938 FZUS53 KGRR 230606 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 206 AM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-230800- Pentwater to Manistee MI- 206 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Northwest winds 15 to 25 knots. Mostly clear. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY...Northwest winds 20 to 25 knots. Mostly sunny with a slight chance of rain showers. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 15 knots backing south after midnight. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .WEDNESDAY...Southwest winds 15 to 25 knots. Partly sunny with a chance of rain showers. Waves 3 to 5 feet. .THURSDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 1 to 3 feet. $$ LMZ848-230800- Whitehall to Pentwater MI- 206 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Northwest winds 15 to 25 knots. Mostly clear. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY...Northwest winds 20 to 25 knots. Mostly sunny. A slight chance of waterspouts. Waves 5 to 7 feet. .SUNDAY NIGHT...North winds 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 10 to 15 knots backing west 5 to 10 knots in the late evening and early morning, then backing south after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves around 1 foot. .WEDNESDAY...Southwest winds 15 to 25 knots. Mostly sunny with a chance of rain showers. Waves 4 to 6 feet. .THURSDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ847-230800- Grand Haven to Whitehall MI- 206 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...North winds 15 to 20 knots. Mostly clear. A slight chance of waterspouts. Waves 3 to 5 feet. .SUNDAY...Northwest winds 15 to 25 knots increasing to 30 knots early in the afternoon. Mostly sunny. A slight chance of waterspouts. Waves 5 to 7 feet. .SUNDAY NIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots after midnight. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 10 to 20 knots veering north 5 to 10 knots in the late evening and early morning, then veering east after midnight. Partly cloudy. Waves 2 to 4 feet. .TUESDAY...South winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves around 1 foot. .WEDNESDAY...Southwest winds 20 to 25 knots. Partly sunny with a chance of rain showers. Waves 3 to 5 feet. .THURSDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ846-230800- Holland to Grand Haven MI- 206 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...North winds 15 to 20 knots. Mostly clear. A slight chance of waterspouts. Waves 2 to 4 feet. .SUNDAY...Northwest winds 15 to 25 knots increasing to 30 knots early in the afternoon. Sunny with a slight chance of rain showers. A slight chance of waterspouts. Waves 5 to 7 feet. .SUNDAY NIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 5 to 7 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 5 to 15 knots veering east around 5 knots after midnight. Partly cloudy. Waves 2 to 4 feet. .TUESDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY...Southwest winds 15 to 20 knots. Partly sunny. Waves 3 to 5 feet. .THURSDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ845-230800- South Haven to Holland MI- 206 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...North winds 15 to 20 knots. Mostly clear. A slight chance of waterspouts. Waves 2 to 4 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny with a slight chance of rain showers. A slight chance of waterspouts. Waves 5 to 7 feet. .SUNDAY NIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 5 to 7 feet subsiding to 2 to 4 feet after midnight. .MONDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...North winds 5 to 15 knots veering east around 5 knots after midnight. Partly cloudy. Waves 2 to 4 feet. .TUESDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY...Southwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .THURSDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ844-230800- St Joseph to South Haven MI- 206 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...North winds around 15 knots. Mostly clear. A slight chance of waterspouts. Waves 2 to 4 feet. .SUNDAY...Northwest winds 15 to 25 knots. Sunny. A slight chance of waterspouts. Waves 5 to 7 feet. .SUNDAY NIGHT...North winds 10 to 20 knots decreasing to 5 to 10 knots after midnight. Mostly clear. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. .MONDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet. .MONDAY NIGHT...North winds 5 to 10 knots veering southeast after midnight. Mostly clear. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots veering southwest early in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 1 to 3 feet. .THURSDAY...West winds around 15 knots veering northwest early in the afternoon. Mostly sunny. Waves 2 to 4 feet. $$  277 FZUS53 KMKX 230610 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 AM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-230900- Sheboygan to Port Washington WI- 110 AM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Slight chance of waterspouts. Waves 1 to 2 feet. .SUNDAY...Northwest wind 15 to 20 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots backing northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots becoming north 5 to 10 knots early in the afternoon, then veering east late in the afternoon. Sunny. Waves around 1 foot. $$ LMZ644-230900- Port Washington to North Point Light WI- 110 AM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 10 to 15 knots. Slight chance of waterspouts. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then becoming north 5 to 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ645-230900- North Point Light to Wind Point WI- 110 AM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 10 to 15 knots. Slight chance of waterspouts. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north in the afternoon. Slight chance of waterspouts in the morning. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in the late evening and early morning, then backing northwest early in the morning. Partly cloudy. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ646-230900- Wind Point WI to Winthrop Harbor IL- 110 AM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 10 to 15 knots. Slight chance of waterspouts. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north early in the afternoon, then backing northwest late in the afternoon. Slight chance of waterspouts in the morning. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 5 to 10 knots backing northwest after midnight. Partly cloudy. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Tuesday through Thursday.  793 FZUS53 KDLH 230617 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 117 AM CDT Sun Aug 23 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. LSZ140-231600- Grand Portage to Grand Marais MN- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots early in the afternoon, then becoming southwest late in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming northwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ141-231600- Grand Marais to Taconite Harbor MN- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 to 10 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northwest after midnight. Clear. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming south in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ142-231600- Taconite Harbor to Silver Bay Harbor MN- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northwest after midnight. Clear. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots early in the morning becoming variable 10 knots or less, then becoming south 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ143-231600- Silver Bay Harbor to Two Harbors MN- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming northwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming southeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ144-231600- Two Harbors to Duluth MN- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 knots becoming east in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Northeast wind 5 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ145-231600- Duluth MN to Port Wing WI- 117 AM CDT Sun Aug 23 2026 .TODAY...Northeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming south after midnight, then becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. .MONDAY...South wind 5 knots becoming northeast in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 knots becoming southeast early in the morning. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ146-231600- Port Wing to Sand Island WI- 117 AM CDT Sun Aug23 2026 .TODAY...Northeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southeast late in the evening, then becoming southwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming northeast 5 knots early in the afternoon becoming east. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ147-231600- Sand Island to Bayfield WI- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 to 10 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...South wind 5 knots becoming west after midnight. Clear. Waves 1 foot or less. .MONDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming northeast 5 knots early in the afternoon becoming east. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots becoming south early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ150-231600- Outer Apostle Islands Beyond 5 NM from Mainland- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 5 knots becoming west after midnight. Clear. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming northeast early in the afternoon, then becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots becoming south early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ121-231600- Chequamegon Bay-Bayfield to Oak Point WI- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 to 10 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots becoming southwest after midnight. Clear. Waves 1 foot or less. .MONDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ148-231600- Oak Point to Saxon Harbor WI- 117 AM CDT Sun Aug 23 2026 .TODAY...North wind 5 to 10 knots becoming east late in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 knots becoming southwest after midnight. Clear. Waves 1 foot or less. .MONDAY...Southwest wind 5 knots becoming west late in the morning, then becoming northeast in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  128 FZUS53 KGRB 230623 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 123 AM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-231000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 123 AM CDT Sun Aug 23 2026 .REST OF THE NIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .SUNDAY...N wind 10 to 15 kts. Waves 2 to 4 ft. Mostly sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after midnight. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 5 to 10 kts. Waves 2 ft or less. Sunny in the morning then becoming partly cloudy. $$ LMZ521-231000- 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- 123 AM CDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...NW wind 10 to 20 kts. Waves 3 to 5 ft. Clear. .SUNDAY...NW wind 15 to 25 kts veering N 10 to 15 kts early in the afternoon. Waves 3 to 5 ft. Mostly sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Clear. .MONDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ542-543-231000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 123 AM CDT Sun Aug 23 2026 .REST OF THE NIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Clear. .SUNDAY...NW wind 10 to 20 kts. Waves 1 to 3 ft. Sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW after midnight. Waves 2 ft or less. Clear. .MONDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ541-231000- Rock Island Passage to Sturgeon Bay WI- 123 AM CDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...NW wind 15 to 25 kts. Waves 2 to 4 ft. Clear. .SUNDAY...N wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A chance of sprinkles in the afternoon. .SUNDAY NIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.