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 AM EDT Tue Mar 31 2026
Print




Rest Of Today: Northeast wind 10 to 20 knots becoming 10 to 15 knots late. Cloudy. A chance of rain showers possibly mixed with freezing rain and snow showers by late morning, then a slight chance of freezing rain and snow showers late. Patchy fog through the day. Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet.

Tonight: North wind 10 to 20 knots becoming 15 to 20 knots late. Mostly cloudy. A slight chance of snow showers through midnight. Waves building to 3 to 5 feet occasionally to 7 feet.

Wednesday: Northeast wind 10 to 20 knots. Mostly cloudy. Waves subsiding to 2 to 3 feet.

Wednesday Night: East wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. A chance of snow after midnight. 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/