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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
733 pm edt tue apr 21 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.


amz450-452-454-221445-
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-
733 pm edt tue apr 21 2026

.rest of tonight...east winds 5 to 10 knots, becoming south. seas
2 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
8 seconds. intracoastal waters light chop. 
.wednesday...northeast winds 5 to 10 knots, becoming east in the
afternoon. seas 2 to 3 feet. wave detail: east 3 feet at
8 seconds. intracoastal waters light chop. 
.wednesday night...south winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: east 3 feet at 7 seconds. intracoastal waters light
chop. 
.thursday...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 7 seconds and southeast 2 feet at 3 seconds.
intracoastal waters a moderate chop. 
.thursday night...south winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: east 3 feet at 8 seconds and southeast 2 feet at
3 seconds. intracoastal waters light chop. 
.friday and friday night...southwest winds 10 to 15 knots. seas
2 to 3 feet. wave detail: southeast 2 feet at 3 seconds and
southeast 2 feet at 8 seconds. intracoastal waters a moderate
chop. 
.saturday through sunday...east winds 10 to 15 knots. seas 2 to
3 feet. intracoastal waters a moderate chop. a chance of showers
with a slight chance of thunderstorms. 

winds and waves higher in and near thunderstorms.

$$