Hazardous Weather Conditions

Last Update: 502 PM EDT Mon May 25 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Late This Afternoon
Southeast wind less than 10 knots. Sunny. Waves calm to 1 foot.
Tonight
South wind 10 to 15 knots veering west late. Gusts up to 23 knots. Mostly clear then becoming mostly cloudy by midnight then becoming partly cloudy. A chance of showers through late evening. A slight chance of thunderstorms through midnight. A slight chance of showers by midnight. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.
Tuesday
Northwest wind 5 to 15 knots with gusts up to 22 knots through early afternoon becoming variable. Mostly sunny. Waves subsiding to 1 to 2 feet.
Tuesday Night
South wind less than 10 knots backing east after midnight. Mostly clear. Waves calm to 1 foot.
Wednesday
Northeast wind less than 10 knots backing north in the afternoon. Mostly sunny. Waves building to 1 to 2 feet.



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502 PM EDT Mon May 25 2026
 
 

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