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Coastal Waters Forecast for Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450) (Text-Only)

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: 225 AM EDT Thu Jul 23 2026

Rest Of Tonight: South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. Intracoastal waters a moderate chop. Thursday: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters light chop. Thursday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 8 seconds. Intracoastal waters light chop. Friday: Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave detail: east 3 feet at 8 seconds. Intracoastal waters light chop. Friday Night: Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave detail: east 3 feet at 8 seconds. Intracoastal waters light chop. Saturday And Saturday Night: Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 8 seconds and south 2 feet at 3 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. Sunday: West winds 5 to 10 knots, becoming southwest 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms through the night. A slight chance of showers after midnight. Monday: South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight 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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