| 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: 802 PM EDT Thu Sep 18 2025 | |
| Rest Of Tonight: East winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. Friday: Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms in the afternoon. Friday Night: Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers. Saturday: Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 6 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. Saturday Night: Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms. Sunday: Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 6 seconds. Intracoastal waters rough. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Sunday Night: Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A slight chance of showers and thunderstorms. Monday Through Tuesday: South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM (AMZ452) | |
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