Coastal Waters Forecast for Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055) (Text-Only)
NWS Forecast for: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055)
Issued by: National Weather Service Key West, FL
Last Update: 427 AM EDT Fri May 22 2026


Today: East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet, occasionally to 5 feet. Wave detail: east to southeast 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms.

Tonight: East to southeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms.

Saturday: East to southeast winds 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.

Saturday Night: East winds near 15 knots, becoming east to southeast. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms.

Sunday: East to southeast winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms.

Sunday Night: East winds 15 to 20 knots, becoming east to southeast. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms.

Monday: East to southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms.

Monday Night: East to southeast winds near 20 knots. Seas 4 to 7 feet, occasionally to 9 feet. A chance of showers with a slight chance of thunderstorms.

Tuesday And Tuesday Night: East to southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms.







Zone Forecast: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055)

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