Last Update: 1101 PM EDT Tue Sep 29 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. Cloudy. A chance of showers by midnight. Waves 2 to 4 feet subsiding to 2 to 3 feet.
Wednesday
Southwest wind 5 to 15 knots with gusts up to 25 knots. Partly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet.
Wednesday Night
Southwest wind less than 10 knots veering west 10 to 15 knots after midnight. Partly cloudy in the evening then becoming cloudy. Waves 1 to 2 feet.
Thursday
West wind 15 to 20 knots with gusts up to 28 knots. Mostly cloudy. Waves building to 2 to 4 feet.



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1101 PM EDT Tue Sep 29 2026
 
 

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