Areas of Severe Thunderstorms and Heat
Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >
| 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: 1039 AM EDT Thu Aug 20 2026 | |
| This Afternoon: Variable winds near 5 knots. Seas around 1 foot. Tonight: Northeast to east winds 5 to 10 knots, becoming southeast. Seas 1 to 2 feet. Friday: East to southeast winds near 5 knots. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds. Friday Night: East winds 5 to 10 knots. Seas 1 to 2 feet. Saturday: East winds near 5 knots. Seas around 1 foot. Saturday Night: East winds 5 to 10 knots. Seas 1 to 2 feet. Sunday: East winds 5 to 10 knots. Seas 1 to 2 feet. Sunday Night: East winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. Monday: East winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers. Monday Night: East winds near 10 knots. Seas 1 to 3 feet. A chance of showers and thunderstorms. | |
| 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 |