Last Update: 501 PM EDT Wed Aug 26 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Late This Afternoon
West wind 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet.
Tonight
West wind 10 to 15 knots veering northwest by midnight. Gusts up to 26 knots. Mostly cloudy through late evening then becoming partly cloudy. A slight chance of showers through late evening. Waves building to 2 to 3 feet.
Thursday
North wind 5 to 15 knots. Mostly sunny. Waves subsiding to 1 to 2 feet.
Thursday Night
Northwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot.
Friday
Variable wind less than 10 knots. Sunny. Waves calm to 1 foot.



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501 PM EDT Wed Aug 26 2026
 
 

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