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: 501 PM EDT Thu Aug 13 2026
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Late This Afternoon: Variable wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

Tonight: Variable wind less than 10 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves calm to 1 foot.

Friday: North wind less than 10 knots veering northeast late. Partly cloudy. Waves calm to 1 foot.

Friday Night: East wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot.

Saturday: Southeast wind less than 10 knots. Partly cloudy. A slight chance of showers in the afternoon. Waves calm to 1 foot.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

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