Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

Last Update: 420 AM EST Mon Nov 24 2025

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Key West, FL Local Forecast Office

5NM SE Sand Key Light FL

Marine Zone Forecast


Today
Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 4 seconds.
Tonight
East winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds.
Tuesday
East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds. Isolated showers.
Tuesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers.
Wednesday
East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. isolated showers.
Wednesday Night
East winds near 10 knots, becoming northeast to east and decreasing to 5 to 10 knots. Seas 1 to 2 feet. isolated showers.
Thursday
Northeast winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Isolated showers.
Thursday Night
North to northeast winds increasing to 15 to 20 knots. Seas building to 2 to 4 feet, occasionally to 5 feet. scattered showers.
Friday
Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. Scattered showers.
Friday Night
Northeast winds near 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. Scattered showers.



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420 AM EST Mon Nov 24 2025
 
 

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