
Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California
A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. 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: 424 PM EDT Sun Oct 4 2026 | |
| Tonight: East winds near 10 knots. Seas around 1 foot, except 1 to 2 west of the marquesas. Nearshore waters a light chop. A slight chance of showers and thunderstorms. Monday: Southeast winds 5 to 10 knots, becoming east near 5 knots. Seas around 1 foot, subsiding to 1 foot or less. Nearshore waters smooth to a light chop, becoming smooth. A slight chance of showers and thunderstorms. Monday Night: East winds near 5 knots, becoming southeast. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms. Tuesday: South winds near 5 knots, becoming variable. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms. Tuesday Night: Variable near 5 knots, becoming south to southwest. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms. Wednesday: South winds near 5 knots, becoming southwest 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth, becoming smooth to a light chop. A chance of showers with a slight chance of thunderstorms. Wednesday Night: Southwest to west winds near 5 knots, becoming south. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. Thursday: South winds near 5 knots, becoming southeast. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. Thursday Night: Southeast winds near 5 knots, increasing to 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth, becoming smooth to a light chop. A slight chance of showers and thunderstorms. Friday: Southeast winds 5 to 10 knots, increasing to near 10 knots. Seas 1 foot or less, building to around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. A slight chance of showers and thunderstorms. Friday Night: East to southeast winds near 10 knots, increasing to 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. nearshore waters a light chop, becoming a light to moderate chop. A slight 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 |