Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

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: 828 PM EDT Sun Aug 9 2026


Through Early Evening: South winds 15 to 20 knots. Cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Waves 2 to 4 feet.

Tonight: South winds 10 to 15 knots. Rain showers likely and a chance of thunderstorms in the evening, then a chance of thunderstorms and a slight chance of rain showers after midnight. Patchy fog after midnight. Waves 1 to 3 feet.

Monday: Northwest winds 10 to 15 knots. Mostly cloudy. Patchy fog. Waves 1 to 2 feet.

Monday Night: North winds 5 to 10 knots veering east in the late evening and overnight. Partly cloudy. Waves 1 foot or less.

Tuesday: East winds 5 to 10 knots veering south early in the afternoon. Partly sunny with a chance of rain showers. Waves less than 1 foot.

Tuesday Night: West winds 5 to 10 knots veering east in the late evening and overnight. Partly cloudy with a chance of rain showers. Waves less than 1 foot.

Wednesday: Northeast winds 5 to 10 knots backing northwest 10 to 15 knots in the late morning and afternoon. Partly sunny. Waves 1 foot or less.

Thursday: North winds 10 to 15 knots backing northwest 15 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 2 feet.

Friday: Northeast winds around 10 knots backing north early in the afternoon. Mostly sunny. Waves around 1 foot.







Zone Forecast: Grand Haven to Whitehall MI (LMZ847)

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