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: 1045 PM EDT Sat Aug 30 2025
Print


Overnight: Variable winds 5 to 10 knots, becoming southwest to west near 5 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop, becoming smooth. Scattered showers and thunderstorms.

Sunday: West winds 5 to 10 knots, becoming west to northwest near 10 knots. Seas building to around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Scattered showers and thunderstorms.

Sunday Night: Northwest winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and thunderstorms.

Monday: West to northwest winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and thunderstorms.

Monday Night: West to northwest winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and thunderstorms.

Tuesday: West to northwest winds near 10 knots, becoming southwest to west 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. Scattered showers and thunderstorms.

Tuesday Night: Southwest to west 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. Scattered showers and thunderstorms.

Wednesday: Southwest to west winds near 15 knots. Seas 2 to 3 feet, except building to 3 to 4 feet west of the marquesas keys. nearshore waters a moderate chop. Scattered showers and thunderstorms.

Wednesday Night: Southwest to west winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 5 feet west of the marquesas keys. nearshore waters choppy. Scattered showers and thunderstorms.

Thursday: Southwest to west winds near 20 knots, becoming near 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters rough, becoming a moderate chop. Scattered showers and thunderstorms.

Thursday Night: West winds decreasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters becoming a light to moderate chop. scattered 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