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 AM EDT Mon Oct 19 2026
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Rest Of Tonight: Northeast winds around 30 knots. Seas 12 to 14 feet, occasionally to 18 feet. Wave detail: northeast 14 feet at 12 seconds and northeast 12 feet at 9 seconds. Intracoastal waters very rough. A slight chance of showers.

Monday: North winds 25 to 30 knots. Seas 10 to 14 feet, occasionally to 18 feet. Wave detail: northeast 14 feet at 12 seconds and northeast 8 feet at 9 seconds. Intracoastal waters very rough.

Monday Night: Northeast winds 20 to 25 knots, becoming north 15 to 20 knots after midnight. Seas 9 to 12 feet, occasionally to 15 feet, subsiding to 8 to 10 feet, occasionally to 13 feet after midnight. Wave detail: northeast 11 feet at 12 seconds, becoming northeast 10 feet at 13 seconds. Intracoastal waters rough.

Tuesday: North winds 15 to 20 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave detail: northeast 9 feet at 13 seconds. Intracoastal waters choppy.

Tuesday Night Through Wednesday Night: North winds 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave detail: northeast 9 feet at 13 seconds and northeast 5 feet at 7 seconds. Intracoastal waters choppy.

Thursday: Northeast winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: northeast 8 feet at 12 seconds. Intracoastal waters choppy.

Friday: Northeast winds 25 to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet, building to 8 to 10 feet, occasionally to 13 feet. Intracoastal waters very rough. A chance of showers.







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

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