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: 1037 AM EDT Tue Sep 23 2025


This Afternoon: East to southeast winds near 10 knots, becoming northeast to east and decreasing to 5 to 10 knots. Seas 1 to 3 feet, subsiding to 1 to 2 feet. Wave detail: east to southeast 2 feet at 4 seconds. Scattered showers and thunderstorms.

Tonight: Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet, building to around 2 feet. Wave detail: east 1 foot at 4 seconds. Scattered showers and isolated thunderstorms.

Wednesday: Northeast to east winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet. Wave detail: east 1 foot at 4 seconds. Scattered showers and isolated thunderstorms.

Wednesday Night: Northeast to east winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms.

Thursday: Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms.

Thursday Night: Northeast winds near 5 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.

Friday: Northeast winds near 5 knots. Seas 1 to 2 feet. isolated showers and thunderstorms.

Friday Night: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. isolated showers and thunderstorms.

Saturday: North winds near 5 knots, becoming northwest to north and increasing to 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.

Saturday Night: Northwest to north winds 5 to 10 knots, becoming north to northeast. Seas 1 to 2 feet. Isolated showers and thunderstorms.







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

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