Chart / Forecasts

Coastal waters from St. Augustine to Flagler Beach FL out 20 NM

AMZ454 · Coastal Waters Forecast · National Weather Service Jacksonville FL · Issued 226 PM EDT Sat Oct 3 2026
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Forecast
Rest Of Today
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms.
Tonight
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight.
Sunday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.
Sunday Night
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight.
Monday And Monday Night
Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds and east 2 feet at 6 seconds. Intracoastal waters choppy. Showers with a chance of thunderstorms.
Tuesday
Northeast winds 25 to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 10 feet at 8 seconds and northeast 5 feet at 5 seconds. Intracoastal waters very rough. Showers with a chance of thunderstorms, then showers likely with a slight chance of thunderstorms after midnight.
Wednesday
Northeast winds 25 to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet. Intracoastal waters very rough. Showers with a chance of thunderstorms, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms.
Source: National Weather Service Coastal Waters Forecast (CWF), issued 226 PM EDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 09:00 UTC. Original text · All zones