Last Update: 501 PM EDT Tue Sep 1 2026

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Marquette, MI Local Forecast Office

3NM WNW Copper Harbor MI

Marine Zone Forecast

Late This Afternoon
Southwest wind 10 to 15 knots with gusts up to 25 knots. Mostly sunny. Waves 2 to 3 feet.
Tonight
West wind 5 to 15 knots. Gusts up to 22 knots in the evening. Partly cloudy through midnight then becoming mostly cloudy. Waves subsiding to 1 to 2 feet.
Wednesday
West wind less than 10 knots. Mostly cloudy through early afternoon then becoming mostly sunny. Waves calm to 1 foot.
Wednesday Night
Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot.
Thursday
Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Partly cloudy. Waves calm to 1 foot.



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501 PM EDT Tue Sep 1 2026
 
 

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