Last Update: 1036 AM EDT Sun Aug 9 2026

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Key West, FL Local Forecast Office

33NM S Sand Key Light FL

Marine Zone Forecast


This Afternoon
East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east to southeast 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms.
Tonight
East winds increasing to 15 to 20 knots in the evening. Seas building to 3 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms.
Monday
East winds near 15 knots, decreasing to 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east to southeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms.
Monday Night
East winds increasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms.
Tuesday
East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms.
Tuesday Night
East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms.
Wednesday
East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.
Wednesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet.
Thursday
East winds near 10 knots. Seas 2 to 3 feet.
Thursday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.



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1036 AM EDT Sun Aug 9 2026
 
 

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