National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Last Update: 1101 PM EDT Tue Sep 22 2026

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Marquette, MI Local Forecast Office

3NM WNW Copper Harbor MI

Marine Zone Forecast

Rest Of Tonight
Southeast wind less than 10 knots with gusts up to 17 knots. Clear. Waves 1 to 2 feet.
Wednesday
Southeast wind 5 to 15 knots becoming 10 to 15 knots late. Sunny. Waves building to 2 to 3 feet.
Wednesday Night
Southeast wind 10 to 15 knots veering south after midnight. Clear. Waves subsiding to 1 to 2 feet.
Thursday
South wind 10 to 15 knots backing southeast in the afternoon. Mostly cloudy. Waves 1 to 2 feet.



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Last Update:
1101 PM EDT Tue Sep 22 2026
 
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