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: 418 PM EST Mon Dec 29 2025

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Key West, FL Local Forecast Office

33NM SSE Molasses Reef Light FL

Marine Zone Forecast

Tonight

Northwest winds 5 to 10 knots, increasing to near 10 knots. Seas building to 1 to 2 feet. Wave detail: northwest to north 1 foot at 2 seconds and northeast 1 foot at 8 seconds.

Tuesday

Northwest winds increasing to near 15 knots early. seas building to 2 to 3 feet. Wave detail: northwest to north 2 feet at 3 seconds and north to northeast 1 foot at 10 seconds. isolated showers.

Tuesday Night

Northwest to north winds near 15 knots, increasing to near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 5 to 6 feet, occasionally to 7 feet. Wave detail: northwest 2 feet at 3 seconds and north to northeast 1 foot at 6 seconds, becoming north 2 feet at 5 seconds.

Wednesday

North winds near 20 knots, becoming northwest to north 10 to 15 knots in the afternoon. Seas 5 to 6 feet, occasionally to 7 feet, subsiding to 2 to 4 feet, occasionally to 5 feet.

Wednesday Night

Northwest to north winds 10 to 15 knots. Seas 2 to 3 feet.

Thursday

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

Thursday Night

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

Friday

North to northeast winds 5 to 10 knots. Seas 1 to 2 feet.

Friday Night

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

Saturday

South winds near 5 knots. Seas around 1 foot.