| 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: 802 AM EDT Wed Sep 16 2026 | |
Rest Of Today: Northeast winds 15 to 20 knots, increasing to 20 to 25 knots this afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 7 seconds. Intracoastal waters rough. A slight chance of showers. Tonight: Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 7 seconds. Intracoastal waters choppy. A slight chance of showers in the evening. Thursday: Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 seconds. Intracoastal waters choppy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Thursday Night: Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms. Friday: Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Friday Night: East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms. Saturday: Northeast winds 10 to 15 knots, becoming east 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. Sunday: East winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms. 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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