Last Update: 1001 AM EDT Wed Jul 9 2025

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Marquette, MI Local Forecast Office

30NM SE Grand Portage MN

Marine Zone Forecast

Rest Of Today
North winds less than 10 knots backing west late. Waves calm to 2 feet.
Tonight
West winds less than 10 knots backing southwest after midnight. Waves calm to 2 feet.
Thursday
East winds less than 10 knots increasing to 5 to 15 knots in the afternoon. Waves calm to 2 feet.
Thursday Night
East winds 5 to 15 knots veering south after midnight. A slight chance of showers and thunderstorms after midnight. Waves calm to 2 feet.
Friday
South winds 5 to 15 knots backing east by mid afternoon. A chance of showers. A slight chance of thunderstorms by mid afternoon. Waves calm to 2 feet.
Friday Night
East winds 5 to 15 knots backing northeast after midnight. Showers likely and a chance of thunderstorms. Waves calm to 2 feet.
Saturday
West winds 5 to 15 knots. A chance of showers. Waves calm to 2 feet.
Sunday
Southwest winds 10 to 20 knots diminishing to 5 to 15 knots. A chance of showers. Waves calm to 2 feet.



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1001 AM EDT Wed Jul 9 2025
 
 

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