028 FZUS53 KGRB 171925 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 225 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-172200- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 225 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 2 to 4 ft. A chance of showers and thunderstorms. .TONIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts, then veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Patchy fog. a chance of thunderstorms in the evening. Rain showers. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear. $$ LMZ521-172200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 225 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SE wind 10 to 15 kts veering S 15 to 25 kts early in the afternoon. Waves 2 to 4 ft. Patchy dense fog. a chance of showers and thunderstorms. .TONIGHT...S wind 15 to 25 kts veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Patchy dense fog. a chance of showers and thunderstorms in the evening. Rain showers likely after midnight. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ541-172200- Rock Island Passage to Sturgeon Bay WI- 225 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TONIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 5 to 8 ft. Patchy dense fog. a chance of thunderstorms in the evening. Rain showers likely. .SATURDAY...NW wind 15 to 25 kts backing W 10 to 15 kts in the late morning and afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ542-543-172200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 225 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TONIGHT...S wind 15 to 25 kts veering W after midnight. Gusts to 35 kts. Waves 5 to 8 ft subsiding to 4 to 7 ft after midnight. Patchy dense fog. showers likely and a chance of thunderstorms in the evening. A chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy in the morning then clearing. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.  796 FZUS53 KDLH 171926 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 226 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-180400- Grand Portage to Grand Marais MN- 226 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots increasing to 40 knots after midnight, then decreasing to 30 knots late in the night. Patchy fog early in the evening. Rain likely and chance of thunderstorms early in the evening, then chance of rain late in the evening. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the night. .SATURDAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-180400- Grand Marais to Taconite Harbor MN- 226 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... .TONIGHT...Northwest wind 15 to 20 knots. Gales up to 40 knots decreasing to 35 knots late in the evening, then increasing to 40 knots after midnight decreasing to 30 knots late in the night. Rain likely and chance of thunderstorms early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the night. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-180400- Taconite Harbor to Silver Bay Harbor MN- 226 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... .TONIGHT...Northwest wind 15 to 20 knots. Gales up to 40 knots decreasing to 35 knots late in the evening, then increasing to 40 knots after midnight decreasing to 30 knots late in the night. Chance of rain and thunderstorms early in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-180400- Silver Bay Harbor to Two Harbors MN- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots increasing to 35 knots late in the evening, then decreasing to 30 knots after midnight decreasing to 25 knots late in the night. Chance of rain and thunderstorms early in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-180400- Two Harbors to Duluth MN- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 30 knots. Slight chance of rain and thunderstorms early in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-180400- Duluth MN to Port Wing WI- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 30 knots. Slight chance of rain and thunderstorms early in the evening. Waves 3 to 5 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-180400- Port Wing to Sand Island WI- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 5 to 15 knots with gusts to around 25 knots rising to 15 to 20 knots with gusts to around 30 knots in the late evening and overnight. Chance of rain and thunderstorms early in the evening. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots easing to 10 to 20 knots late in the morning, then rising to 20 to 25 knots in the afternoon. Gusts up to 30 knots. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-180400- Sand Island to Bayfield WI- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots after midnight. Chance of rain and thunderstorms early in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-180400- Outer Apostle Islands Beyond 5 NM from Mainland- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT... .TONIGHT...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and overnight. Patchy fog early in the evening. Rain likely and chance of thunderstorms early in the evening, then slight chance of rain late in the evening. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly sunny. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-180400- Chequamegon Bay-Bayfield to Oak Point WI- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. Chance of rain and thunderstorms early in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-180400- Oak Point to Saxon Harbor WI- 226 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Patchy fog early in the evening. Chance of rain and thunderstorms early in the evening, then slight chance of rain late in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots easing to 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  318 FZUS53 KDLH 171946 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 246 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-180400- Grand Portage to Grand Marais MN- 246 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots increasing to 40 knots after midnight, then decreasing to 30 knots late in the night. Patchy fog early in the evening. Rain likely and chance of thunderstorms early in the evening, then chance of rain late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the night. .SATURDAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-180400- Grand Marais to Taconite Harbor MN- 246 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest wind 15 to 20 knots. Gales up to 40 knots decreasing to 35 knots late in the evening, then increasing to 40 knots after midnight decreasing to 30 knots late in the night. Rain likely and chance of thunderstorms early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the night. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-180400- Taconite Harbor to Silver Bay Harbor MN- 246 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest wind 15 to 20 knots. Gales up to 40 knots decreasing to 35 knots late in the evening, then increasing to 40 knots after midnight decreasing to 30 knots late in the night. Chance of rain and thunderstorms early in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-180400- Silver Bay Harbor to Two Harbors MN- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots increasing to 35 knots late in the evening, then decreasing to 30 knots after midnight decreasing to 25 knots late in the night. Chance of rain and thunderstorms early in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-180400- Two Harbors to Duluth MN- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 30 knots. Slight chance of rain and thunderstorms early in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-180400- Duluth MN to Port Wing WI- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 30 knots. Slight chance of rain and thunderstorms early in the evening. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-180400- Port Wing to Sand Island WI- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 5 to 15 knots with gusts to around 25 knots rising to 15 to 20 knots with gusts to around 30 knots in the late evening and overnight. Chance of rain and thunderstorms early in the evening. Waves 3 to 5 feet. .SATURDAY...West wind 20 to 25 knots easing to 10 to 20 knots late in the morning, then rising to 20 to 25 knots in the afternoon. Gusts up to 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-180400- Sand Island to Bayfield WI- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots after midnight. Chance of rain and thunderstorms early in the evening. Waves 3 to 5 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-180400- Outer Apostle Islands Beyond 5 NM from Mainland- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT... .TONIGHT...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and overnight. Patchy fog early in the evening. Rain likely and chance of thunderstorms early in the evening, then slight chance of rain late in the evening. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 7 feet. Waves occasionally to 9 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the morning. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly sunny. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-180400- Chequamegon Bay-Bayfield to Oak Point WI- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. Chance of rain and thunderstorms early in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-180400- Oak Point to Saxon Harbor WI- 246 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Patchy fog early in the evening. Chance of rain and thunderstorms early in the evening, then slight chance of rain late in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots easing to 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  694 FZUS53 KDTX 171946 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 346 PM EDT Fri Apr 17 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-180400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 346 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING... .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late evening and overnight. Mostly clear in the evening, then showers and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .SATURDAY...South winds 15 to 20 knots veering to the west in the late morning and afternoon. Becoming partly cloudy early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely in the late morning and early afternoon. A slight chance of showers early in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. .SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-180400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 346 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING... .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late evening and overnight. Partly cloudy in the evening, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...South winds 15 to 20 knots veering to the west in the late morning and afternoon. Becoming partly cloudy early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely in the late morning and early afternoon. A slight chance of showers early in the afternoon. Waves 3 to 5 feet. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-180400- Port Austin to Harbor Beach MI- 346 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots becoming south 20 to 25 knots. Partly cloudy in the evening, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...South winds 20 to 25 knots becoming west 15 to 20 knots in the late morning and afternoon. Mostly cloudy. A chance of thunderstorms in the morning. Rain showers likely. A slight chance of thunderstorms in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-180400- Harbor Beach to Port Sanilac MI- 346 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late evening and overnight. Partly cloudy. Rain showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SATURDAY...South winds 15 to 20 knots veering to the west early in the afternoon. Mostly cloudy. Rain showers likely and a chance of thunderstorms early in the morning, then a slight chance of thunderstorms in the late morning and early afternoon. A chance of showers in the late morning and afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .SATURDAY NIGHT...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light snow showers early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-180400- Port Sanilac to Port Huron MI- 346 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Partly cloudy. A chance of showers and thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SATURDAY...South winds 15 to 20 knots veering to the west early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely and a slight chance of thunderstorms in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny until late afternoon, then partly cloudy with a chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-180400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 346 PM EDT Fri Apr 17 2026 .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots early in the morning. Partly cloudy. Light showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...Southwest winds 15 to 20 knots veering to the west early in the afternoon. Light showers and a chance of thunderstorms early in the morning, then showers likely and a slight chance of thunderstorms in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny until late afternoon, then partly cloudy with a chance of showers early in the afternoon. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 52 degrees. $$ KDK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  569 FZUS51 KCLE 171948 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 348 PM EDT Fri Apr 17 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ142>144-180230- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- The Islands to Vermilion OH- 348 PM EDT Fri Apr 17 2026 .TONIGHT...East winds 5 to 15 knots becoming south. A chance of showers and thunderstorms late. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms in the morning, then showers with a slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. A chance of showers in the evening. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Monday through Wednesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$ LEZ145>148-180230- Vermilion to Avon Point OH-Avon Point to Willowick OH- Willowick to Geneva-on-the Lake OH-Geneva-on-the- Lake to Conneaut OH- 348 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast winds 5 to 15 knots becoming south. Patchy dense fog late this evening. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots becoming west. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. A chance of showers. Waves 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots. A chance of rain showers in the afternoon. Waves 2 to 4 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Monday through Wednesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$ LEZ149-180230- Conneaut OH to Ripley NY- 348 PM EDT Fri Apr 17 2026 .TONIGHT...Northeast winds 10 knots or less becoming south 10 to 15 knots. Patchy dense fog. Waves 1 foot or less. .SATURDAY...South winds 15 to 20 knots becoming southwest. A slight chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 10 to 15 knots. Rain showers likely in the evening, then a chance of rain showers overnight. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots. A chance of rain and snow showers in the afternoon. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Monday through Wednesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$  505 FZUS53 KLOT 171957 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 257 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-180315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 257 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...South winds 20 to 25 kt becoming west late. Showers and thunderstorms in the evening, then showers after midnight. Waves 3 to 5 ft subsiding to 2 to 4 ft. .SATURDAY...Northwest winds 20 to 25 kt becoming west. Slight chance of showers in the morning. Waves 2 to 4 ft. .SATURDAY NIGHT...West winds 15 to 20 kt diminishing to 10 to 15 kt. Partly cloudy in the evening, then becoming mostly clear. Waves 1 to 3 ft. .SUNDAY...West winds 10 to 15 kt becoming northwest 15 to 20 kt in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 ft. $$ LMZ743>745-180315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 257 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .TONIGHT...South winds 20 to 25 kt becoming southwest late. Showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 2 to 4 ft. .SATURDAY...Northwest winds 20 to 25 kt. Chance of showers in the morning. Waves 3 to 5 ft. .SATURDAY NIGHT...Northwest winds 15 to 20 kt becoming west 10 to 15 kt. Partly cloudy in the evening then clearing. Waves 2 to 4 ft. .SUNDAY...West winds 10 to 20 kt becoming northwest in the afternoon. Mostly sunny in the morning, then becoming mostly cloudy. Waves 1 to 3 ft. $$ KMD