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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: 1100 PM EDT Wed Jun 17 2026		Print



Rest Of Tonight: North wind 10 to 15 knots backing northwest late. Rain showers likely by midnight, then a chance of rain showers late. Waves calm to 1 foot building to 2 to 3 feet.

Thursday: Northwest wind 15 to 20 knots. Mostly cloudy. A slight chance of rain showers through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet.

Thursday Night: West wind 10 to 15 knots. Partly cloudy. Waves subsiding to 2 to 4 feet.

Friday: Northwest wind 10 to 15 knots. Sunny. Waves subsiding to 2 to 3 feet.






Zone Forecast: Munising to Grand Marais MI (LSZ250)

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