| 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: 1029 AM EDT Tue Jul 21 2026 |  |
| This Afternoon: Southeast to south winds near 15 knots, becoming southeast and decreasing to near 10 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop, becoming a light chop. Tonight: East to southeast winds near 10 knots, becoming southeast and increasing to near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a light chop, becoming a moderate chop. A slight chance of showers and thunderstorms. Wednesday: Southeast winds near 15 knots, becoming east to southeast and decreasing to near 10 knots in the afternoon. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. nearshore waters a moderate chop, becoming a light chop. A slight chance of showers and thunderstorms. Wednesday Night: East winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. Thursday: East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. Thursday Night: East winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms. Friday: East to southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming smooth to a light chop. A chance of showers and thunderstorms. Friday Night: East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms. Saturday: Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Saturday Night: Southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. | |
| 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 |