Last Update: 430 PM EDT Sat May 16 2026

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Key West, FL Local Forecast Office

16NM NNW Vaca Cut FL

Marine Zone Forecast


Tonight
East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of the marquesas keys. Nearshore waters a light to moderate chop, becoming a moderate chop. A chance of showers with a slight chance of thunderstorms.
Sunday
East to southeast winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. A chance of showers with a slight chance of thunderstorms.
Sunday Night
East winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters choppy. A chance of showers with a slight chance of thunderstorms.
Monday
East to southeast winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters choppy. A chance of showers with a slight chance of thunderstorms.
Monday Night
East winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters choppy. A chance of showers with a slight chance of thunderstorms.
Tuesday
East winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. A chance of showers with a slight chance of thunderstorms.
Tuesday Night
East winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. A slight chance of showers and thunderstorms.
Wednesday And Wednesday Night
East winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms.
Thursday And Thursday Night
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms.



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430 PM EDT Sat May 16 2026
 
 

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