513 FZUS51 KCAR 172001 CWFCAR Coastal Waters Forecast for Maine National Weather Service Caribou ME 401 PM EDT Fri Apr 17 2026 ANZ005-180900- 401 PM EDT Fri Apr 17 2026 .Synopsis for Eastport ME to Stonington ME Out 25 NM... High pressure builds over the area into Saturday. A cold front will approach Saturday night, then cross the area Sunday. Canadian high pressure then builds in through Tuesday. An area of low pressure approaches from the west Tuesday night, then moves into the region on Wednesday. $$ ANZ050-180900- Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM- 401 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NE 1 foot at 3 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and E 2 ft at 4 seconds. A chance of rain. Areas of fog after midnight. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds. Patchy fog. Rain in the afternoon. Vsby 1 NM or less. .SUN NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 7 seconds. Patchy fog in the evening. Rain. Vsby 1 NM or less in the evening. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 7 seconds. .MON NIGHT...W winds 10 to 15 kt, becoming N after midnight. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. A chance of rain after midnight. .WED...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 5 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Seas 2 to 4 ft. A chance of rain in the evening. $$ ANZ051-180900- Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM- 401 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with gusts up to 20 kt late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 3 seconds. Patchy fog late with vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds and E 2 ft at 4 seconds. A chance of rain. Patchy fog. Vsby 1 NM or less. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 8 seconds and NE 1 foot at 5 seconds. A chance of rain in the morning, then rain in the afternoon. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and W 3 ft at 4 seconds. Patchy fog in the evening. Rain, mainly in the evening with vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 7 seconds. .MON NIGHT...W winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. A chance of rain after midnight. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. $$ ANZ052-180900- Intra Coastal Waters from Schoodic Point, ME to Stonington, ME- 401 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. Patchy fog late with vsby 1 to 3 NM. .SAT...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 1 foot at 4 seconds. A chance of rain. Areas of fog after midnight. .SUN...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of rain in the morning, then rain in the afternoon. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. Patchy fog in the evening. Rain, mainly in the evening with vsby 1 to 3 NM. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NW 1 foot at 3 seconds. .MON NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Gusts up to 20 kt. Seas 1 to 2 ft. .TUE...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 to 2 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 1 to 2 ft, building to 2 to 4 ft after midnight. A chance of rain after midnight. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of rain. .WED NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. $$ ANZ080-180900- Waters from Eastport ME to Schoodic Point ME from 25 to 60 NM or the Hague Line- 401 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NE 2 ft at 4 seconds. Patchy fog late this evening and overnight. Vsby 1 to 3 NM after midnight. .SAT...NE winds 10 to 15 kt, becoming E 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds. Patchy fog in the morning. Vsby 1 to 3 NM. .SAT NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SE 6 ft at 7 seconds and NE 2 ft at 4 seconds. A chance of rain. Patchy fog after midnight. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 8 seconds and NE 1 foot at 5 seconds. A chance of rain in the morning, then rain in the afternoon. Patchy fog. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at 7 seconds. Rain. .MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and S 3 ft at 7 seconds. .MON NIGHT...W winds 15 to 20 kt, becoming N after midnight. Seas 3 to 4 ft. .TUE...N winds 15 to 20 kt, becoming NW around 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. .WED...S winds 20 to 25 kt, becoming SW 15 to 20 kt in the afternoon. Seas 4 to 6 ft. A chance of rain. .WED NIGHT...W winds around 15 kt, becoming NW after midnight. Seas 3 to 5 ft. A chance of rain in the evening. $$ ANZ081-180900- Waters from Schoodic Point ME to Stonington ME from 25 to 60 NM- 401 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NE 2 ft at 3 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .SAT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: E 3 ft at 4 seconds and S 3 ft at 7 seconds, becoming SE 5 ft at 6 seconds. Patchy fog in the morning. Vsby 1 to 3 NM. .SAT NIGHT...E winds 15 to 20 kt with gusts up to 30 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 7 seconds. A chance of rain. Areas of fog after midnight with vsby 1 NM or less. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 8 seconds and NE 1 foot at 5 seconds. A chance of rain in the morning, then rain in the afternoon. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SE 4 ft at 8 seconds. Rain, mainly in the evening. .MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and S 3 ft at 7 seconds. .MON NIGHT...W winds 15 to 20 kt, becoming N after midnight. Seas 3 to 4 ft. .TUE...N winds 15 to 20 kt, becoming NW around 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft. A chance of rain after midnight. .WED...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 5 ft. A chance of rain. .WED NIGHT...W winds around 15 kt, becoming NW after midnight. Seas 3 to 4 ft. $$  879 FZUS52 KMFL 172001 CWFMFL Coastal Waters Forecast for Florida National Weather Service Miami FL 401 PM EDT Fri Apr 17 2026 Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee out 20 nm and Chokoloskee to Bonita Beach out 60 nm...including the waters of Biscayne Bay and Lake Okeechobee. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. AMZ600-GMZ606-180900- 401 PM EDT Fri Apr 17 2026 .Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for East Cape Sable to Bonita Beach FL out to 60 nm... Moderate winds in the 8-12kt range will prevail across the Atlantic waters through the rest of the weekend, while winds across the Gulf waters will remain gentle. Seas will drop to 2-4 ft in the Atlantic and remain 2 feet or less in the Gulf. Another period of breezy, hazardous conditions could approach by Tuesday next next week with the passage of a cold front. Gulf Stream Hazards: None. The approximate location of the west wall of the Gulf Stream as of Apr 16, 2026. 1 nautical miles north northeast of Fowey Rocks. 7 nautical miles south southeast of Port Everglades. 3 nautical miles east northeast of Lake Worth. 6 nautical miles east southeast of Jupiter Inlet. This data courtesy of the Naval Oceanographic Office. $$ AMZ650-670-180900- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 401 PM EDT Fri Apr 17 2026 .TONIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers early this evening. .SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds. Intracoastal waters light chop. .SAT NIGHT...E winds around 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds. Intracoastal waters light chop. .SUN...S winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 3 seconds, becoming N 1 foot at 3 seconds and SE 1 foot at 3 seconds. Intracoastal waters light chop. .SUN NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: N 1 foot at 3 seconds and SE 1 foot at 3 seconds. Intracoastal waters light chop. .MON...NW winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 4 ft at 4 seconds. Intracoastal waters a moderate chop. A chance of showers. A chance of tstms in the afternoon. .MON NIGHT...NE winds 25 to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft, building to 8 to 11 ft, occasionally to 14 ft after midnight. Intracoastal waters very rough in exposed areas. A chance of tstms in the evening. A chance of showers. .TUE...NE winds 25 to 30 kt. Seas 9 to 12 ft, occasionally to 15 ft. Intracoastal waters very rough in exposed areas. A chance of showers in the morning. .TUE NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft, occasionally to 13 ft. Intracoastal waters rough in exposed areas. .WED...E winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft, occasionally to 10 ft, subsiding to 4 to 6 ft, occasionally to 8 ft in the afternoon. Intracoastal waters rough in exposed areas. .WED NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Intracoastal waters choppy in exposed areas. Winds and seas higher in and near tstms. $$ AMZ651-671-180900- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 401 PM EDT Fri Apr 17 2026 .TONIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds. Intracoastal waters a moderate chop. .SAT...E winds around 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: E 2 ft at 4 seconds, becoming E 1 foot at 3 seconds. Intracoastal waters light chop. .SAT NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. Intracoastal waters a moderate chop. .SUN...SE winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 3 seconds. Intracoastal waters light chop. .SUN NIGHT...SE winds around 5 kt. Seas less than 2 ft or less. Wave Detail: E 1 foot at 3 seconds. Intracoastal waters smooth. .MON...N winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas less than 2 ft or less, then around 2 ft in the afternoon. Wave Detail: NE 1 foot at 3 seconds, becoming N 2 ft at 3 seconds. Intracoastal waters light chop. A chance of showers and tstms in the afternoon. .MON NIGHT...NE winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft, building to 6 to 9 ft, occasionally to 11 ft after midnight. Intracoastal waters very rough in exposed areas. A chance of showers and tstms. .TUE...NE winds 25 to 30 kt. Seas 8 to 11 ft, occasionally to 14 ft. Intracoastal waters very rough in exposed areas. A chance of showers in the morning. .TUE NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft, occasionally to 13 ft. Intracoastal waters rough in exposed areas. .WED...E winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft, occasionally to 10 ft. Intracoastal waters rough in exposed areas. .WED NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Intracoastal waters choppy in exposed areas. Winds and seas higher in and near tstms. $$ GMZ656-657-676-180900- Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM- 401 PM EDT Fri Apr 17 2026 .TONIGHT...N winds around 5 kt, becoming E after midnight. Seas less than 2 ft or less. Bay and inland waters smooth. .SAT...E winds 5 to 10 kt, becoming S in the afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. .SAT NIGHT...NW winds around 5 kt, becoming NE around 5 kt after midnight. Seas less than 2 ft or less. Bay and inland waters smooth. .SUN...NE winds around 5 kt, becoming NW in the afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. .SUN NIGHT AND MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 5 seconds. Bay and inland waters light chop. .MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 5 ft at 6 seconds. Bay and inland waters a moderate chop. .TUE...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon, then becoming E 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Bay and inland waters a moderate chop. .WED...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon, then increasing to 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Bay and inland waters a moderate chop. $$ AMZ610-180900- Lake Okeechobee- 401 PM EDT Fri Apr 17 2026 .TONIGHT...SE winds 5 to 10 kt. Lake waters light chop. .SAT...SE winds around 5 kt, becoming NE in the afternoon. Lake waters smooth. .SAT NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Lake waters light chop. .SUN...SW winds around 5 kt. Lake waters smooth. .SUN NIGHT...S winds around 5 kt, becoming NW after midnight. Lake waters light chop. .MON...N winds 10 to 15 kt, becoming NE 15 to 20 kt with gusts up to 25 kt in the afternoon. Lake waters choppy. A chance of showers and tstms in the afternoon. .MON NIGHT...NE winds 20 to 25 kt. Lake waters rough. A chance of showers and tstms in the evening. .TUE...NE winds 15 to 20 kt. Lake waters choppy. .TUE THROUGH WED...E winds 15 to 20 kt. Lake waters choppy. Winds and waves higher in and near tstms. $$ AMZ630-180900- Biscayne Bay- 401 PM EDT Fri Apr 17 2026 .TONIGHT...E winds 5 to 10 kt. Light chop. .SAT...E winds 5 to 10 kt. Light chop. .SAT NIGHT...E winds 5 to 10 kt. Light chop. .SUN...SE winds around 5 kt. Smooth. .SUN NIGHT...S winds around 5 kt. Smooth. .MON AND MON NIGHT...NE winds 20 to 25 kt. Rough. A chance of showers and tstms. .TUE...NE winds 20 to 25 kt. Rough. A chance of showers in the morning. .TUE THROUGH WED...E winds 20 to 25 kt. Rough. Winds and waves higher in and near tstms. $$  381 FZUS54 KMOB 172002 CWFMOB Coastal Waters Forecast National Weather Service Mobile AL 302 PM CDT Fri Apr 17 2026 Gulf Coastal Waters Okaloosa Walton County Line To Pascagoula Out 60 NM Seas are given as significant wave height...which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. GMZ600-180900- 302 PM CDT Fri Apr 17 2026 .SYNOPSIS... Light onshore continues through Saturday evening then shifts westerly by late Saturday night as a strong cold front approaches from the northwest. Moderate to strong offshore will occur Sunday into Monday in the wake of the front, followed by a light to moderate easterly to southeasterly flow into midweek. $$ GMZ630-180900- Northern Mobile Bay- 302 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 5 to 10 knots. Waves 1 foot or less. Light chop. .SATURDAY...Southwest winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Waves 1 foot or less. A moderate chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots after midnight. Waves 1 foot or less. A moderate chop. A chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves around 2 feet. Rough. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...North winds 15 to 20 knots. Waves around 2 feet. Choppy. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming east 5 to 10 knots in the afternoon. Waves 1 foot or less. A moderate chop. .MONDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. Light chop. .TUESDAY...East winds around 10 knots, becoming southeast in the afternoon. Waves 1 foot or less. A moderate chop. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Waves 1 foot or less. Light chop. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Waves 1 foot or less. A moderate chop. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Waves 1 foot or less. A moderate chop. Winds and waves higher in and near thunderstorms. $$ GMZ631-632-180900- Southern Mobile Bay-Mississippi Sound- 302 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 5 to 10 knots. Waves 1 foot or less. Light chop. .SATURDAY...South winds 5 to 10 knots. Waves 1 foot or less. Light chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots after midnight. Waves 1 foot or less. A moderate chop. A chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves around 2 feet. Rough. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Waves around 2 feet. Choppy. .MONDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Waves around 2 feet. Choppy. .MONDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. Light chop. .TUESDAY...East winds 10 to 15 knots. Waves 1 foot or less. A moderate chop. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less. Light chop. .WEDNESDAY...Southeast winds 10 to 15 knots. Waves 1 foot or less, then around 2 feet in the afternoon. A moderate chop. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less. Light chop. Winds and waves higher in and near thunderstorms. $$ GMZ633-634-180900- Perdido Bay-Pensacola Bay System- 302 PM CDT Fri Apr 17 2026 .TONIGHT...Southwest winds 5 to 10 knots, diminishing to around 5 knots late. Waves 1 foot or less. Light chop. .SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. Light chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Waves 1 foot or less. Light chop. A slight chance of showers and thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots. Waves 1 foot or less. Choppy. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...North winds 15 to 20 knots. Waves 1 foot or less. Choppy. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Waves 1 foot or less. A moderate chop. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or less. Light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Waves 1 foot or less. Light chop. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Waves 1 foot or less. Light chop. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Waves 1 foot or less. A moderate chop. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southeast after midnight. Waves 1 foot or less. Light chop. Winds and waves higher in and near thunderstorms. $$ GMZ635-636-180900- Western Choctawhatchee Bay-Eastern Choctawhatchee Bay- 302 PM CDT Fri Apr 17 2026 .TONIGHT...Southwest winds 5 to 10 knots, diminishing to around 5 knots late this evening and overnight. Waves 1 foot or less. Light chop. .SATURDAY...Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Waves 1 foot or less. Light chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. Light chop. .SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots. Waves 1 foot or less. A moderate chop. A chance of showers in the morning. .SUNDAY NIGHT...North winds around 15 knots with gusts up to 20 knots. Waves 1 foot or less. A moderate chop. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Waves 1 foot or less. A moderate chop. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or less. Light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Waves 1 foot or less. Light chop. .TUESDAY NIGHT...Southwest winds around 5 knots, becoming northeast after midnight. Waves 1 foot or less. Smooth. .WEDNESDAY...East winds 5 to 10 knots, becoming south in the afternoon. Waves 1 foot or less. Light chop. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Waves 1 foot or less. Light chop. $$ GMZ650-655-180900- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM- 302 PM CDT Fri Apr 17 2026 .TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots with gusts up to 30 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 3 seconds and southeast 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 4 seconds. .MONDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. .MONDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Winds and seas higher in and near thunderstorms. $$ GMZ670-675-180900- Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 302 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds. .MONDAY...Northeast winds 20 to 25 knots, becoming east 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. .TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. Winds and seas higher in and near thunderstorms. $$  809 FZUS51 KPHI 172004 CWFPHI Coastal Waters Forecast for New Jersey and Delaware National Weather Service Mount Holly NJ 402 PM EDT Fri Apr 17 2026 Sandy Hook NJ to Fenwick Island DE to 60 NM offshore and Delaware Bay ANZ400-180900- 402 PM EDT Fri Apr 17 2026 .SYNOPSIS FOR THE COASTAL WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE AND FOR DELAWARE BAY... High pressure will nose its way into the Mid Atlantic from the north on Saturday. A strong cold front will move across the area Saturday night into Sunday. High pressure will move into the area Monday into Tuesday. Another cold front will move across the area Tuesday night into Wednesday, followed by high pressure again later in the week. $$ ANZ450-180900- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers early this evening. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds. A chance of showers after midnight. .SUN...SW winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and NW 2 ft at 3 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NW 2 ft at 4 seconds. Showers in the evening. .MON...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at 4 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. $$ ANZ451-180900- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers early this evening. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds. .SUN...SW winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 5 seconds and NW 2 ft at 3 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and NW 2 ft at 3 seconds. Showers in the evening. .MON...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 7 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas around 3 ft. .TUE...N winds 10 to 15 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SW winds around 10 kt, becoming N after midnight. Seas around 3 ft. $$ ANZ452-180900- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A slight chance of showers early this evening. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. .SUN...SW winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 3 seconds and S 3 ft at 5 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and NW 2 ft at 4 seconds. Showers in the evening. .MON...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SW winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. $$ ANZ453-180900- Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...NW winds around 5 kt, becoming NE late this evening and overnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A slight chance of showers early this evening. .SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. .SUN...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 3 ft at 6 seconds and NW 2 ft at 3 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 7 seconds. Showers in the evening. .MON...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and E 2 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt, diminishing to around 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. $$ ANZ454-180900- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...W winds around 5 kt, becoming NE late this evening and early morning, then becoming around 10 kt late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. .SUN...W winds 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 6 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 7 seconds. Showers in the evening. .MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...N winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. $$ ANZ455-180900- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...SW winds around 5 kt, becoming NW late this evening, then becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...E winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds. .SUN...W winds 15 to 20 kt, becoming NW in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 6 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 7 seconds. Showers in the evening. .MON...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and NW 2 ft at 4 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. $$ ANZ431-180900- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 402 PM EDT Fri Apr 17 2026 .TONIGHT...NW winds around 5 kt, becoming NE late this evening and overnight. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and SE 1 foot at 7 seconds. .SAT...E winds around 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 4 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds. A chance of showers after midnight. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 3 seconds and SE 2 ft at 5 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 7 seconds, becoming NW 1 foot at 4 seconds and SE 1 foot at 7 seconds. Showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot at 7 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas around 2 ft. .TUE...N winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas around 2 ft. .WED...SW winds 10 to 15 kt. Seas around 2 ft. .WED NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. $$ ANZ430-180900- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 402 PM EDT Fri Apr 17 2026 .TONIGHT...N winds around 5 kt, becoming E after midnight. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and SE 1 foot at 6 seconds. .SAT...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 4 seconds. .SAT NIGHT...SE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 to 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 3 seconds, becoming SE 1 foot at 3 seconds. A chance of showers after midnight. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at 5 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 1 to 2 ft in the evening, then 1 foot or less. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at 6 seconds, becoming NW 1 foot at 3 seconds. Showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 3 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas 1 to 2 ft. .TUE...N winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .TUE NIGHT...S winds 10 to 15 kt. Seas 1 to 2 ft. .WED...SW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 1 foot or less. .WED NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. $$ ANZ485-180900- Waters from Cape May NJ to Fenwick Island DE from 20 to 60 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...SW winds around 5 kt, becoming N late this evening, then becoming NE after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...E winds around 10 kt. Seas around 3 ft. Wave Detail: E 2 ft at 7 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 5 seconds. .SUN...SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SE 4 ft at 7 seconds. A chance of showers in the morning, then showers likely in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: NW 4 ft at 5 seconds and SE 2 ft at 8 seconds, becoming NE 3 ft at 8 seconds and NW 2 ft at 4 seconds. Showers likely, mainly in the evening. .MON...NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and NE 3 ft at 8 seconds. .MON NIGHT...NW winds around 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 4 ft. $$ ANZ483-180900- Waters from Great Egg Inlet NJ to Cape May NJ from 20 to 60 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...SW winds around 5 kt, becoming NE late this evening and overnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 6 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 6 seconds. .SUN...SW winds 15 to 20 kt, becoming NW in the afternoon. Seas 4 to 6 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers in the morning, then showers in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 5 seconds and E 3 ft at 8 seconds. Showers, mainly in the evening. .MON...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and W 2 ft at 4 seconds. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 4 ft. $$ ANZ482-180900- Waters from Little Egg Inlet NJ to Great Egg Inlet NJ from 20 to 60 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A slight chance of showers early this evening. .SAT...NE winds around 10 kt. Seas around 3 ft. Wave Detail: NE 3 ft at 6 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds. .SUN...SW winds 15 to 20 kt, becoming NW in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 4 ft at 6 seconds, becoming S 4 ft at 7 seconds and W 3 ft at 4 seconds. A chance of showers in the morning, then showers in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 5 seconds and E 3 ft at 8 seconds. Showers, mainly in the evening. .MON...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and W 2 ft at 4 seconds. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming N after midnight. Seas 3 to 4 ft. $$ ANZ481-180900- Waters from Manasquan Inlet NJ to Little Egg Inlet NJ from 20 to 60 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...N winds 5 to 10 kt, becoming NE late this evening and overnight. Seas 3 to 4 ft. A slight chance of showers early this evening. .SAT...NE winds 5 to 10 kt. Seas around 3 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas around 3 ft. .SUN...SW winds 15 to 20 kt, becoming NW in the afternoon. Seas 3 to 5 ft. Showers. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Showers in the evening. .MON...NW winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 5 ft. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming N after midnight. Seas 3 to 4 ft. $$ ANZ480-180900- Waters from Sandy Hook NJ to Manasquan Inlet NJ from 20 to 40 NM- 402 PM EDT Fri Apr 17 2026 .TONIGHT...N winds 5 to 10 kt, becoming NE late this evening and overnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers early this evening. .SAT...E winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 2 ft at 6 seconds. A chance of showers after midnight. .SUN...SW winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 3 ft at 6 seconds and NW 2 ft at 3 seconds. Showers. .SUN NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 7 seconds and NW 2 ft at 4 seconds. Showers in the evening. .MON...NW winds around 10 kt. Seas around 3 ft. Wave Detail: NW 2 ft at 4 seconds and E 2 ft at 7 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft, building to 4 to 5 ft after midnight. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...W winds around 10 kt, becoming N after midnight. Seas 3 to 4 ft. $$  010 FZUS51 KBOX 172005 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Fri Apr 17 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-180900- 404 PM EDT Fri Apr 17 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Showers linger through this evening. NE winds through Sat on the backside of a low. A strong cold front then moves over the waters on Sun. $$ ANZ250-180900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less after midnight. .SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and N 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and N 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .SUN...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and SW 2 ft at 4 seconds. Patchy fog. Showers likely in the morning, then rain with snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and W 3 ft at 4 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-180900- Massachusetts Bay and Ipswich Bay- 404 PM EDT Fri Apr 17 2026 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM after midnight. .SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .SUN...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 4 ft at 8 seconds and S 4 ft at 12 seconds. Patchy fog. Rain. Snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and W 2 ft at 3 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and NW 2 ft at 3 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-180900- Cape Cod Bay- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 8 seconds, becoming N 1 foot at 3 seconds and SE 1 foot at 8 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 8 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 NM. .SUN...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and S 1 foot at 6 seconds. Patchy fog. Showers likely in the morning, then rain and snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and S 1 foot at 5 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and S 1 foot at 6 seconds. .TUE THROUGH WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-180900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and S 3 ft at 7 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at 8 seconds and S 2 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 8 seconds and SW 3 ft at 5 seconds. Patchy fog. Showers likely in the morning, then rain and snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 8 seconds and NW 3 ft at 4 seconds. Rain and snow likely in the evening, then a chance of rain after midnight. Patchy fog in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and SE 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-180900- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and N 2 ft at 3 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 2 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 4 seconds and E 4 ft at 8 seconds. Patchy fog. Showers likely in the morning, then rain likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 6 seconds and E 3 ft at 8 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON...W winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 7 seconds. .MON NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 2 to 4 ft. .TUE...N winds 15 to 20 kt. Seas 2 to 4 ft. .TUE NIGHT AND WED...SW winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-180900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at 7 seconds. with patchy fog. .SUN...S winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and E 3 ft at 8 seconds. Patchy fog. Showers likely in the morning, then rain and snow likely in the afternoon. Vsby 1 NM or less in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 4 seconds and SE 3 ft at 7 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 4 seconds and S 2 ft at 6 seconds. .TUE...N winds 15 to 20 kt. Seas 2 to 3 ft. .TUE NIGHT THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-180900- Nantucket Sound- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and S 1 foot at 7 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 NM. .SUN...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog. Showers likely in the morning, then rain and snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 6 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-180900- Vineyard Sound- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM. .SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SW 2 ft at 7 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and S 1 foot at 6 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .SUN...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog. Showers likely in the morning, then rain and snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 8 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 8 seconds. .TUE...NE winds 10 to 15 kt. Seas around 2 ft. .TUE NIGHT THROUGH WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-180900- Buzzards Bay- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and N 1 foot at 3 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM after midnight. .SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and S 1 foot at 6 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .SUN...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 5 seconds. Patchy fog. Showers likely in the morning, then rain with snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 1 foot at 7 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-180900- Rhode Island Sound- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NE 1 foot at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM. .SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog. .SUN...S winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and W 2 ft at 3 seconds. Patchy fog. A chance of rain in the morning, then rain with snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 7 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-180900- Block Island Sound- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and N 1 foot at 5 seconds. Patchy fog. A slight chance of rain and tstms this evening. Vsby 1 to 3 NM. .SAT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NE 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at 7 seconds. with patchy fog. .SUN...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog. A chance of rain in the morning, then rain with snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-180900- Boston Harbor- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A slight chance of showers. Vsby 1 to 3 NM after midnight. .SAT...NE winds 10 to 15 kt. Waves around 2 ft. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Waves 1 foot or less. A chance of with patchy fog. A chance of. Vsby 1 to 3 NM. .SUN...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. Patchy fog. Rain. Snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Waves around 2 ft. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt. Waves around 2 ft. .TUE THROUGH WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-180900- Narragansett Bay- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 to 3 NM after midnight. .SAT...NE winds around 10 kt. Waves around 2 ft. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Waves around 2 ft. with patchy fog. .SUN...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog. Rain. Snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. Patchy fog in the evening. Rain and snow likely in the evening. .MON AND MON NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .TUE THROUGH WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-180900- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and N 2 ft at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less after midnight. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...E winds 10 to 15 kt, becoming S around 5 kt after midnight. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds and SW 1 foot at 3 seconds. Patchy fog. Showers likely in the morning, then rain and snow likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SE 4 ft at 7 seconds. Rain and snow likely in the evening, then a chance of rain after midnight. Patchy fog in the evening. .MON AND MON NIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 5 seconds and SE 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-180900- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: S 4 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 6 seconds and S 3 ft at 7 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...NE winds 5 to 10 kt, becoming S after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds and S 2 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds and S 4 ft at 6 seconds. Patchy fog. Showers likely in the morning. Rain likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 5 seconds and S 4 ft at 6 seconds. Rain and snow likely in the evening, then a chance of rain after midnight. Patchy fog in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 5 seconds and S 3 ft at 7 seconds. .TUE AND TUE NIGHT...N winds 10 to 15 kt, becoming SW 15 to 20 kt. Seas 2 to 4 ft. .WED AND WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-180900- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and S 3 ft at 7 seconds. Patchy fog. Vsby 1 NM or less in the morning. .SAT NIGHT...NE winds 5 to 10 kt, becoming S after midnight. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 8 seconds and S 2 ft at 7 seconds. Patchy fog. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 8 seconds and SW 4 ft at 5 seconds. Patchy fog in the morning. Rain likely in the afternoon. Vsby 1 to 3 NM in the morning. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 5 ft at 6 seconds and E 3 ft at 8 seconds. Rain likely, mainly in the evening. Patchy fog in the evening. .MON AND MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at 7 seconds and SW 3 ft at 7 seconds. .TUE AND TUE NIGHT...N winds 15 to 20 kt, becoming SW 10 to 15 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-180900- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 404 PM EDT Fri Apr 17 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and N 2 ft at 5 seconds. Patchy fog. A slight chance of showers. A slight chance of tstms this evening. Vsby 1 NM or less. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 7 seconds. with patchy fog. .SUN...S winds 15 to 20 kt, becoming W in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: SE 4 ft at 7 seconds, becoming SW 4 ft at 5 seconds and E 3 ft at 8 seconds. Patchy fog. Rain likely in the afternoon. Vsby 1 NM or less in the morning. .SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 5 seconds and S 3 ft at 6 seconds. Patchy fog in the evening. Rain likely in the evening. .MON...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 5 seconds and S 3 ft at 7 seconds. .MON NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 3 to 4 ft. .TUE...N winds 15 to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston  710 FZUS54 KLCH 172009 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 309 PM CDT Fri Apr 17 2026 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ400-180900- 309 PM CDT Fri Apr 17 2026 .Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays... Steady onshore flow will prevail today through Saturday afternoon with seas ranging from 1-3 feet. A cold front will push through the coastal waters Saturday evening into Sunday morning accompanied by showers and thunderstorms. Severe storms are not expected and precipitation should come to an end by late Sunday morning. Strong, gusty winds of 25-30 knots with gusts to 35 knots will develop behind the frontal passage late Saturday night into early Sunday. These will increase seas to between 4-8 feet Sunday. A Gale Warning may be needed Sunday, but at a minimum, a small craft advisory will be in effect Sunday and Sunday night. Winds will weaken Monday afternoon before turning back onshore Monday night where they will remain through the rest of next week. A few weak upper level disturbances moving across the area will provide support for scattered showers and thunderstorms over the coastal waters each day Tuesday through the end of the week. $$ GMZ430-180900- Sabine Lake- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .SATURDAY...South winds around 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Northwest winds 10 to 15 knots, becoming north 20 to 25 knots after midnight. Lake waters very rough. Showers with a chance of thunderstorms. .SUNDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots in the afternoon. Lake waters very rough. A slight chance of showers in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .MONDAY...East winds 10 to 15 knots. Lake waters choppy. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ432-180900- Calcasieu Lake- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .SATURDAY...South winds around 10 knots. Lake waters light chop. .SATURDAY NIGHT...West winds 10 to 15 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Lake waters very rough. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Lake waters very rough. A slight chance of showers in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .MONDAY...East winds 10 to 15 knots. Lake waters choppy. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of showers. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ435-180900- Vermilion and West Cote Blanche Bays- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots. Bay waters choppy. .SATURDAY...South winds around 10 knots. Bay waters light chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming north 20 to 25 knots after midnight. Bay waters very rough. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Bay waters very rough. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .MONDAY...East winds 10 to 15 knots. Bay waters choppy. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay waters choppy. .TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay waters choppy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ436-180900- Atchafalaya and East Cote Blanche Bays- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 5 to 10 knots. Bay waters light chop. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Bay waters rough. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .MONDAY...East winds 10 to 15 knots. Bay waters choppy. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay waters choppy. .TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay waters choppy. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay waters choppy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ450-180900- Coastal waters from Cameron LA to High Island TX out 20 NM- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 15 to 20 knots. Seas around 3 feet. Wave Detail: South 3 feet at 4 seconds. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .SATURDAY NIGHT...West winds 10 to 15 knots, becoming north 25 to 30 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 4 feet at 4 seconds and south 2 feet at 5 seconds. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds and south 1 foot at 5 seconds. A chance of showers in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds. .MONDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers after midnight. .TUESDAY...Southeast winds around 15 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-180900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming north 25 to 30 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .SUNDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 4 seconds and south 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .MONDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers. .TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-180900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .SATURDAY NIGHT...Southwest winds around 5 knots, becoming north 15 to 20 knots with gusts up to 25 knots after midnight. Seas 1 to 2 feet. Wave Detail: West 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .MONDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ470-180900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds around 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming north 25 to 30 knots after midnight. Seas around 2 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave Detail: South 2 feet at 5 seconds, becoming north 4 feet at 4 seconds and south 2 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .SUNDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 6 seconds and south 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds around 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A slight chance of showers in the afternoon. .MONDAY NIGHT...East winds around 15 knots with gusts up to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers. .TUESDAY...Southeast winds around 15 knots. Seas 3 to 4 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. A slight chance of thunderstorms in the evening. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ472-180900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds. .SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 6 seconds and south 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds around 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds and south 1 foot at 6 seconds. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. .MONDAY NIGHT...East winds around 15 knots with gusts up to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers after midnight. .TUESDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers. .TUESDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-180900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 309 PM CDT Fri Apr 17 2026 .TONIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest 15 to 20 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 5 seconds and southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 6 seconds and southeast 1 foot at 6 seconds. .MONDAY...East winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 6 seconds. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers in the afternoon. .TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$  738 FZUS56 KSGX 172016 CWFSGX Coastal Waters Forecast for California National Weather Service San Diego CA 116 PM PDT Fri Apr 17 2026 San Mateo Point to the Mexican border out 60 nm PZZ700-181000- 116 PM PDT Fri Apr 17 2026 .Synopsis for the far Southern CA coast... At 1 PM, a 1024 mb high was over the Great Salt Lake and another 1024 mb high was 500 nautical miles west of Monterey. A 1006 mb low covered southeast Arizona. Onshore flow will become brisk this afternoon and evening. Relatively neutral flow will bring light and variable winds tonight into Saturday, with onshore flow returning later Saturday. Onshore flow will prevail Sunday through Wednesday, increasing for Tuesday night and Wednesday. $$ PZZ740-181000- Coastal Waters from San Mateo Point to the Mexican Border and out to 10 nm- 116 PM PDT Fri Apr 17 2026 .TONIGHT...Wind W 10 kt this evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, W 3 ft at 8 seconds and S 2 ft at 16 seconds. .SAT...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 15 seconds. .SAT NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 15 seconds. .SUN...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds. .SUN NIGHT...Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds. .MON...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and SW 2 ft at 14 seconds. .MON NIGHT...Wind NW 10 kt in the evening...becoming variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and SW 2 ft at 13 seconds. .TUE...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and SW 2 ft at 13 seconds. A slight chance of showers in the afternoon. .TUE NIGHT...Wind W 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 14 seconds. .WED...Wind NW 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 2 ft at 4 seconds, W 4 ft at 9 seconds and S 2 ft at 15 seconds. .WED NIGHT...Wind NW 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 2 ft at 4 seconds, W 4 ft at 9 seconds and S 2 ft at 14 seconds. $$ PZZ745-181000- Waters from San Mateo Point to the Mexican Border Extending 10 to 60 nm out including San Clemente Island- 116 PM PDT Fri Apr 17 2026 .TONIGHT...Wind NW 10 to 15 kt this evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at 4 seconds, NW 3 ft at 10 seconds and S 2 ft at 16 seconds. .SAT...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 2 ft at 4 seconds, W 3 ft at 7 seconds and S 2 ft at 15 seconds. .SAT NIGHT...Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 15 seconds. .SUN...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: W 1 foot at 4 seconds, W 2 ft at 7 seconds and S 2 ft at 14 seconds. .SUN NIGHT...Wind W 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds. .MON...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: NW 2 ft at 5 seconds and S 2 ft at 14 seconds. .MON NIGHT...Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds. .TUE...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 14 seconds. A slight chance of showers in the morning. .TUE NIGHT...Wind NW 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft at 4 seconds, W 3 ft at 8 seconds and S 2 ft at 15 seconds. .WED...Wind NW 10 to 15 kt. Seas 5 ft. Wave Detail: NW 2 ft at 4 seconds, NW 4 ft at 9 seconds and S 2 ft at 15 seconds. .WED NIGHT...Wind NW 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 3 ft at 5 seconds, W 4 ft at 9 seconds and S 2 ft at 15 seconds. $$  776 FZUS56 KPQR 172025 CWFPQR Coastal Waters Forecast National Weather Service Portland OR 125 PM PDT Fri Apr 17 2026 Coastal waters from Cape Shoalwater Washington to Florence Oregon and westward 60 NM PZZ200-181045- 125 PM PDT Fri Apr 17 2026 .SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST... Light northerly winds into tonight turn southerly ahead of a weakening front on Saturday while seas of 2 to 4 ft today will build to 4 to 6 feet on Sunday. An area of low pressure offshore will finally move inland by midweek, resulting in onshore flow, chances for showers, and potentially wind gusts hazardous to small craft Tuesday night into Wednesday. $$ PZZ251-181045- Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 NM- 125 PM PDT Fri Apr 17 2026 .THIS AFTERNOON...N wind around 5 kt, rising to 5 to 10 kt late. Seas around 4 ft. Wave Detail: N 2 ft at 4 seconds and NW 4 ft at 9 seconds. .TONIGHT...N wind 5 to 10 kt, veering to E after midnight. Seas 3 to 4 ft. Wave Detail: N 2 ft at 4 seconds and NW 4 ft at 8 seconds. .SAT...SE wind 5 to 10 kt, veering to S in the afternoon. Seas around 3 ft. Wave Detail: NW 3 ft at 8 seconds. .SAT NIGHT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 2 ft at 4 seconds, NW 2 ft at 8 seconds and SW 4 ft at 9 seconds. A chance of rain after midnight. .SUN...E wind around 5 kt, veering to S in the afternoon. Seas around 4 ft. Wave Detail: SW 4 ft at 8 seconds. A chance of rain in the morning. .SUN NIGHT...S wind around 5 kt, backing to N around 5 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 13 seconds. .MON...NE wind around 5 kt, veering to SW in the afternoon. Seas 5 to 6 ft. Wave Detail: SW 2 ft at 4 seconds, SW 4 ft at 8 seconds and W 5 ft at 12 seconds. .MON NIGHT...SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 4 ft at 10 seconds. A chance of rain. .TUE...SW wind 5 to 10 kt. Seas around 5 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 4 ft at 10 seconds. A chance of rain. .TUE NIGHT...SW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 3 ft at 4 seconds, SW 3 ft at 7 seconds and W 6 ft at 15 seconds. A chance of rain. $$ PZZ252-181045- Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM- 125 PM PDT Fri Apr 17 2026 .THIS AFTERNOON...N wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 4 to 5 ft. Wave Detail: N 2 ft at 4 seconds and NW 4 ft at 9 seconds. .TONIGHT...N wind 10 to 15 kt, becoming E around 5 kt after midnight. Seas 4 to 5 ft, subsiding to 3 ft after midnight. Wave Detail: N 2 ft at 4 seconds and NW 4 ft at 8 seconds. .SAT...S wind 5 to 10 kt. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and NW 3 ft at 8 seconds. .SAT NIGHT...S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 4 seconds, NW 2 ft at 8 seconds and SW 4 ft at 9 seconds. A chance of rain after midnight. .SUN...SE wind around 5 kt, veering to S in the afternoon. Seas around 4 ft. Wave Detail: SW 4 ft at 8 seconds. A chance of rain in the morning. .SUN NIGHT...E wind around 5 kt, backing to N after midnight. Seas around 4 ft, building to 5 to 6 ft after midnight. Wave Detail: SW 4 ft at 8 seconds and W 6 ft at 14 seconds. .MON...SE wind around 5 kt, veering to SW in the afternoon. Seas 6 to 7 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 6 ft at 12 seconds. A chance of rain. .MON NIGHT...SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 4 ft at 10 seconds. A chance of rain in the evening, then rain likely after midnight. .TUE...SW wind 5 to 10 kt. Seas around 5 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 7 seconds and W 4 ft at 10 seconds. Rain likely. .TUE NIGHT...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW 2 ft at 4 seconds, SW 2 ft at 7 seconds and NW 5 ft at 15 seconds. A chance of rain in the evening, then rain likely after midnight. $$ PZZ253-181045- Coastal waters from Cape Foulweather to Florence OR out 10 NM- 125 PM PDT Fri Apr 17 2026 .THIS AFTERNOON...N wind 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at 5 seconds and NW 5 ft at 9 seconds. .TONIGHT...N wind 10 to 15 kt with gusts up to 20 kt, becoming E around 5 kt after midnight. Seas 4 to 5 ft, subsiding to 3 ft after midnight. Wave Detail: N 3 ft at 5 seconds and NW 4 ft at 9 seconds. .SAT...SE wind around 5 kt, veering to SW in the afternoon. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and NW 3 ft at 8 seconds. .SAT NIGHT...S wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 4 seconds, SW 4 ft at 8 seconds and NW 2 ft at 8 seconds. .SUN...SE wind around 5 kt, veering to S around 5 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 9 seconds. A chance of rain. .SUN NIGHT...SE wind around 5 kt, backing to NE after midnight. Seas around 4 ft, building to 5 to 6 ft after midnight. Wave Detail: SW 4 ft at 8 seconds and W 6 ft at 14 seconds. A chance of rain. .MON...S wind around 5 kt, veering to SW around 5 kt in the afternoon. Seas 6 to 7 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 6 ft at 13 seconds. A chance of rain. .MON NIGHT...SW wind 5 to 10 kt, becoming S after midnight. Seas 4 to 6 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 7 seconds and W 5 ft at 10 seconds. Rain likely. .TUE...S wind around 5 kt, veering to W in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 7 seconds and W 4 ft at 10 seconds. Rain likely. .TUE NIGHT...W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 2 ft at 4 seconds and NW 5 ft at 15 seconds. A chance of rain in the evening, then rain likely after midnight. $$ PZZ271-181045- Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM- 125 PM PDT Fri Apr 17 2026 .THIS AFTERNOON...NE wind around 5 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 9 seconds. .TONIGHT...NE wind 5 to 10 kt, veering to E after midnight. Seas 3 to 4 ft. Wave Detail: NE 2 ft at 4 seconds and NW 4 ft at 8 seconds. .SAT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 4 seconds, S 5 ft at 8 seconds and NW 2 ft at 8 seconds. A slight chance of rain in the afternoon. .SAT NIGHT...S wind 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: S 3 ft at 4 seconds and S 6 ft at 8 seconds. A chance of rain. .SUN...SE wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: SE 2 ft at 4 seconds, SW 6 ft at 8 seconds and W 2 ft at 12 seconds. A chance of rain in the morning. .SUN NIGHT...S wind around 5 kt, backing to N after midnight. Seas 5 to 7 ft. Wave Detail: N 2 ft at 4 seconds, SW 5 ft at 13 seconds and W 4 ft at 13 seconds. .MON...N wind 5 to 10 kt, backing to SW in the afternoon. Seas around 6 ft. Wave Detail: N 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 5 ft at 12 seconds. .MON NIGHT...SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 4 ft at 10 seconds. A chance of rain after midnight. .TUE...W wind around 10 kt. Seas 5 to 6 ft. Wave Detail: W 3 ft at 4 seconds, SW 3 ft at 8 seconds and W 4 ft at 10 seconds. A chance of rain. .TUE NIGHT...W wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: SW 4 ft at 6 seconds and NW 7 ft at 15 seconds. A chance of rain. $$ PZZ272-181045- Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM- 125 PM PDT Fri Apr 17 2026 .THIS AFTERNOON...NE wind 5 to 10 kt, becoming N 10 to 15 kt late. Seas around 4 ft. Wave Detail: NE 2 ft at 4 seconds and NW 4 ft at 9 seconds. .TONIGHT...NE wind 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: NE 2 ft at 4 seconds and NW 4 ft at 8 seconds. .SAT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 2 ft at 4 seconds, S 4 ft at 8 seconds and NW 2 ft at 8 seconds. A slight chance of rain in the afternoon. .SAT NIGHT...S wind 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: S 3 ft at 4 seconds, SW 6 ft at 7 seconds and NW 2 ft at 8 seconds. A chance of rain. .SUN...SE wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: SE 2 ft at 4 seconds and SW 6 ft at 8 seconds. A chance of rain. .SUN NIGHT...SE wind 5 to 10 kt, backing to NE after midnight. Seas 5 to 7 ft. Wave Detail: SE 2 ft at 4 seconds and W 6 ft at 14 seconds. A chance of rain after midnight. .MON...N wind around 5 kt, backing to SW in the afternoon. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 6 ft at 12 seconds. A chance of rain. .MON NIGHT...SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 8 seconds and W 5 ft at 10 seconds. A chance of rain. .TUE...W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 2 ft at 4 seconds, SW 3 ft at 7 seconds and W 4 ft at 10 seconds. Rain likely, mainly in the morning. .TUE NIGHT...W wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: W 3 ft at 4 seconds, SW 2 ft at 7 seconds and NW 6 ft at 15 seconds. A chance of rain. $$ PZZ273-181045- Waters from Cape Foulweather to Florence OR from 10 to 60 NM- 125 PM PDT Fri Apr 17 2026 .THIS AFTERNOON...NE wind 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 3 ft at 4 seconds and NW 5 ft at 9 seconds. .TONIGHT...N wind 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 4 to 5 ft, subsiding to 3 ft after midnight. Wave Detail: N 3 ft at 4 seconds and NW 4 ft at 8 seconds. .SAT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 2 ft at 4 seconds, SW 4 ft at 8 seconds and NW 2 ft at 8 seconds. A slight chance of rain in the afternoon. .SAT NIGHT...S wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 3 ft at 4 seconds, SW 5 ft at 8 seconds and NW 2 ft at 8 seconds. A chance of rain. .SUN...S wind 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 3 ft at 4 seconds and SW 6 ft at 8 seconds. A chance of rain. .SUN NIGHT...SE wind 5 to 10 kt, becoming E after midnight. Seas 5 to 7 ft. Wave Detail: SE 2 ft at 4 seconds and W 6 ft at 14 seconds. A chance of rain. .MON...SW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: SW 2 ft at 4 seconds, SW 3 ft at 7 seconds and W 6 ft at 12 seconds. Rain likely. .MON NIGHT...S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at 4 seconds, SW 4 ft at 7 seconds and W 5 ft at 10 seconds. A chance of rain in the evening, then rain likely after midnight. .TUE...W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 2 ft at 4 seconds, SW 3 ft at 7 seconds and W 4 ft at 10 seconds. Rain likely, mainly in the morning. .TUE NIGHT...W wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SW 3 ft at 5 seconds and NW 5 ft at 15 seconds. A chance of rain. $$ PZZ210-181045- Columbia River Bar- 125 PM PDT Fri Apr 17 2026 .IN THE MAIN CHANNEL... .GENERAL SEAS...3 ft through Saturday evening. .FIRST EBB...Ebb current of 4.56 kt at 531 PM Friday. Seas 3 ft. .SECOND EBB...Very strong ebb current of 6.93 kt at 547 AM Saturday. Seas 5 to 7 ft. .THIRD EBB...Ebb current of 4.32 kt at 614 PM Saturday. Seas 3 ft. $$  378 FZUS52 KKEY 172030 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 430 PM EDT Fri Apr 17 2026 Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of America, including The Florida Keys National Marine Sanctuary Seas are given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Wave Detail will include details about the period and direction of origin for the highest energy waves. Long-period swells coming from a different direction than the wind would be included in the Wave Detail. GMZ005-180830- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 430 PM EDT Fri Apr 17 2026 .SYNOPSIS...High pressure over the central North Atlantic will allow breezes to lull during the mornings and early afternoons, then peak during the evenings through tonight. An approaching frontal boundary will push the high farther east on Sunday, allowing for a brief period of slackening breezes. The front will slide through sometime Sunday with a strong high pressure quickly filling in the wake on Monday. Fresh to strong breezes will prevail as early as Monday night, and hazardous marine conditions will continue through the middle of the week. The Approximate Shoreward Edge of the Gulf Stream as of April 16... 16 NM South of Dry Tortugas Light...on Loggerhead Key. 12 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 22 NM South of Sand Key Light...off Key West. 30 NM South of Looe Key...off Big Pine Key. 26 NM Southeast of Sombrero Key Light...off Marathon. 20 NM Southeast of Alligator Reef Light...off Islamorada. 15 NM Southeast of Molasses Reef Light...off Key Largo. 9 NM Southeast of Carysfort Reef Light...off Ocean Reef. Gulf Stream Information Courtesy of the National Weather Service in Key West based on products from NASA SPoRT and RTOFS. $$ GMZ031-180830- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 430 PM EDT Fri Apr 17 2026 .TONIGHT...North to northeast winds near 10 knots early, becoming northeast to east and increasing to near 10 knots. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers. .SATURDAY...East winds near 10 knots. Bay waters a light chop. .SATURDAY NIGHT...East winds near 10 knots. Bay waters a light chop. A slight chance of showers. .SUNDAY...East to southeast winds 5 to 10 knots, briefly decreasing to near 5 knots. Bay waters smooth to a light chop, becoming smooth. A slight chance of showers. .SUNDAY NIGHT...Northwest to north winds 5 to 10 knots, increasing to near 10 knots. Bay waters smooth to a light chop, becoming a light chop. A slight chance of showers. .MONDAY...North to northeast winds near 10 knots, becoming northeast to east 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Bay waters choppy, becoming very rough. A slight chance of showers. .TUESDAY...Northeast to east winds near 25 knots. Bay waters extremely rough. .TUESDAY NIGHT...Northeast to east winds near 25 knots, decreasing to 20 to 25 knots. Bay waters extremely rough, becoming very rough. .WEDNESDAY...Northeast to east winds 20 to 25 knots, becoming east and decreasing to near 20 knots. Bay waters very rough, becoming rough. .WEDNESDAY NIGHT...East winds decreasing to 15 to 20 knots. Bay waters becoming choppy. A slight chance of showers. $$ GMZ032-035-180830- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 430 PM EDT Fri Apr 17 2026 .TONIGHT...North to northeast winds 5 to 10 knots early, becoming northeast to east and increasing to 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light to moderate chop. A slight chance of showers. .SATURDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. .SATURDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers. .SUNDAY...Northeast to east winds 5 to 10 knots, becoming northwest to north. Seas around 1 foot, subsiding to 1 foot or less. Nearshore waters smooth to a light chop. .SUNDAY NIGHT...Northwest to north winds 5 to 10 knots, increasing to near 10 knots. Seas 1 foot or less, building to around 1 foot, except building to 1 to 2 feet west of the Marquesas Keys. Nearshore waters smooth to a light chop, becoming a light chop. .MONDAY...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a moderate chop. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas building to 2 to 4 feet, occasionally to 5 feet. West of the Marquesas Keys, seas 3 to 4 feet, occasionally to 5 feet, building to 5 to 6 feet, occasionally to 8 feet. Nearshore waters choppy, becoming very rough. A slight chance of showers. .TUESDAY...Northeast to east winds near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 6 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters extremely rough. .TUESDAY NIGHT...Northeast to east winds near 25 knots, decreasing to 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 6 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters extremely rough, becoming very rough. .WEDNESDAY...East winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters rough, becoming choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters choppy. A slight chance of showers. $$ GMZ042>044-180830- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 430 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast to east winds near 10 knots early, increasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. A slight chance of showers. .SATURDAY...East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a light chop. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light chop. A slight chance of showers. .SUNDAY...East winds near 10 knots, becoming north to northeast 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light chop, becoming smooth to a light chop. A slight chance of showers. .SUNDAY NIGHT...North to northeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, except building to 1 to 2 feet west of Cosgrove Shoal Light. Nearshore waters smooth to a light chop, becoming a light chop. A slight chance of showers. .MONDAY...North to northeast winds 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. West of Cosgrove Shoal Light, seas 1 to 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet. West of Cosgrove Shoal Light, seas 3 to 4 feet, occasionally to 5 feet, building to 5 to 6 feet, occasionally to 8 feet. Nearshore waters choppy, becoming very rough. A slight chance of showers. .TUESDAY...Northeast to east winds near 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 6 to 8 feet, occasionally to 10 feet west of Cosgrove Shoal Light. Nearshore waters extremely rough. .TUESDAY NIGHT...Northeast to east winds near 25 knots, decreasing to 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Nearshore waters extremely rough, becoming very rough. .WEDNESDAY...East winds near 20 knots, decreasing to 15 to 20 knots. Seas subsiding to 4 to 6 feet, occasionally to 8 feet, except 5 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light. Nearshore waters rough, becoming choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 4 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light. Nearshore waters choppy. A slight chance of showers. $$ GMZ052>055-072>075-180830- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 430 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast to east winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 4 feet at 5 seconds. A slight chance of showers. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. A slight chance of showers. .SUNDAY...East to southeast winds near 10 knots, becoming northeast to east 5 to 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. A slight chance of showers. .SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers. .MONDAY...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 3 to 4 feet, occasionally to 5 feet. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 7 to 10 feet, occasionally to 13 feet. A slight chance of showers and thunderstorms. .TUESDAY...Northeast to east winds near 25 knots. Seas 9 to 12 feet, occasionally to 15 feet. A slight chance of showers. .TUESDAY NIGHT...Northeast to east winds near 25 knots. Seas 11 to 14 feet, occasionally to 18 feet, subsiding to 9 to 12 feet, occasionally to 15 feet. A slight chance of showers. .WEDNESDAY...Northeast to east winds 20 to 25 knots, becoming east and decreasing to near 20 knots. Seas 8 to 10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally to 10 feet. A slight chance of showers. .WEDNESDAY NIGHT...East winds decreasing to 15 to 20 knots. Seas subsiding to 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. $$ GMZ033-034-180830- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 430 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds and northwest to north 1 foot at 3 seconds. .SATURDAY...East winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers. .SUNDAY...Northeast to east winds 5 to 10 knots, becoming northwest to north. Seas 1 to 2 feet, subsiding to around 1 foot. .SUNDAY NIGHT...Northwest to north winds near 10 knots, becoming north to northeast 10 to 15 knots. Seas around 1 foot, building to 2 to 3 feet. .MONDAY...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. .TUESDAY...Northeast to east winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 8 feet, occasionally to 10 feet. .TUESDAY NIGHT...Northeast to east winds 20 to 25 knots, decreasing to near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. .WEDNESDAY...East winds decreasing to 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers. $$  625 FZUS52 KKEY 172031 CCA CWFKEY Coastal Waters Forecast for the Florida Keys...CORRECTED National Weather Service Key West FL 431 PM EDT Fri Apr 17 2026 Corrected wind speeds in first period for Florida Bay. Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of America, including The Florida Keys National Marine Sanctuary Seas are given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Wave Detail will include details about the period and direction of origin for the highest energy waves. Long-period swells coming from a different direction than the wind would be included in the Wave Detail. GMZ005-180830- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 431 PM EDT Fri Apr 17 2026 .SYNOPSIS...High pressure over the central North Atlantic will allow breezes to lull during the mornings and early afternoons, then peak during the evenings through tonight. An approaching frontal boundary will push the high farther east on Sunday, allowing for a brief period of slackening breezes. The front will slide through sometime Sunday with a strong high pressure quickly filling in the wake on Monday. Fresh to strong breezes will prevail as early as Monday night, and hazardous marine conditions will continue through the middle of the week. The Approximate Shoreward Edge of the Gulf Stream as of April 16... 16 NM South of Dry Tortugas Light...on Loggerhead Key. 12 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 22 NM South of Sand Key Light...off Key West. 30 NM South of Looe Key...off Big Pine Key. 26 NM Southeast of Sombrero Key Light...off Marathon. 20 NM Southeast of Alligator Reef Light...off Islamorada. 15 NM Southeast of Molasses Reef Light...off Key Largo. 9 NM Southeast of Carysfort Reef Light...off Ocean Reef. Gulf Stream Information Courtesy of the National Weather Service in Key West based on products from NASA SPoRT and RTOFS. $$ GMZ031-180830- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 431 PM EDT Fri Apr 17 2026 .TONIGHT...North to northeast winds near 10 knots early, becoming northeast to east and increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers. .SATURDAY...East winds near 10 knots. Bay waters a light chop. .SATURDAY NIGHT...East winds near 10 knots. Bay waters a light chop. A slight chance of showers. .SUNDAY...East to southeast winds 5 to 10 knots, briefly decreasing to near 5 knots. Bay waters smooth to a light chop, becoming smooth. A slight chance of showers. .SUNDAY NIGHT...Northwest to north winds 5 to 10 knots, increasing to near 10 knots. Bay waters smooth to a light chop, becoming a light chop. A slight chance of showers. .MONDAY...North to northeast winds near 10 knots, becoming northeast to east 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Bay waters choppy, becoming very rough. A slight chance of showers. .TUESDAY...Northeast to east winds near 25 knots. Bay waters extremely rough. .TUESDAY NIGHT...Northeast to east winds near 25 knots, decreasing to 20 to 25 knots. Bay waters extremely rough, becoming very rough. .WEDNESDAY...Northeast to east winds 20 to 25 knots, becoming east and decreasing to near 20 knots. Bay waters very rough, becoming rough. .WEDNESDAY NIGHT...East winds decreasing to 15 to 20 knots. Bay waters becoming choppy. A slight chance of showers. $$ GMZ032-035-180830- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 431 PM EDT Fri Apr 17 2026 .TONIGHT...North to northeast winds 5 to 10 knots early, becoming northeast to east and increasing to 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light to moderate chop. A slight chance of showers. .SATURDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. .SATURDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers. .SUNDAY...Northeast to east winds 5 to 10 knots, becoming northwest to north. Seas around 1 foot, subsiding to 1 foot or less. Nearshore waters smooth to a light chop. .SUNDAY NIGHT...Northwest to north winds 5 to 10 knots, increasing to near 10 knots. Seas 1 foot or less, building to around 1 foot, except building to 1 to 2 feet west of the Marquesas Keys. Nearshore waters smooth to a light chop, becoming a light chop. .MONDAY...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a moderate chop. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas building to 2 to 4 feet, occasionally to 5 feet. West of the Marquesas Keys, seas 3 to 4 feet, occasionally to 5 feet, building to 5 to 6 feet, occasionally to 8 feet. Nearshore waters choppy, becoming very rough. A slight chance of showers. .TUESDAY...Northeast to east winds near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 6 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters extremely rough. .TUESDAY NIGHT...Northeast to east winds near 25 knots, decreasing to 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 6 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters extremely rough, becoming very rough. .WEDNESDAY...East winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters rough, becoming choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters choppy. A slight chance of showers. $$ GMZ042>044-180830- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 431 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast to east winds near 10 knots early, increasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. A slight chance of showers. .SATURDAY...East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a light chop. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light chop. A slight chance of showers. .SUNDAY...East winds near 10 knots, becoming north to northeast 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light chop, becoming smooth to a light chop. A slight chance of showers. .SUNDAY NIGHT...North to northeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, except building to 1 to 2 feet west of Cosgrove Shoal Light. Nearshore waters smooth to a light chop, becoming a light chop. A slight chance of showers. .MONDAY...North to northeast winds 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. West of Cosgrove Shoal Light, seas 1 to 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet. West of Cosgrove Shoal Light, seas 3 to 4 feet, occasionally to 5 feet, building to 5 to 6 feet, occasionally to 8 feet. Nearshore waters choppy, becoming very rough. A slight chance of showers. .TUESDAY...Northeast to east winds near 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 6 to 8 feet, occasionally to 10 feet west of Cosgrove Shoal Light. Nearshore waters extremely rough. .TUESDAY NIGHT...Northeast to east winds near 25 knots, decreasing to 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Nearshore waters extremely rough, becoming very rough. .WEDNESDAY...East winds near 20 knots, decreasing to 15 to 20 knots. Seas subsiding to 4 to 6 feet, occasionally to 8 feet, except 5 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light. Nearshore waters rough, becoming choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 4 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light. Nearshore waters choppy. A slight chance of showers. $$ GMZ052>055-072>075-180830- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 431 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast to east winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 4 feet at 5 seconds. A slight chance of showers. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. A slight chance of showers. .SUNDAY...East to southeast winds near 10 knots, becoming northeast to east 5 to 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. A slight chance of showers. .SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers. .MONDAY...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 3 to 4 feet, occasionally to 5 feet. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 7 to 10 feet, occasionally to 13 feet. A slight chance of showers and thunderstorms. .TUESDAY...Northeast to east winds near 25 knots. Seas 9 to 12 feet, occasionally to 15 feet. A slight chance of showers. .TUESDAY NIGHT...Northeast to east winds near 25 knots. Seas 11 to 14 feet, occasionally to 18 feet, subsiding to 9 to 12 feet, occasionally to 15 feet. A slight chance of showers. .WEDNESDAY...Northeast to east winds 20 to 25 knots, becoming east and decreasing to near 20 knots. Seas 8 to 10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally to 10 feet. A slight chance of showers. .WEDNESDAY NIGHT...East winds decreasing to 15 to 20 knots. Seas subsiding to 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. $$ GMZ033-034-180830- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 431 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds and northwest to north 1 foot at 3 seconds. .SATURDAY...East winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers. .SUNDAY...Northeast to east winds 5 to 10 knots, becoming northwest to north. Seas 1 to 2 feet, subsiding to around 1 foot. .SUNDAY NIGHT...Northwest to north winds near 10 knots, becoming north to northeast 10 to 15 knots. Seas around 1 foot, building to 2 to 3 feet. .MONDAY...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. .TUESDAY...Northeast to east winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 8 feet, occasionally to 10 feet. .TUESDAY NIGHT...Northeast to east winds 20 to 25 knots, decreasing to near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. .WEDNESDAY...East winds decreasing to 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers. $$  734 FZUS51 KLWX 172047 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 447 PM EDT Fri Apr 17 2026 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. ANZ500-180800- 447 PM EDT Fri Apr 17 2026 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... It will remain very warm and dry through Saturday as an area of high pressure remains off the southeastern U.S. coast. A cold front late Saturday night will bring the next chance for widespread showers. Small Craft Advisories may be needed at times through Tuesday morning. $$ ANZ535-180800- Tidal Potomac from Key Bridge to Indian Head- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt... becoming NE after midnight. Waves 1 ft or less. .SAT...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds around 5 kt. Waves 1 ft. $$ ANZ536-180800- Tidal Potomac from Indian Head to Cobb Island- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt... diminishing to around 5 kt after midnight. Waves 1 ft or less. .SAT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers. .SUN...NW winds 20 to 25 kt...diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...W winds around 5 kt...becoming S. Waves 1 ft. $$ ANZ537-180800- Tidal Potomac from Cobb Island to Smith Point- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S after midnight. Gusts up to 20 kt. Waves 2 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt. Waves 1 to 2 ft. .TUE...N winds 5 to 10 kt...becoming SE 10 to 15 kt in the afternoon and evening, then becoming SW after midnight. Waves 1 ft. $$ ANZ530-180800- Chesapeake Bay north of Pooles Island- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt... becoming E late. Waves 1 ft or less. .SAT...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft or less. .TUE...W winds around 5 kt...becoming S. Waves 1 ft or less. $$ ANZ531-180800- Chesapeake Bay from Pooles Island to Sandy Point- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 2 ft. A slight chance of showers. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 2 ft...subsiding to flat after midnight. .SAT...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt with gusts to 20 kt...becoming E 5 to 10 kt after midnight. Waves 1 to 2 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 10 to 15 kt...becoming W 5 to 10 kt after midnight. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...NE winds 5 kt...becoming S 10 to 15 kt. Waves 1 ft. $$ ANZ538-180800- Patapsco River including Baltimore Harbor- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft or less. .TUE...NE winds around 5 kt...becoming S. Waves 1 ft or less. $$ ANZ539-180800- Chester River to Queenstown MD- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 5 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt... becoming E late. Waves 2 ft...subsiding to flat after midnight. .SAT...E winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 to 2 ft. .TUE...N winds 5 kt...becoming S. Waves 1 ft. $$ ANZ532-180800- Chesapeake Bay from Sandy Point to North Beach- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 2 ft...subsiding to flat after midnight. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming E 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 10 to 15 kt...becoming W after midnight. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ540-180800- Eastern Bay- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...SE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 kt...becoming S 10 to 15 kt. Waves 1 ft. $$ ANZ533-180800- Chesapeake Bay from North Beach to Drum Point- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 2 ft...subsiding to flat after midnight. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A chance of showers. .SUN...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt...becoming SE 10 to 15 kt in the afternoon and evening, then becoming S after midnight. Waves 1 to 2 ft. $$ ANZ541-180800- Choptank River to Cambridge MD and the Little Choptank River- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...N winds 5 to 10 kt...becoming S 10 to 15 kt. Waves 1 ft. $$ ANZ542-180800- Patuxent River to Broomes Island MD- 447 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt early in the evening...becoming light. Waves 1 ft. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt...becoming S. Waves 1 ft. $$ ANZ534-180800- Chesapeake Bay from Drum Point to Smith Point- 447 PM EDT Fri Apr 17 2026 .REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft. .TONIGHT...N winds around 5 kt. Waves 1 ft or less. .SAT...E winds 10 to 15 kt...becoming SE with gusts to 20 kt late. Waves 1 to 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A chance of showers. .SUN...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. Showers. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .MON...NW winds 10 to 15 kt...becoming N. Waves 2 ft. .TUE...N winds 10 to 15 kt...becoming SE 5 to 10 kt in the afternoon, then becoming S 15 to 20 kt. Waves 1 to 2 ft. $$ ANZ543-180800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 447 PM EDT Fri Apr 17 2026 .REST OF THIS AFTERNOON...W winds 5 kt. Waves less than 1 ft. .TONIGHT...N winds around 5 kt. Waves 1 ft or less. .SAT...E winds 10 to 15 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S after midnight. Gusts up to 20 kt. Waves 2 ft. .SUN...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft. Showers likely. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N. Waves 1 ft. .TUE...N winds 5 to 10 kt...becoming S 15 to 20 kt. Waves 1 to 2 ft. $$  072 FZUS51 KLWX 172057 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 457 PM EDT Fri Apr 17 2026 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. ANZ500-180800- 457 PM EDT Fri Apr 17 2026 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... It will remain very warm and dry through Saturday as an area of high pressure remains off the southeastern U.S. coast. A cold front late Saturday night will bring the next chance for widespread showers. Small Craft Advisories may be needed at times through Tuesday morning. $$ ANZ535-180800- Tidal Potomac from Key Bridge to Indian Head- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt... becoming NE after midnight. Waves 1 ft or less. .SAT...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds around 5 kt. Waves 1 ft. $$ ANZ536-180800- Tidal Potomac from Indian Head to Cobb Island- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt... diminishing to around 5 kt after midnight. Waves 1 ft or less. .SAT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers. .SUN...NW winds 20 to 25 kt...diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...W winds around 5 kt...becoming S. Waves 1 ft. $$ ANZ537-180800- Tidal Potomac from Cobb Island to Smith Point- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S after midnight. Gusts up to 20 kt. Waves 2 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt. Waves 1 to 2 ft. .TUE...N winds 5 to 10 kt...becoming SE 10 to 15 kt in the afternoon and evening, then becoming SW after midnight. Waves 1 to 2 ft. $$ ANZ530-180800- Chesapeake Bay north of Pooles Island- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt... becoming E late. Waves 1 ft or less. .SAT...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft or less. .TUE...W winds around 5 kt...becoming S. Waves 1 ft or less. $$ ANZ531-180800- Chesapeake Bay from Pooles Island to Sandy Point- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt with gusts to 20 kt...becoming E 5 to 10 kt after midnight. Waves 1 to 2 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 10 to 15 kt...becoming W 5 to 10 kt after midnight. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...NE winds 5 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ538-180800- Patapsco River including Baltimore Harbor- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .MON...NW winds 5 to 10 kt. Waves 1 ft or less. .TUE...NE winds around 5 kt...becoming S. Waves 1 ft or less. $$ ANZ539-180800- Chester River to Queenstown MD- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 5 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt... becoming E late. Waves 1 ft or less. .SAT...E winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 to 2 ft. .TUE...N winds 5 kt...becoming S. Waves 1 ft. $$ ANZ532-180800- Chesapeake Bay from Sandy Point to North Beach- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming E 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 10 to 15 kt...becoming W after midnight. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ540-180800- Eastern Bay- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...SE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ533-180800- Chesapeake Bay from North Beach to Drum Point- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 2 ft...subsiding to flat after midnight. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A chance of showers. .SUN...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt...becoming SE 10 to 15 kt in the afternoon and evening, then becoming S after midnight. Waves 1 to 2 ft. $$ ANZ541-180800- Choptank River to Cambridge MD and the Little Choptank River- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft or less. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 to 2 ft. .TUE...N winds 5 to 10 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ542-180800- Patuxent River to Broomes Island MD- 457 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...N winds 5 to 10 kt with gusts to 20 kt early in the evening...becoming light. Waves 1 ft. .SAT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft. Showers. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt...becoming S. Waves 1 ft. $$ ANZ534-180800- Chesapeake Bay from Drum Point to Smith Point- 457 PM EDT Fri Apr 17 2026 .REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft. .TONIGHT...N winds around 5 kt. Waves 1 ft or less. .SAT...E winds 10 to 15 kt...becoming SE with gusts to 20 kt late. Waves 1 to 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A chance of showers. .SUN...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. Showers. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .MON...NW winds 10 to 15 kt...becoming N. Waves 2 ft. .TUE...N winds 10 to 15 kt...becoming SE 5 to 10 kt in the afternoon, then becoming S 15 to 20 kt. Waves 1 to 2 ft...building to 3 ft after midnight. $$ ANZ543-180800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 457 PM EDT Fri Apr 17 2026 .REST OF THIS AFTERNOON...W winds 5 kt. Waves less than 1 ft. .TONIGHT...N winds around 5 kt. Waves 1 ft or less. .SAT...E winds 10 to 15 kt. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt...becoming S after midnight. Gusts up to 20 kt. Waves 2 ft. .SUN...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft. Showers likely. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt...becoming N. Waves 1 ft. .TUE...N winds 5 to 10 kt...becoming S 15 to 20 kt. Waves 1 to 2 ft. $$