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: 418 AM EDT Sun Jun 21 2026




Today: Southeast winds 5 to 10 knots, briefly becoming variable near 5 knots in the afternoon. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds.

Tonight: North to northeast winds 5 to 10 knots early, increasing to near 10 knots, then becoming east to southeast after midnight. Seas around 1 foot. Wave detail: northeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms.

Monday: East to southeast winds near 10 knots. Seas 1 to 2 feet, building to around 2 feet. Wave detail: east to southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms.

Monday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

Tuesday: East to southeast winds 10 to 15 knots, becoming northeast to east and briefly decreasing to near 10 knots. Seas 2 to 3 feet.

Tuesday Night: Northeast to east winds 10 to 15 knots, becoming east near 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. A slight chance of showers and thunderstorms.

Wednesday: East winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms.

Wednesday Night: East winds near 10 knots. Seas around 2 feet. a slight chance of showers and thunderstorms.

Thursday: East to southeast winds near 10 knots. Seas around 2 feet.

Thursday Night: East to southeast winds 10 to 15 knots. Seas 2 to 3 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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