Coastal Waters Forecast for Pentwater to Manistee MI (LMZ849) (Text-Only)
NWS Forecast for: Pentwater to Manistee MI (LMZ849)
Issued by: National Weather Service Grand Rapids, MI
Last Update: 513 AM EDT Fri Oct 17 2025




Today: South winds to 30 knots. Mostly cloudy. Rain showers likely in the morning. Waves 3 to 5 feet building to 6 to 8 feet in the late morning and afternoon.

Tonight: South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 6 to 8 feet.

Saturday: Southwest winds 15 to 25 knots. Rain showers likely and a chance of thunderstorms. Waves 5 to 7 feet.

Saturday Night: South winds 5 to 15 knots backing east after midnight. Rain showers and a chance of thunderstorms. Waves 3 to 5 feet subsiding to 2 to 3 feet after midnight.

Sunday: North winds 15 to 25 knots backing northwest to 30 knots in the late morning and afternoon. Rain showers and a slight chance of thunderstorms. Waves 4 to 6 feet building to 7 to 10 feet in the late morning and afternoon.

Monday: West winds 10 to 15 knots becoming south to 30 knots in the late morning and afternoon. Mostly sunny. Waves 3 to 5 feet building to 6 to 9 feet early in the afternoon.

Tuesday: West winds to 30 knots. Partly sunny with rain showers likely. Waves 7 to 10 feet.







Zone Forecast: Pentwater to Manistee MI (LMZ849)

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