Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

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: 1021 AM EDT Mon Sep 28 2026


Today: West winds near 5 knots, becoming south to southwest. seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms.

Tonight: Southwest winds 5 to 10 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth to a light chop, becoming smooth. A chance of showers and thunderstorms.

Tuesday: Southeast winds 5 to 10 knots, except increasing to near 10 knots west of the marquesas keys. Seas 1 foot or less, building to around 1 foot. West of the marquesas keys, seas around 1 foot, building to 1 to 2 feet. Nearshore waters smooth to a light chop, except becoming a light chop west of the marquesas keys. Showers likely with a chance of thunderstorms.

Tuesday Night: Northeast to east winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. West of the marquesas keys northeast to east winds near 10 knots, increasing to 10 to 15 knots. Seas around 1 foot, except 1 to 2 feet west of the marquesas keys. Nearshore waters smooth to a light chop, becoming a light to moderate chop. Showers likely with a chance of thunderstorms.

Wednesday: Northeast to east winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon. Seas 1 to 2 feet, except building to 2 to 3 feet west of the marquesas keys. Nearshore waters a light to moderate chop, becoming choppy. Showers likely with a chance of thunderstorms.

Wednesday Night: East winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters choppy. Showers likely with a chance of thunderstorms.

Thursday: East to southeast winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters choppy. Showers likely with a chance of thunderstorms.

Thursday Night: East to southeast winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 feet west of the marquesas keys. Nearshore waters choppy. A chance of thunderstorms. Showers likely.

Friday: East to southeast winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 5 feet, occasionally to 6 feet west of the marquesas keys. Nearshore waters choppy. Showers likely with a chance of thunderstorms.

Friday Night: East to southeast winds near 15 knots. Seas 1 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters a moderate chop. A 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)

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