Last Update: 1101 PM EDT Mon May 25 2026

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Marquette, MI Local Forecast Office

3NM WNW Copper Harbor MI

Marine Zone Forecast

Rest Of Tonight
Southwest wind 10 to 15 knots veering west late. Gusts up to 23 knots. Mostly cloudy with a slight chance of showers and thunderstorms by midnight, then partly cloudy with a slight chance of showers late. Waves 1 to 2 feet building to 2 to 3 feet, then subsiding to 1 to 2 feet.
Tuesday
Northwest wind 5 to 15 knots with gusts up to 22 knots through early afternoon becoming variable. Mostly sunny. Waves subsiding to 1 to 2 feet.
Tuesday Night
South wind less than 10 knots backing east after midnight. Mostly clear. Waves calm to 1 foot.
Wednesday
Northeast wind less than 10 knots backing north in the afternoon. Mostly sunny. Waves building to 1 to 2 feet.



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1101 PM EDT Mon May 25 2026
 
 

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