| 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: 557 PM EDT Wed Sep 16 2026 |  |
Tonight: East winds around 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 after midnight. Thursday: Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds. Intracoastal waters choppy. A slight chance of showers in the afternoon. Thursday Night: Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers. Friday: Northeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 7 seconds. Intracoastal waters light chop. A slight chance of showers in the morning. Friday Night: East winds around 5 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 7 seconds. Intracoastal waters smooth. Saturday: Northeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 7 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms. Saturday Night: East winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A chance of showers and thunderstorms. Sunday Through Monday: East winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. Showers likely with a chance of 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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