Last Update: 502 PM EDT Sun Aug 2 2026

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Marquette, MI Local Forecast Office

3NM WNW Copper Harbor MI

Marine Zone Forecast

Late This Afternoon
Variable wind less than 10 knots. Sunny. Waves calm to 1 foot.
Tonight
Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot.
Monday
South wind less than 10 knots backing southeast 5 to 15 knots by late morning. Mostly sunny. Waves building to 1 to 2 feet.
Monday Night
Southeast wind 10 to 15 knots veering south after midnight. Gusts up to 22 knots. Mostly cloudy. Waves building to 2 to 3 feet.
Tuesday
Southwest wind 10 to 15 knots veering west in the afternoon. Gusts up to 26 knots. Mostly cloudy with a slight chance of showers. Waves building to 2 to 4 feet.



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502 PM EDT Sun Aug 2 2026
 
 

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