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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
728 am edt sat apr 4 2026

atlantic coastal waters from altamaha sound ga to flagler beach
fl out to 60 nm.

seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.


amz450-452-454-050230-
coastal waters from altamaha sound to fernandina beach fl out
20 nm-
coastal waters from fernandina beach to st. augustine fl out
20 nm-
coastal waters from st. augustine to flagler beach fl out 20 nm-
728 am edt sat apr 4 2026

.today...southeast winds 5 to 10 knots, increasing to 10 to
15 knots this afternoon. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 8 seconds. intracoastal
waters a moderate chop. 
.tonight...southeast winds 10 to 15 knots, becoming south 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 8 seconds. intracoastal
waters a moderate chop. 
.sunday...south winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 9 seconds. intracoastal waters a moderate
chop. a chance of showers with a slight chance of thunderstorms
in the afternoon. 
.sunday night...south winds 10 to 15 knots, becoming west 5 to
10 knots after midnight. seas 3 to 5 feet, occasionally to
6 feet. wave detail: southeast 5 feet at 9 seconds. intracoastal
waters a moderate chop. a slight chance of thunderstorms in the
evening. a chance of showers. 
.monday...north winds 15 to 20 knots. seas 3 to 4 feet,
occasionally to 5 feet, building to 4 to 6 feet, occasionally to
8 feet in the afternoon. wave detail: east 4 feet at 9 seconds,
becoming east 5 feet at 9 seconds and northeast 3 feet at
4 seconds. intracoastal waters choppy. a chance of showers in the
morning, then showers likely with a slight chance of
thunderstorms in the afternoon. 
.monday night...northeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. seas 4 to 6 feet, occasionally to
8 feet. wave detail: northeast 6 feet at 7 seconds. intracoastal
waters rough. a chance of showers with a slight chance of
thunderstorms. 
.tuesday...northeast winds 25 to 30 knots. seas 5 to 7 feet,
occasionally to 9 feet, building to 8 to 11 feet, occasionally to
14 feet. intracoastal waters very rough. a chance of showers
through the day. a slight chance of thunderstorms in the
afternoon, then a slight chance of showers in the evening. a
chance of showers after midnight. 
.wednesday...northeast winds 25 to 30 knots. seas 9 to 13 feet,
occasionally to 17 feet. intracoastal waters very rough. a chance
of showers in the morning, then showers likely with a slight
chance of thunderstorms in the afternoon. a chance of showers
through the night. 

winds and waves higher in and near thunderstorms.

$$