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: 431 PM EDT Thu Aug 13 2026


Tonight: Northeast to east winds 5 to 10 knots, becoming east to southeast and 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: 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 to moderate chop. A chance of showers and thunderstorms.

Friday Night: East to southeast winds near 15 knots. Seas 1 to 2 feet, except around 2 feet west of the marquesas keys. Nearshore waters a moderate chop. A chance of showers and thunderstorms.

Saturday: East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. A chance of showers and thunderstorms.

Saturday Night: East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms.

Sunday: East to southeast winds near 10 knots. Seas 1 foot or less. Nearshore waters a light chop.

Sunday Night: East winds 10 to 15 knots, becoming 5 to 10 knots after midnight. Seas 1 foot or less. Nearshore waters a light to moderate chop, becoming smooth to a light chop.

Monday: East winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms.

Monday Night: Northeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms.

Tuesday: East winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms.

Tuesday Night: East winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers.







Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035)

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