Last Update: 805 AM EDT Sun Aug 31 2025

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Grand Rapids, MI Local Forecast Office

12NM SSW Pentwater MI

Marine Zone Forecast

Today
Southeast winds around 5 knots veering west, then veering northwest late in the day. Sunny. Waves less than 1 foot.
Tonight
North winds 5 to 10 knots veering east after midnight. Mostly clear. Waves less than 1 foot.
Labor Day
Southeast winds 5 to 10 knots veering southwest, 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.
Wednesday
Southwest winds 10 to 20 knots increasing to 20 to 25 knots, then veering west late in the day. Rain showers likely and a chance of thunderstorms. Waves 2 to 3 feet building to 3 to 5 feet.
Thursday
Northwest winds 20 to 25 knots. Partly sunny. Waves 4 to 6 feet.



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805 AM EDT Sun Aug 31 2025
 
 

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