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 AM EDT Mon Jun 29 2026




Early This Morning: Southeast wind 10 to 15 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves 1 to 2 feet.

Today: Southeast wind 10 to 15 knots with gusts up to 24 knots. Mostly cloudy. A chance of showers and thunderstorms through early afternoon. Waves 1 to 2 feet.

Tonight: South wind 10 to 15 knots. Gusts up to 23 knots. Partly cloudy through late evening, then mostly cloudy with a slight chance of showers and thunderstorms by midnight. Waves 1 to 2 feet.

Tuesday: Southwest wind 5 to 15 knots backing southeast in the afternoon. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet.

Tuesday Night: South wind 10 to 15 knots veering southwest 5 to 15 knots after midnight. Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Waves building to 1 to 2 feet.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

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