Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.
A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >
Hazardous Weather Conditions
Last Update: 1100 AM EST Sat Dec 27 2025
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Rest Of Today
Southeast wind 10 to 20 knots with gusts up to 29 knots. Cloudy. A slight chance of rain showers by late morning, then a chance of rain showers late. Waves 1 to 2 feet building to 3 to 6 feet occasionally to 8 feet.
Tonight
South wind 10 to 20 knots with gusts up to 30 knots. Cloudy. A chance of rain showers through late evening, then a slight chance of rain showers by midnight. A chance of rain showers late. Waves subsiding to 2 to 3 feet.
Sunday
Southeast wind less than 10 knots backing northeast 10 to 20 knots with gusts up to 30 knots in the afternoon. Cloudy. A chance of rain showers in the morning, then rain and snow possibly mixed with sleet in the afternoon. Waves subsiding to 1 to 2 feet, then building to 3 to 5 feet occasionally to 7 feet.
Sunday Night
North gales to 45 knots. Storm force gusts up to 49 knots increasing to storm force gusts up to 59 knots after midnight. Snow possibly mixed with rain in the evening, then snow after midnight. Heavy freezing spray after midnight. Waves building to 17 to 22 feet occasionally to 28 feet.
note: wave height forecasts are for ice free areas.
note: wave height forecasts are for ice free areas.
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