Coastal Waters Forecast for Munising to Grand Marais MI (LSZ250) (Text-Only)
NWS Forecast for: Munising to Grand Marais MI (LSZ250)
Issued by: National Weather Service Marquette, MI
Last Update: 1101 PM EDT Sun Sep 6 2026




Rest Of Tonight: South wind less than 10 knots. Mostly clear. Waves calm to 1 foot.

Monday: South wind less than 10 knots backing east late. Partly cloudy. Waves calm to 1 foot.

Monday Night: Southeast wind 5 to 15 knots. Mostly cloudy. A chance of showers after midnight. Waves building to 1 to 2 feet.

Tuesday: South wind 15 to 20 knots with gale force gusts up to 37 knots. Showers likely in the morning, then showers and a slight chance of thunderstorms in the afternoon. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

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