| 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: 816 PM EDT Sun Oct 18 2026 | |
Rest Of Tonight: Northeast winds 25 to 30 knots. Seas 11 to 13 feet, occasionally to 17 feet. Wave detail: northeast 13 feet at 11 seconds. Intracoastal waters very rough. A slight chance of showers this evening. Monday: North winds 25 to 30 knots. Seas 10 to 13 feet, occasionally to 17 feet. Wave detail: northeast 12 feet at 12 seconds. Intracoastal waters very rough. Monday Night: North winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 8 to 11 feet, occasionally to 14 feet. Wave detail: northeast 11 feet at 12 seconds. Intracoastal waters rough. Tuesday: North winds 15 to 20 knots. Seas 7 to 9 feet, occasionally to 11 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 12 seconds. Intracoastal waters choppy. Thursday: North winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: northeast 7 feet at 12 seconds. Intracoastal waters choppy. Friday: Northeast winds 25 to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet after midnight. Intracoastal waters very rough. A slight chance of showers in the afternoon. A chance of showers with a slight chance of thunderstorms through the night. 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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