632 FZUS53 KMKX 240010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-240400- Sheboygan to Port Washington WI- 710 PM CDT Sun Aug 23 2026 .TONIGHT...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 northeast late in the afternoon. Sunny. Waves around 1 foot. .MONDAY NIGHT...Southeast wind 5 to 10 knots veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot building to 2 to 4 feet late in the afternoon. $$ LMZ644-240400- Port Washington to North Point Light WI- 710 PM CDT Sun Aug 23 2026 .TONIGHT...Northwest wind 5 to 10 knots veering north in the late evening and early morning, then backing northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 5 to 10 knots in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southwest late in the evening, then veering west after midnight becoming west 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots early in the afternoon becoming south 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ645-240400- North Point Light to Wind Point WI- 710 PM CDT Sun Aug 23 2026 .TONIGHT...North wind 5 to 10 knots backing northwest after midnight. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 5 to 10 knots early in the afternoon veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southwest late in the evening, then becoming southwest 5 to 10 knots after midnight veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots with gusts to around 20 knots in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ646-240400- Wind Point WI to Winthrop Harbor IL- 710 PM CDT Sun Aug 23 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering south late in the evening, then veering southwest after midnight veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots in the afternoon. Sunny. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.  751 FZUS53 KGRR 240058 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 858 PM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-240800- Pentwater to Manistee MI- 858 PM EDT Sun Aug 23 2026 .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots. Mostly clear. Waves 3 to 5 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 3 to 5 feet. .MONDAY NIGHT...North winds 5 to 15 knots veering east around 5 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots veering southwest 10 to 20 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South winds 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet building to 3 to 5 feet after midnight. .WEDNESDAY...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Waves 5 to 7 feet. .THURSDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .FRIDAY...North winds 5 to 15 knots. Sunny. Waves around 1 foot. $$ LMZ848-240800- Whitehall to Pentwater MI- 858 PM EDT Sun Aug 23 2026 .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots. Mostly clear. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...North winds 5 to 15 knots veering northeast around 5 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South winds 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet building to 3 to 5 feet after midnight. .WEDNESDAY...South winds 20 to 25 knots. Rain showers likely and a chance of thunderstorms. Waves 5 to 7 feet. .THURSDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .FRIDAY...North winds 10 to 15 knots. Sunny. Waves around 1 foot. $$ LMZ847-240800- Grand Haven to Whitehall MI- 858 PM EDT Sun Aug 23 2026 .THROUGH EARLY EVENING...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .TONIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late evening and overnight. .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 northeast after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves around 1 foot. .TUESDAY NIGHT...South winds 15 to 25 knots. Partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .WEDNESDAY...South winds 20 to 25 knots. Partly sunny with a chance of showers and thunderstorms. Waves 4 to 6 feet. .THURSDAY...Northwest winds 15 to 20 knots. Sunny. Waves 3 to 5 feet. .FRIDAY...North winds 10 to 15 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ846-240800- Holland to Grand Haven MI- 858 PM EDT Sun Aug 23 2026 .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. Waves 5 to 7 feet. .TONIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...Northwest winds 10 to 20 knots becoming north around 5 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots veering southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 10 to 20 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .WEDNESDAY...South winds 15 to 25 knots. Partly sunny with rain showers likely and a chance of thunderstorms. Waves 4 to 6 feet. .THURSDAY...Northwest winds 15 to 20 knots. Sunny. Waves 3 to 5 feet. .FRIDAY...North winds around 10 knots backing northwest early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ845-240800- South Haven to Holland MI- 858 PM EDT Sun Aug 23 2026 .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. Waves 5 to 7 feet. .TONIGHT...North winds 10 to 20 knots. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 3 feet after midnight. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...North winds 5 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...East winds around 5 knots veering south in the late morning and early afternoon, then veering west early in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 10 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...South winds 15 to 25 knots. Partly sunny with rain showers likely and a chance of thunderstorms. Waves 3 to 5 feet. .THURSDAY...Northwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .FRIDAY...North winds around 10 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ844-240800- St Joseph to South Haven MI- 858 PM EDT Sun Aug 23 2026 .THROUGH EARLY EVENING...Northwest winds 15 to 25 knots. Sunny. Waves 5 to 7 feet. .TONIGHT...North winds 10 to 20 knots decreasing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. .MONDAY...Northwest winds 5 to 15 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .TUESDAY...Northwest winds around 5 knots backing southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 5 to 15 knots. Partly cloudy. Waves around 1 foot. .WEDNESDAY...South winds 15 to 20 knots. Partly sunny. Waves 1 to 3 feet. .THURSDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .FRIDAY...North winds around 10 knots. Sunny. Waves around 1 foot. $$