Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Hazardous Weather Conditions
Last Update: 501 AM EST Tue Dec 30 2025
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Early This Morning
Northwest wind 20 to 25 knots. Mostly cloudy. Freezing spray. Waves 6 to 9 feet occasionally to 11 feet subsiding to 5 to 8 feet occasionally to 10 feet.
Today
Northwest wind 10 to 20 knots with gusts up to 27 knots. Cloudy. Freezing spray through mid morning. A slight chance of snow showers through mid morning, then a chance of snow showers by late morning. Waves subsiding to 2 to 3 feet.
Tonight
North wind 15 to 25 knots with gusts up to 33 knots. Cloudy with a chance of snow showers. Freezing spray by midnight. Waves building to 5 to 8 feet occasionally to 10 feet.
Wednesday
Northwest wind up to 30 knots with gale force gusts up to 38 knots. Cloudy with a chance of snow showers. Heavy freezing spray. Waves building to 8 to 11 feet occasionally to 14 feet.
Wednesday Night
Northwest wind up to 30 knots with gale force gusts up to 38 knots. Mostly cloudy. A slight chance of snow showers in the evening. Heavy freezing spray through the night. Waves subsiding to 7 to 10 feet occasionally to 13 feet, then building to 8 to 11 feet occasionally to 14 feet.
note: wave height forecasts are for ice free areas.
note: wave height forecasts are for ice free areas.
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