Hurricane Isaias to Approach the Northern Gulf Coast on Friday
Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >
| NWS Forecast for: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074) Issued by: National Weather Service Key West, FL Last Update: 1026 AM EDT Thu Oct 8 2026 | |
| This Afternoon: South winds near 10 knots, except 5 to 10 knots off the upper keys, becoming southeast to south. Seas 1 to 2 feet. Wave detail: south 1 foot at 3 seconds. Tonight: East to southeast winds 5 to 10 knots, becoming southeast and increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet, building to 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. Friday: Southeast winds near 15 knots. Seas 2 to 3 feet, building to 3 to 4 feet, occasionally to 5 feet. West of halfmoon shoal light, seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet due to a west swell. Wave detail: east to southeast 3 feet at 4 seconds and southwest to west 2 feet at 11 seconds. A chance of showers with a slight chance of thunderstorms. Friday Night: Southeast winds near 15 knots. Seas 4 to 5 feet, occasionally to 6 feet due to a west swell. Showers likely with a chance of thunderstorms. Saturday: Southeast to south winds near 15 knots, becoming southeast and decreasing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms. Saturday Night: East to southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms. Sunday: East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. Sunday Night: East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. Monday: Northeast to east winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. Monday Night: Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. | |
| Zone Forecast: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074) | |
Visit your local NWS office at: https://www.weather.gov/key |