075 FZUS53 KGRB 180724 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 224 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-181000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 224 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Patchy fog. a chance of showers. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of sprinkles in the morning. A slight chance of snow showers. A slight chance of showers in the afternoon. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. $$ LMZ521-181000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 224 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 15 kts veering NW 10 to 20 kts after midnight. Waves 1 to 3 ft. Patchy dense fog. showers likely. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 224 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 20 kts veering NW 15 to 25 kts after midnight. Waves 4 to 7 ft. Patchy dense fog. showers likely and a slight chance of thunderstorms. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly sunny. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 224 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 20 kts veering W 15 to 25 kts after midnight. Waves 3 to 5 ft. Patchy dense fog. a chance of showers. .SATURDAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.  535 FZUS53 KDTX 180727 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 327 AM EDT Sat Apr 18 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. LHZ422-181530- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 327 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the afternoon. Light showers and a slight chance of thunderstorms in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...West winds 15 to 20 knots. Mostly clear. Waves 1 to 3 feet. .SUNDAY...West 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. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-181530- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 327 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the afternoon. Light showers and a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Mostly clear. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-181530- Port Austin to Harbor Beach MI- 327 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots late in the morning, then veering to the west early in the afternoon diminishing to 10 to 15 knots late in the afternoon. Light showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally around 7 feet. .TONIGHT...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots veering to the northwest early in the afternoon. 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. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. Waves 4 to 6 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-181530- Harbor Beach to Port Sanilac MI- 327 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...South winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots early in the afternoon, then diminishing to 10 to 15 knots late in the afternoon. Rain showers and a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally around 7 feet. .TONIGHT...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...North winds 15 to 20 knots. Partly cloudy. A chance of light snow showers early in the evening. Waves 3 to 5 feet. Waves occasionally around 6 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-181530- Port Sanilac to Port Huron MI- 327 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...South winds 20 to 25 knots becoming west 15 to 20 knots in the afternoon. Light showers and a slight chance of thunderstorms in the morning, then showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots becoming northwest 15 to 20 knots early in the afternoon. Mostly sunny until late afternoon, then mostly cloudy with a chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...North winds 15 to 20 knots. Partly cloudy. A chance of light rain and snow showers early in the evening. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-181530- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 327 AM EDT Sat Apr 18 2026 .TODAY...Southwest winds 15 to 20 knots veering to the west in the afternoon. Light showers and a slight chance of thunderstorms in the morning, then showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly sunny until late afternoon, then partly cloudy with a chance of showers early in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. A chance of showers early in the evening. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 52 degrees. $$ MV You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  439 FZUS53 KDLH 180728 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 228 AM CDT Sat Apr 18 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. LSZ140-181600- Grand Portage to Grand Marais MN- 228 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-181600- Grand Marais to Taconite Harbor MN- 228 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181600- Taconite Harbor to Silver Bay Harbor MN- 228 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-181600- Silver Bay Harbor to Two Harbors MN- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181600- Two Harbors to Duluth MN- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 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 10 to 15 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-181600- Duluth MN to Port Wing WI- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries early in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181600- Port Wing to Sand Island WI- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...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 2 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-181600- Sand Island to Bayfield WI- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles in the evening. Waves 4 to 6 feet subsiding to 1 to 2 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming north after midnight, then becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181600- Outer Apostle Islands Beyond 5 NM from Mainland- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles and flurries in the evening. Waves 4 to 7 feet subsiding to 1 to 3 feet early in the morning. Waves occasionally to 9 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181600- Chequamegon Bay-Bayfield to Oak Point WI- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Chance of sprinkles in the evening. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181600- Oak Point to Saxon Harbor WI- 228 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Chance of sprinkles and flurries in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  430 FZUS51 KCLE 180735 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 335 AM EDT Sat Apr 18 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ142>144-181415- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- The Islands to Vermilion OH- 335 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots. A slight chance of showers in the evening. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming north 10 to 15 knots. A chance of rain showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Monday through Wednesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$ LEZ145>148-181415- Vermilion to Avon Point OH-Avon Point to Willowick OH- Willowick to Geneva-on-the Lake OH-Geneva-on-the- Lake to Conneaut OH- 335 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots becoming west. A chance of showers with a slight chance of thunderstorms this morning, then showers with a chance of thunderstorms this afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots. A chance of showers in the evening. 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. .SUNDAY NIGHT...West winds 15 to 20 knots becoming north 10 to 15 knots. A chance of rain showers. Waves 2 to 4 feet subsiding to 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. $$ LEZ149-181415- Conneaut OH to Ripley NY- 335 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots becoming southwest. A slight chance of showers late this morning. A chance of showers and thunderstorms early this afternoon, then showers with a chance of thunderstorms late. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely in the evening, then a chance of showers overnight. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain and snow showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY NIGHT...West winds 10 to 15 knots becoming northwest. A chance of rain and snow showers. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Monday through Wednesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$  104 FZUS53 KDLH 180758 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 258 AM CDT Sat Apr 18 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. LSZ140-181600- Grand Portage to Grand Marais MN- 258 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-181600- Grand Marais to Taconite Harbor MN- 258 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181600- Taconite Harbor to Silver Bay Harbor MN- 258 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-181600- Silver Bay Harbor to Two Harbors MN- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181600- Two Harbors to Duluth MN- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 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 10 to 15 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-181600- Duluth MN to Port Wing WI- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries early in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181600- Port Wing to Sand Island WI- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...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. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-181600- Sand Island to Bayfield WI- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming north after midnight, then becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181600- Outer Apostle Islands Beyond 5 NM from Mainland- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles and flurries in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 9 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181600- Chequamegon Bay-Bayfield to Oak Point WI- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Chance of sprinkles in the evening. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181600- Oak Point to Saxon Harbor WI- 258 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Chance of sprinkles and flurries in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH