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: 1035 AM EDT Fri May 1 2026


This Afternoon: East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east to southeast 1 foot at 3 seconds.

Tonight: Southeast winds near 10 knots, increasing to near 15 knots. Seas building to 2 to 3 feet. Wave detail: east to southeast 2 feet at 4 seconds.

Saturday: South winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Wave detail: southeast to south 2 feet at 4 seconds.

Saturday Night: Southeast winds 5 to 10 knots, becoming south to southwest. Seas 1 to 2 feet. A slight chance of showers and thunderstorms.

Sunday: Southwest to west winds 5 to 10 knots, becoming northwest near 10 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of rebecca shoal. A chance of showers and thunderstorms.

Sunday Night: North to northeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 4 feet. A chance of showers and thunderstorms.

Monday: Northeast winds near 10 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms.

Monday Night And Tuesday: East winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

Tuesday Night: East winds 5 to 10 knots, becoming southeast. seas 1 to 2 feet. A slight chance of showers.







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

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