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: 1026 AM EDT Tue Jun 2 2026
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Rest Of Today: North winds 10 to 15 knots, becoming northeast 15 to 20 knots this afternoon. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet this afternoon. Wave detail: northeast 3 feet at 11 seconds, becoming northeast 4 feet at 5 seconds and northeast 3 feet at 10 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms this afternoon.

Tonight: Northeast winds 20 to 25 knots. Gusts up to 35 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northeast 7 feet at 7 seconds and northeast 3 feet at 10 seconds. Intracoastal waters rough. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight.

Wednesday: Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: northeast 8 feet at 8 seconds. Intracoastal waters very rough. A slight chance of showers and thunderstorms in the morning.

Wednesday Night: Northeast winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: northeast 8 feet at 7 seconds. Intracoastal waters rough.

Thursday: East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 10 seconds. Intracoastal waters choppy. A slight chance of showers in the morning.

Thursday Night: East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 10 seconds. Intracoastal waters a moderate chop.

Friday: East winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop.

Saturday: East 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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