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Marquette to Munising MI Marine Forecast

Updated 11:00pm EDT Aug 26, 2026
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Small Craft Advisory In Effect Through Thursday Afternoon
Rest Of Tonight
Northwest wind 15 to 20 knots with gale force gusts up to 37 knots. Cloudy. Waves 2 to 4 feet building to 3 to 6 feet occasionally to 8 feet.
Thursday
North wind 10 to 20 knots. Gale force gusts up to 35 knots in the morning. Partly cloudy through early afternoon then clearing. Waves subsiding to 1 to 2 feet.
Thursday Night
Northwest wind less than 10 knots. Mostly clear. Waves 1 to 2 feet.
Friday
Northwest wind less than 10 knots veering northeast in the afternoon. Sunny. Waves calm to 1 foot.