
Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East
Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >
Hazardous Weather Conditions
Last Update: 1000 PM EST Sun Jan 18 2026
For More Weather Information:
30NM SE Grand Portage MN
Marine Zone Forecast
Rest Of Tonight
North gales to 35 knots. Heavy freezing spray. Snow showers. Waves 5 to 8 feet occasionally to 10 feet building to 8 to 11 feet occasionally to 14 feet.
Monday
Northwest gales to 35 knots diminishing to 20 to 30 knots. Heavy freezing spray. Snow showers likely. Waves subsiding to 5 to 8 feet occasionally to 10 feet.
Monday Night
Northwest winds 15 to 25 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
Tuesday
West winds 15 to 25 knots. A slight chance of snow showers. Waves 3 to 6 feet occasionally to 8 feet.
Tuesday Night
West winds 15 to 25 knots diminishing to 10 to 20 knots after midnight. Waves subsiding to 2 to 4 feet.
Wednesday
West winds 10 to 20 knots becoming northwest 15 to 25 knots in the afternoon. A chance of snow showers. Waves subsiding to 1 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet.
Wednesday Night
Northwest winds 20 to 30 knots diminishing to 15 to 25 knots after midnight. Heavy freezing spray. Waves building to 3 to 6 feet occasionally to 8 feet.
Thursday
Northwest winds 15 to 25 knots. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
Friday
Northwest winds 15 to 25 knots. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
note, wave height forecasts are for ice free areas.
note, wave height forecasts are for ice free areas.
Additional Forecasts and Information
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