Last Update: 1005 PM EDT Sun Aug 31 2025

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Grand Rapids, MI Local Forecast Office

12NM SSW Pentwater MI

Marine Zone Forecast

Rest Of Tonight
Northeast winds 5 to 10 knots veering east toward daybreak. Mostly clear. Waves less than 1 foot.
Labor Day
Southeast winds around 10 knots veering west, then veering northwest late in the day. Sunny. Waves less than 1 foot.
Monday Night
North winds 5 to 10 knots veering southeast toward daybreak. Mostly clear. Waves less than 1 foot.
Tuesday
South winds 5 to 10 knots veering southwest. Sunny. Waves less than 1 foot.
Tuesday Night
South winds 5 to 15 knots. Mostly clear. Waves around 1 foot.
Wednesday
South winds 10 to 20 knots veering southwest 20 to 25 knots late in the day. Rain showers likely and a chance of thunderstorms. Waves 2 to 3 feet building to 3 to 5 feet.
Thursday
West winds 20 to 25 knots. Partly sunny. Waves 4 to 6 feet.
Friday
West winds 20 to 25 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet.



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1005 PM EDT Sun Aug 31 2025
 
 

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