Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Last Update: 423 AM EST Mon Dec 29 2025

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Key West, FL Local Forecast Office

12NM SSW Tennessee Reef Light FL

Marine Zone Forecast

Today

Northeast to east winds near 5 knots, becoming north late. Seas around 1 foot. Wave detail: east 1 foot at 4 seconds.

Tonight

Northwest to north winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Wave detail: northeast to east 1 foot at 4 seconds. Isolated showers.

Tuesday

Northwest to north winds increasing to near 20 knots early. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave detail: northeast 1 foot at 4 seconds, becoming north to northeast 1 foot at 3 seconds. Isolated showers.

Tuesday Night

North winds near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

Wednesday

North winds 15 to 20 knots, decreasing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 3 to 4 feet, occasionally to 5 feet.

Wednesday Night

North winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.

Thursday

North winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet.

Thursday Night

North to northeast winds near 10 knots. Seas 1 to 2 feet.

Friday

Northeast winds 5 to 10 knots. Seas 1 to 2 feet.

Friday Night

East winds 5 to 10 knots. Seas 1 to 2 feet.