Coastal Waters Forecast for Coastal waters from St. Augustine to Flagler Beach FL out 20 NM (AMZ454) (Text-Only)
NWS Forecast for: Coastal waters from St. Augustine to Flagler Beach FL out 20 NM (AMZ454)
Issued by: National Weather Service Jacksonville, FL
Last Update: 224 PM EDT Fri May 22 2026


Rest Of Today: Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds and southeast 2 feet at 4 seconds. Intracoastal waters choppy.

Tonight: Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds and southeast 3 feet at 5 seconds. Intracoastal waters choppy.

Saturday: Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon.

Saturday Night: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight.

Sunday: Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds. Intracoastal waters choppy. A chance of showers and thunderstorms, mainly in the morning.

Sunday Night: Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas around 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds and southeast 2 feet at 4 seconds. Intracoastal waters choppy. A slight chance of thunderstorms in the evening. A slight chance of showers.

Monday Through Tuesday: South winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters rough. A slight chance of showers and thunderstorms.

winds and waves higher in and near thunderstorms.







Zone Forecast: Coastal waters from St. Augustine to Flagler Beach FL out 20 NM (AMZ454)

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