Heavy Rainfall and Flooding in the Southwest and Along the East Coast
A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >
| NWS Forecast for: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) Issued by: National Weather Service Key West, FL Last Update: 1019 PM EDT Mon Sep 21 2026 |  |
Overnight: Southeast to south winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms. Tuesday: South to southwest winds near 10 knots, decreasing to 5 to 10 knots. Bay waters a light chop, becoming smooth to a light chop. Showers likely with a chance of thunderstorms. Tuesday Night: South winds 5 to 10 knots, increasing to near 10 knots. Bay waters smooth to a light chop, becoming a light chop. showers likely with a chance of thunderstorms. Wednesday: South winds 5 to 10 knots. Bay waters smooth to a light chop. Showers with a chance of thunderstorms. Wednesday Night: East to southeast winds near 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms. Thursday: East to southeast winds near 5 knots, becoming south in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms. Thursday Night: Southeast winds near 5 knots, becoming north to northeast around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. Friday: North to northeast winds 5 to 10 knots, becoming northeast to east in the afternoon. Bay waters smooth to a light chop, becoming smooth. Showers likely with a chance of thunderstorms. Friday Night: North to northeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms. Saturday: Northeast winds 5 to 10 knots. Bay waters smooth to a light chop. Showers likely with a chance of thunderstorms. Saturday Night: Northeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms. | |
| Zone Forecast: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) | |
Visit your local NWS office at: https://www.weather.gov/key |