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 Tue Sep 29 2026
Print




Rest Of Tonight: South wind 15 to 20 knots. Cloudy with a chance of showers. Waves 1 to 2 feet.

Wednesday: Southwest wind 10 to 20 knots backing south less than 10 knots late. Partly cloudy. Waves 1 to 2 feet.

Wednesday Night: South wind 10 to 15 knots veering southwest after midnight. Partly cloudy in the evening then becoming cloudy. Waves building to 1 to 2 feet.

Thursday: Northwest wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. Waves building to 2 to 4 feet.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

Visit your local NWS office at: https://www.weather.gov/mqt/