Coastal Waters Forecast for Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM (GMZ054) (Text-Only)
NWS Forecast for: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM (GMZ054)
Issued by: National Weather Service Key West, FL
Last Update: 428 PM EDT Sat May 30 2026


Tonight: Variable winds 5 to 10 knots, becoming south. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds. A slight chance of showers.

Sunday: South winds near 5 knots. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms.

Sunday Night: Southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. Wave detail: east to southeast 1 foot at 3 seconds.

Monday: South winds near 5 knots, becoming variable. Seas 1 foot or less. A slight chance of showers and thunderstorms.

Monday Night: Variable winds near 5 knots. Seas 1 foot or less.

Tuesday: Northwest winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.

Tuesday Night: Variable winds near 5 knots, increasing to 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms.

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

Wednesday Night: East winds 5 to 10 knots, increasing to near 10 knots. Seas building to 2 to 3 feet due to a northeasterly swell. A chance of showers with a slight chance of thunderstorms.

Thursday And Thursday Night: Northeast to east winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms.







Zone Forecast: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM (GMZ054)

Visit your local NWS office at: https://www.weather.gov/key