Dangerous Heat and Possible Flooding This Week
Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. 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: 1024 AM EDT Tue Sep 15 2026 |  |
This Afternoon: East to southeast winds 5 to 10 knots, becoming northeast to east 10 to 15 knots. Seas 1 foot or less, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light to moderate chop. A chance of showers and thunderstorms. Tonight: Northeast to east winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. Showers likely with a chance of thunderstorms. Wednesday: East winds 10 to 15 knots. Seas 1 to 2 feet, except around 2 feet west of the marquesas keys. Nearshore waters a light to moderate chop. Showers likely with a chance of thunderstorms. Wednesday Night: East winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. Showers likely with a chance of thunderstorms. Thursday: East winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet, except around 2 feet west of the marquesas keys. Nearshore waters a light to moderate chop, becoming a light chop. Showers with a chance of thunderstorms. Thursday Night: East winds 10 to 15 knots. Seas 1 to 2 feet, except around 2 feet west of the marquesas keys. Nearshore waters a light to moderate chop. Showers with a chance of thunderstorms. Friday: East to southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. nearshore waters a light chop, becoming smooth to a light chop. A chance of showers and thunderstorms. Friday Night: East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers likely with a chance of thunderstorms. Saturday: Southeast winds 5 to 10 knots. Seas 1 foot or less. nearshore waters smooth. Showers likely with a chance of thunderstorms. Saturday Night: Southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light 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 |