Last Update: 1101 AM EDT Tue Aug 18 2026

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Marquette, MI Local Forecast Office

3NM WNW Copper Harbor MI

Marine Zone Forecast

Rest Of Today
Northwest wind 10 to 15 knots backing west late. Gusts up to 22 knots. Mostly sunny. Waves 1 to 2 feet.
Tonight
West wind 5 to 15 knots veering northwest less than 10 knots late. Mostly clear. Waves 1 to 2 feet.
Wednesday
Northwest wind less than 10 knots. Sunny. Waves 1 to 2 feet.
Wednesday Night
South wind less than 10 knots. Mostly clear. Waves calm to 1 foot.



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1101 AM EDT Tue Aug 18 2026
 
 

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