
Dangerous Heat and Heavy Rainfall into the Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. 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: 433 AM EDT Sat Sep 19 2026 | |
| Today: East winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. Tonight: East winds 5 to 10 knots, becoming southeast and decreasing to 5 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop, becoming smooth. A chance of showers and thunderstorms. Sunday: South winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. Sunday Night: South winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers likely with a chance of thunderstorms. Monday: South to southwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers likely with a chance of thunderstorms. Monday Night: South winds 5 to 10 knots. Seas 1 foot or less. nearshore waters smooth to a light chop. Showers likely with a chance of thunderstorms. Tuesday: South winds near 5 knots, increasing to around 10 knots. Seas 1 foot or less. Nearshore waters smooth, becoming a light chop. Showers likely with a chance of thunderstorms. Tuesday Night: Southeast to south winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers likely with a chance of thunderstorms. Wednesday: Southeast winds near 5 knots. Seas 1 foot or less. nearshore waters smooth. Thunderstorms likely. Showers. Wednesday Night: East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Showers likely with a chance of 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 |