Hazardous Weather Conditions

Last Update: 502 AM EDT Mon Sep 15 2025

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Early This Morning
Southeast wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet.
Today
Southeast wind 10 to 15 knots. Sunny. Patchy fog through mid morning. Waves building to 2 to 3 feet.
Tonight
South wind 10 to 20 knots becoming 10 to 15 knots late. Mostly clear. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet.
Tuesday
South wind 5 to 15 knots backing southeast less than 10 knots in the afternoon. Sunny. Waves 1 to 2 feet.
Tuesday Night
South wind less than 10 knots veering southwest after midnight. Mostly clear. Waves calm to 1 foot.



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502 AM EDT Mon Sep 15 2025
 
 

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