Last Update: 416 AM EDT Tue Sep 16 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 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Wave detail: northeast to east 3 feet at 4 seconds. Scattered showers and isolated thunderstorms.
Tonight
Northeast to east winds near 10 knots, increasing to 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast to east 3 feet at 5 seconds. Numerous showers and scattered thunderstorms.
Wednesday
Northeast to east winds increasing to near 15 knots. Seas building to 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast to east 4 feet at 5 seconds. Numerous showers and scattered thunderstorms.
Wednesday Night
Northeast to east winds increasing to 15 to 20 knots. Seas building to 3 to 5 feet, occasionally to 6 feet. numerous showers and scattered thunderstorms.
Thursday
Northeast to east winds decreasing to 10 to 15 knots. Seas subsiding to 2 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms.
Thursday Night
East winds 10 to 15 knots, decreasing to near 10 knots. Seas subsiding to 2 to 3 feet. Numerous showers and scattered thunderstorms.
Friday
Northeast winds decreasing to 5 to 10 knots. Seas subsiding to 1 to 2 feet. Numerous showers and scattered thunderstorms.
Friday Night Through Saturday Night
Northeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and thunderstorms.



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416 AM EDT Tue Sep 16 2025
 
 

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