Last Update: 502 AM EDT Fri Sep 19 2025

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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. Partly cloudy. Waves 2 to 3 feet.
Today
East wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 4 feet.
Tonight
East wind 10 to 20 knots veering southeast 15 to 20 knots late. Partly cloudy. A slight chance of showers and thunderstorms late. Waves 2 to 4 feet.
Saturday
Southeast wind 15 to 20 knots with gusts up to 29 knots. Partly cloudy. A chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
Saturday Night
Southeast wind 10 to 15 knots with gusts up to 23 knots. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Waves subsiding to 2 to 3 feet.



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502 AM EDT Fri Sep 19 2025
 
 

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