| 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: 1027 PM EDT Sat Apr 18 2026 |  |
| Overnight: East winds near 10 knots. Seas around 1 foot. nearshore waters a light chop. A slight chance of showers. Sunday: Northeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Sunday Night: Northwest to north winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 foot or less, building to 1 to 2 feet. nearshore waters smooth to a light chop, becoming a light to moderate chop. A slight chance of showers. Monday: North to northeast winds 10 to 15 knots, becoming northeast to east and briefly decreasing to 5 to 10 knots in the late morning and early afternoon. Seas 1 to 2 feet. Nearshore waters a light to moderate chop, becoming smooth to a light chop. A slight chance of showers. Monday Night: Northeast winds near 15 knots, increasing to 20 to 25 knots after midnight. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet. West of the marquesas keys, seas 2 to 3 feet, building to 4 to 5 feet, occasionally to 6 feet. nearshore waters a moderate chop, becoming very rough. A chance of showers with a slight chance of thunderstorms. Tuesday: Northeast to east winds near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters extremely rough. A slight chance of showers. Tuesday Night: Northeast to east winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters very rough. Wednesday: East winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters rough. Wednesday Night: East winds near 20 knots, decreasing to 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 rough, becoming choppy. Thursday And Thursday Night: East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. | |
| Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) | |
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