Last Update: 1100 AM EDT Mon Jul 20 2026

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Marquette, MI Local Forecast Office

6NM SSE Thompson MI

Marine Zone Forecast

Rest Of Today
South wind up to 30 knots with gale force gusts up to 37 knots. Partly cloudy. A slight chance of showers and thunderstorms by late morning, then a chance of showers and thunderstorms late. Some thunderstorms may be severe. Some thunderstorms may be severe. Waves 3 to 5 feet occasionally to 7 feet building to 6 to 9 feet occasionally to 11 feet.
Tonight
Southwest wind 15 to 25 knots with gale force gusts up to 34 knots diminishing to 10 to 20 knots with gale force gusts up to 34 knots by midnight, then veering west 10 to 15 knots with gusts up to 22 knots late. Mostly cloudy through late evening then becoming mostly clear. Patchy smoke through midnight. Showers likely and a chance of thunderstorms through late evening. A slight chance of thunderstorms by midnight. A slight chance of showers by midnight. Some thunderstorms may be severe. Some thunderstorms may be severe. Waves subsiding to 2 to 4 feet.
Tuesday
Northwest wind 15 to 25 knots becoming 20 to 25 knots in the afternoon. Gale force gusts up to 35 knots. Partly cloudy. A slight chance of showers in the morning. Waves building to 3 to 6 feet occasionally to 8 feet.
Tuesday Night
North wind 15 to 25 knots with gale force gusts up to 34 knots. Mostly clear. Waves subsiding to 2 to 4 feet.



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1100 AM EDT Mon Jul 20 2026
 
 

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