Areas of Dangerous Heat and Heavy Rain with Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Coastal Waters Forecast for Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) (Text-Only)
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: 432 PM EDT Tue Sep 15 2026




Tonight: East to southeast winds near 10 knots, increasing to near 15 knots. Seas building to 1 to 2 feet, except building to 2 to 3 feet west of the marquesas keys. Nearshore waters a light chop, becoming a moderate chop. A chance of showers and 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 around 1 foot. 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 to a light chop. Showers likely with a chance of thunderstorms.

Saturday Night: Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms.

Sunday And Sunday Night: South winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. 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