Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. 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: 1106 PM EDT Tue Aug 18 2026




Rest Of Tonight: West winds 10 to 15 knots veering northwest after midnight. Partly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet.

Wednesday: North winds 10 to 15 knots backing northwest early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

Wednesday Night: North winds 5 to 15 knots veering east after midnight. Mostly clear. Waves around 1 foot.

Thursday: East winds 5 to 10 knots veering southwest early in the afternoon. Sunny. Waves 1 foot or less.

Thursday Night: South winds 10 to 15 knots. Partly cloudy. Waves around 1 foot.

Friday: Southwest winds 15 to 20 knots. Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon.

Saturday: Northwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet.

Sunday: North winds 15 to 25 knots backing northwest to 30 knots early in the afternoon. Sunny. Waves 4 to 6 feet.







Zone Forecast: Grand Haven to Whitehall MI (LMZ847)

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