Last Update: 1100 PM EDT Tue Aug 25 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Rest Of Tonight
South wind 10 to 15 knots veering southwest less than 10 knots late. Cloudy. A chance of showers and thunderstorms by midnight, then a chance of showers and a slight chance of thunderstorms late. Waves 1 to 2 feet.
Wednesday
West wind 10 to 15 knots. Mostly cloudy. A chance of showers through mid morning, then a slight chance of showers by late morning. Waves 1 to 2 feet.
Wednesday Night
Northwest wind 10 to 15 knots. Gusts up to 24 knots. Partly cloudy. Waves 1 to 2 feet.
Thursday
North wind 5 to 15 knots. Mostly sunny. Waves 1 to 2 feet.



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1100 PM EDT Tue Aug 25 2026
 
 

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