Last Update: 339 PM EDT Sun May 17 2026

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Detroit/Pontiac, MI Local Forecast Office

6NM NW Caseville MI

Marine Zone Forecast

Tonight
Northeast winds 15 to 20 knots becoming east 10 to 15 knots this evening, then becoming southeast 15 to 20 knots after midnight. Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated showers after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet this evening, then building to 2 to 4 feet after midnight.
Monday
South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late morning and afternoon. Partly cloudy early in the morning, then sunny with a slight chance of showers in the late morning and early afternoon. Partly cloudy with a chance of showers and thunderstorms early in the afternoon. Waves 2 to 4 feet.
Monday Night
Southwest winds 15 to 20 knots. Mostly cloudy. A chance of showers and thunderstorms until early morning. Waves 3 to 5 feet. Waves occasionally around 7 feet.
Tuesday
Southwest winds 20 to 25 knots increasing to 30 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers in the late morning and early afternoon. Light showers likely and a chance of thunderstorms early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.

see lake huron open lake forecast for days 3 through 5.



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339 PM EDT Sun May 17 2026
 
 

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