| 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: 1036 PM EDT Sun Jul 19 2026 | |
Overnight: South to southwest winds 10 to 15 knots, becoming southeast to south and increasing to near 15 knots. Seas 1 to 2 feet. Wave detail: east to southeast 2 feet at 5 seconds and west to northwest 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms. Monday: South winds 10 to 15 knots. Seas 1 to 2 feet. Wave detail: east to southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms. Monday Night: Southeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave detail: east to southeast 3 feet at 4 seconds. Tuesday: East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Tuesday Night: East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. Wednesday: East winds near 10 knots. Seas around 2 feet. Wednesday Night: East winds 10 to 15 knots. Seas around 2 feet. Thursday: East winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers. Thursday Night: East winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. Friday: East winds 5 to 10 knots. Seas 1 to 2 feet. Friday Night: East to southeast winds near 10 knots. 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) | |
Visit your local NWS office at: https://www.weather.gov/key |