Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

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: 223 AM EDT Sat Sep 19 2026


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

Saturday: East winds 15 to 25 knots. Rain showers and a slight chance of thunderstorms. Waves 1 to 3 feet.

Saturday Night: East winds 10 to 20 knots backing northeast after midnight. Rain showers likely and a slight chance of thunderstorms. Patchy fog. Waves 1 to 2 feet.

Sunday: Northeast winds to 30 knots. Partly sunny. Waves 2 to 4 feet building to 3 to 5 feet early in the afternoon.

Sunday Night: Northeast winds to 30 knots decreasing to 15 to 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight.

Monday: Northeast winds 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet.

Tuesday: Northeast winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet.

Wednesday: Northeast winds 15 to 20 knots. Partly sunny. Waves around 1 foot.







Zone Forecast: Whitehall to Pentwater MI (LMZ848)

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