| NWS Forecast for: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450) Issued by: National Weather Service Jacksonville, FL Last Update: 1229 AM EST Sun Dec 7 2025 | |
| Rest Of Tonight: Northeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 2 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A slight chance of showers late this evening, then a chance of showers. Sunday: Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. Showers. A slight chance of thunderstorms in the afternoon. Sunday Night: North winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 9 seconds and northeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. Showers likely, mainly in the evening. Monday: North winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 5 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy. A slight chance of showers in the morning. Monday Night Through Tuesday Night: North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: north 6 feet at 6 seconds and east 5 feet at 9 seconds. Intracoastal waters rough. Wednesday: West winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 10 seconds. Intracoastal waters light chop. Thursday: Southwest winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450) | |
Visit your local NWS office at: https://www.weather.gov/jax |