Last Update: 500 AM EDT Fri Sep 18 2026

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Marquette, MI Local Forecast Office

3NM WNW Copper Harbor MI

Marine Zone Forecast

Early This Morning
East wind 10 to 15 knots. Clear. Waves 1 to 2 feet building to 2 to 3 feet.
Today
East wind 10 to 15 knots. Mostly sunny. Waves subsiding to 1 to 2 feet.
Tonight
Southeast wind less than 10 knots becoming 5 to 15 knots by midnight. Mostly clear. Waves 1 to 2 feet.
Saturday
Southeast wind less than 10 knots backing east in the afternoon. Mostly sunny. Waves calm to 1 foot.
Saturday Night
Variable wind less than 10 knots becoming north 10 to 20 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves building to 2 to 3 feet.



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500 AM EDT Fri Sep 18 2026
 
 

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