Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

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: 1100 PM EST Wed Jan 28 2026
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Rest Of Tonight: Northeast wind 10 to 20 knots veering southeast 10 to 15 knots late. Heavy freezing spray by midnight. Snow showers. Waves 4 to 7 feet occasionally to 9 feet subsiding to 3 to 6 feet occasionally to 8 feet.

Thursday: Southeast wind 5 to 15 knots backing northeast 10 to 15 knots late. Mostly cloudy with a chance of snow showers. Waves subsiding to 2 to 4 feet.

Thursday Night: Northeast wind 10 to 15 knots. Mostly cloudy with a chance of snow showers. Waves 2 to 4 feet.

Friday: North wind 15 to 25 knots. Cloudy. A chance of snow showers in the morning, then snow showers likely in the afternoon. Heavy freezing spray through the day. Waves building to 5 to 8 feet occasionally to 10 feet.

note: wave height forecasts are for ice free areas.







Zone Forecast: Munising to Grand Marais MI (LSZ250)

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