Last Update: 503 PM EDT Fri May 15 2026

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Marquette, MI Local Forecast Office

6NM SSE Thompson MI

Marine Zone Forecast

Late This Afternoon
South wind 20 to 25 knots with gale force gusts up to 34 knots. Sunny. Waves 5 to 8 feet occasionally to 10 feet building to 6 to 9 feet occasionally to 11 feet.
Tonight
Southwest wind up to 30 knots diminishing to 10 to 15 knots late. Mostly clear through late evening then becoming cloudy. A chance of showers and a slight chance of thunderstorms through the night. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
Saturday
Southwest wind 10 to 15 knots veering west late. Mostly cloudy through mid morning then clearing. Waves subsiding to 2 to 3 feet.
Saturday Night
Northeast wind less than 10 knots. Clear. Waves subsiding to 1 to 2 feet.
Sunday
Northeast wind 5 to 15 knots veering east 15 to 20 knots in the afternoon. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 4 feet.



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503 PM EDT Fri May 15 2026
 
 

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