Coastal Waters Forecast for Whitehall to Pentwater MI (LMZ848) (Text-Only)
NWS Forecast for: Whitehall to Pentwater MI (LMZ848)
Issued by: National Weather Service Grand Rapids, MI
Last Update: 403 AM EDT Sun Oct 19 2025




Rest Of Tonight: North winds 15 to 20 knots. Rain showers and a slight chance of thunderstorms. Patchy fog. Waves 1 to 2 feet.

Sunday: Northwest gales to 35 knots decreasing to 30 knots early in the afternoon. Rain showers and a slight chance of thunderstorms. Patchy fog. Waves 6 to 9 feet building to 8 to 12 feet in the late morning and afternoon.

Sunday Night: Northwest winds to 30 knots decreasing to 15 to 20 knots after midnight. Partly cloudy. Waves 8 to 12 feet.

Monday: West winds 15 to 20 knots backing southwest in the late morning and early afternoon, then backing south to 30 knots early in the afternoon. Sunny. Waves 4 to 6 feet building to 5 to 7 feet early in the afternoon.

Monday Night: South winds to 30 knots increasing to gales to 35 knots in the late evening and early morning, then veering southwest after midnight. Rain showers. Waves 6 to 9 feet building to 10 to 14 feet in the late evening and overnight.

Tuesday: West gales to 45 knots. Partly sunny with rain showers. Waves 13 to 17 feet.

Wednesday: Northwest gales to 45 knots. Rain showers. Waves 11 to 15 feet.

Thursday: Northwest winds to 30 knots. Partly sunny with a chance of rain showers. Waves 6 to 8 feet.







Zone Forecast: Whitehall to Pentwater MI (LMZ848)

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