Last Update: 501 AM EDT Tue Sep 29 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Early This Morning
South wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet.
Today
South wind 10 to 15 knots with gusts up to 26 knots. Cloudy. A slight chance of showers late. Waves building to 2 to 4 feet.
Tonight
South wind 10 to 15 knots. Cloudy. A chance of showers through midnight. Waves subsiding to 1 to 2 feet.
Wednesday
Southwest wind 5 to 15 knots. Partly cloudy. Waves 1 to 2 feet.
Wednesday Night
Southwest wind less than 10 knots veering west 10 to 15 knots after midnight. Gusts up to 22 knots. Partly cloudy in the evening then becoming cloudy. Waves building to 2 to 3 feet.



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501 AM EDT Tue Sep 29 2026
 
 

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