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: 234 AM EDT Wed May 13 2026


Rest Of Tonight: East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 seconds. Intracoastal waters choppy. Showers likely with a chance of thunderstorms.

Wednesday: Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms. Showers likely, mainly in the morning.

Wednesday Night: North winds 5 to 10 knots, becoming northwest after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 8 seconds. Intracoastal waters light chop.

Thursday: Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 8 seconds. Intracoastal waters light chop.

Thursday Night: Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 7 seconds. Intracoastal waters light chop.

Friday And Friday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 7 seconds. Intracoastal waters light chop.

Saturday Through Sunday: Southeast winds 5 to 10 knots. Seas 2 to 3 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)

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