Coastal Waters Forecast for Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM (AMZ452) (Text-Only)
NWS Forecast for: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM (AMZ452)
Issued by: National Weather Service Jacksonville, FL
Last Update: 225 AM EDT Tue Jul 28 2026


Rest Of Tonight: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop.

Tuesday: Southwest winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon.

Tuesday Night: Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 3 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy.

Wednesday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 4 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the afternoon.

Wednesday Night: West winds 15 to 20 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 4 seconds. Intracoastal waters choppy. A chance of thunderstorms in the evening. A chance of showers.

Thursday: West winds 10 to 15 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave detail: west 3 feet at 4 seconds. Intracoastal waters a moderate 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.

Thursday Night: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly in the evening.

Friday: Southwest winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms .

Saturday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate 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. A slight chance of showers and thunderstorms through the night.

winds and waves higher in and near thunderstorms.







Zone Forecast: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM (AMZ452)

Visit your local NWS office at: https://www.weather.gov/jax