Last Update: 1100 PM EDT Mon Aug 31 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Rest Of Tonight
West wind less than 10 knots backing southwest late. Mostly cloudy. Areas of dense fog. Waves 1 to 2 feet.
Tuesday
Southwest wind 5 to 15 knots veering west 10 to 15 knots late. Gusts up to 23 knots. Mostly sunny. Patchy dense fog through mid morning. Waves building to 1 to 2 feet.
Tuesday Night
West wind 5 to 15 knots. Gusts up to 22 knots in the evening. Partly cloudy in the evening then becoming mostly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.
Wednesday
Northwest wind less than 10 knots in the morning becoming variable. Mostly cloudy. Waves calm to 1 foot.



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1100 PM EDT Mon Aug 31 2026
 
 

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