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: 1103 PM EDT Sun May 10 2026


Rest Of Tonight: Northwest wind 5 to 15 knots. Clear. Waves 2 to 3 feet subsiding to 1 to 2 feet.

Monday: Northwest wind less than 10 knots veering northeast late. Sunny. Waves 1 to 2 feet.

Monday Night: Southeast wind less than 10 knots veering south 10 to 20 knots after midnight. Clear in the evening then becoming partly cloudy. Waves building to 1 to 2 feet.

Tuesday: South wind 15 to 20 knots with gusts up to 29 knots. Rain showers. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

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