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: 502 AM EDT Tue Aug 4 2026
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Early This Morning: South wind 10 to 15 knots with gusts up to 22 knots. Mostly clear. Waves 1 to 2 feet.

Today: South wind 10 to 15 knots veering west less than 10 knots late. Gusts up to 22 knots. Mostly sunny through mid morning, then mostly cloudy with a chance of showers and a slight chance of thunderstorms by late morning. Cloudy with showers likely and a slight chance of thunderstorms late. Waves 1 to 2 feet.

Tonight: Variable wind less than 10 knots becoming northwest less than 10 knots late. Mostly cloudy. Waves 1 to 2 feet.

Wednesday: Variable wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

Wednesday Night: Southeast wind less than 10 knots veering south after midnight. Partly cloudy. Waves calm to 1 foot.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

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