Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Last Update: 433 PM EST Thu Jan 29 2026

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Key West, FL Local Forecast Office

6NM WNW Pulaski Shoal Light FL

Marine Zone Forecast


Tonight
Northeast winds near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Wave detail: north 3 feet at 5 seconds. Isolated showers.
Friday
North winds 10 to 15 knots. Seas 1 to 2 feet. Wave detail: north to northeast 2 feet at 4 seconds. Isolated showers.
Friday Night
Northwest to north winds near 10 knots, becoming west to northwest. Seas 1 to 2 feet. Wave detail: northwest to north 2 feet at 4 seconds. Scattered showers.
Saturday
West to northwest winds 15 to 20 knots, becoming northwest 30 to 35 knots in the afternoon. Seas 1 to 3 feet, building to 7 to 10 feet, occasionally to 13 feet. Widespread showers.
Saturday Night
Northwest winds near 35 knots, decreasing to 30 to 35 knots. Seas 12 to 16 feet, occasionally to 20 feet. scattered showers.
Sunday
Northwest to north winds near 30 knots, decreasing to 25 to 30 knots. Seas 11 to 15 feet, occasionally to 19 feet, subsiding to 9 to 12 feet, occasionally to 15 feet. Isolated showers.
Sunday Night
Northwest to north winds near 25 knots, decreasing to near 20 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 8 feet, occasionally to 10 feet.
Monday
North winds 15 to 20 knots, decreasing to near 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet in the afternoon.
Monday Night
North to northeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Tuesday
Northeast winds decreasing to 10 to 15 knots. Seas subsiding to 2 to 3 feet.
Tuesday Night
Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet.



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433 PM EST Thu Jan 29 2026
 
 

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