Coastal Waters Forecast for Grand Haven to Whitehall MI (LMZ847) (Text-Only)
NWS Forecast for: Grand Haven to Whitehall MI (LMZ847)
Issued by: National Weather Service Grand Rapids, MI
Last Update: 343 PM EDT Fri Oct 17 2025
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Through Early Evening: South winds 20 to 25 knots. Mostly cloudy. Waves 6 to 8 feet.

Tonight: South winds 20 to 25 knots. Partly cloudy. A chance of showers and thunderstorms after midnight. Waves 6 to 8 feet.

Saturday: Southwest winds 15 to 25 knots. Rain showers likely and a chance of thunderstorms. Waves 6 to 8 feet.

Saturday Night: South winds 10 to 20 knots backing east after midnight. Rain showers and a chance of thunderstorms. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight.

Sunday: Northwest winds to 30 knots increasing to gales to 40 knots in the late morning and afternoon. Rain showers. Waves 4 to 6 feet building to 8 to 12 feet in the late morning and afternoon.

Sunday Night: Northwest gales to 35 knots decreasing to 30 knots in the late evening and overnight. Partly cloudy. Waves 8 to 12 feet.

Monday: West winds 15 to 20 knots backing south to 30 knots in the late morning and afternoon. Mostly sunny. Waves 6 to 8 feet.

Tuesday: West winds to 30 knots becoming gales to 35 knots early in the afternoon. Partly sunny with rain showers likely. Waves 8 to 12 feet.

Wednesday: Northwest winds 15 to 25 knots. Partly sunny. Waves 6 to 8 feet.







Zone Forecast: Grand Haven to Whitehall MI (LMZ847)

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