Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley
Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >
| NWS Forecast for: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) Issued by: National Weather Service Key West, FL Last Update: 1028 PM EDT Wed Sep 9 2026 | |
Overnight: East winds 10 to 15 knots. Seas around 1 foot, except building to 1 to 2 feet west of the marquesas keys. nearshore waters a light to moderate chop. A chance of showers and thunderstorms. Thursday: East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Showers likely with a chance of thunderstorms. Thursday Night: East to southeast winds 10 to 15 knots. Seas round 1 foot, except building to 1 to 2 feet west of the marquesas keys. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. Friday: East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. A chance of showers with a slight chance of thunderstorms. Friday Night: East to southeast winds 10 to 15 knots. Seas around 1 foot, except building to 1 to 2 feet west of the marquesas keys. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms. Saturday: East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Showers likely with a chance of thunderstorms. Saturday Night: East to southeast winds 10 to 15 knots. Seas around 1 foot. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms. Sunday: Southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Thunderstorms likely. Showers likely. Sunday Night: East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. A chance of showers and thunderstorms. Monday: East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. A chance of showers and thunderstorms. Monday Night: Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms. | |
| Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) | |
Visit your local NWS office at: https://www.weather.gov/key |