| 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: 922 AM EDT Wed Mar 11 2026 | |
| Rest Of Today: South winds 5 to 10 knots, becoming southeast 15 to 20 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy. Tonight: South winds 15 to 20 knots, becoming southwest 10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 5 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. Thursday: Southwest winds 10 to 15 knots, becoming northwest 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy. A slight chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. Thursday Night: Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 8 seconds and north 4 feet at 4 seconds. Intracoastal waters rough. A chance of showers, mainly in the evening. Friday: Northeast winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 8 seconds. Intracoastal waters choppy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Friday Night: Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers in the evening. Saturday: Northeast winds 5 to 10 knots, becoming southeast. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. A chance of showers through the day. A slight chance of thunderstorms in the afternoon, then a slight chance of showers in the evening. A chance of thunderstorms through the night. A chance of showers after midnight. Sunday: Southeast winds 10 to 15 knots, becoming south 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy. A slight chance of thunderstorms in the morning. Showers likely through the day. A chance of thunderstorms. A chance of showers through the night. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450) | |
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