| 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: 224 AM EDT Fri Apr 17 2026 |  |
| Rest Of Tonight: Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 9 seconds and south 2 feet at 4 seconds. Intracoastal waters a moderate chop. Friday: Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave detail: east 3 feet at 9 seconds. Intracoastal waters light chop. Friday Night: South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 8 seconds. Intracoastal waters light chop. Saturday: South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave detail: east 3 feet at 8 seconds and southeast 2 feet at 3 seconds. Intracoastal waters a moderate chop. Saturday Night And Sunday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. Sunday Night: North winds 25 to 35 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet after midnight. Wave detail: northeast 5 feet at 8 seconds and north 2 feet at 4 seconds, becoming northeast 8 feet at 6 seconds. Intracoastal waters extremely rough. A slight chance of showers in the evening. Monday: Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Intracoastal waters very rough. Tuesday: Northeast winds 15 to 20 knots, becoming east 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet after midnight. Intracoastal waters choppy. | |
| Zone Forecast: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450) | |
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