fzus52 kjax 181734
cwfjax
expires:202604190800;;590467

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
134 pm edt sat apr 18 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.


amz450-452-454-190800-
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-
134 pm edt sat apr 18 2026

.rest of today...southeast winds 5 to 10 knots, increasing to
10 to 15 knots this 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. 
.tonight...south winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. seas 2 to 3 feet. wave detail: southeast
2 feet at 4 seconds and east 2 feet at 8 seconds. intracoastal
waters a moderate chop. 
.sunday...west winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas 2 to 3 feet. wave detail: east
3 feet at 8 seconds. intracoastal waters a moderate chop. a
slight chance of showers in the afternoon. 
.sunday night...north winds 20 to 25 knots, becoming northeast
25 to 30 knots after midnight. seas 3 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. wave detail: northeast 5 feet at 8 seconds and north
2 feet at 3 seconds, becoming northeast 7 feet at 6 seconds.
intracoastal waters very rough. 
.monday...northeast winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. seas 5 to 8 feet, occasionally to
10 feet. wave detail: northeast 8 feet at 7 seconds. intracoastal
waters very rough. 
.monday night...east winds 15 to 20 knots, becoming northeast
10 to 15 knots after midnight. seas 5 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet after
midnight. wave detail: northeast 6 feet at 8 seconds, becoming
east 5 feet at 8 seconds. intracoastal waters choppy. 
.tuesday...northeast winds 10 to 15 knots, becoming east. seas
3 to 5 feet, occasionally to 6 feet. intracoastal waters a
moderate chop. 
.wednesday...east winds 5 to 10 knots, becoming south. seas 2 to
3 feet. intracoastal waters light chop. 

$$

fzus52 kjax 181734
cwfjax
expires:202604190800;;590468

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
134 pm edt sat apr 18 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.


amz470-472-474-190800-
waters from altamaha sound ga to fernandina beach fl from 20 to
60 nm-
waters from fernandina beach to st. augustine fl from 20 to 60 nm-
waters from st. augustine to flagler beach fl from 20 to 60 nm-
134 pm edt sat apr 18 2026

.rest of today...south winds 5 to 10 knots, increasing to 10 to
15 knots this afternoon. seas around 3 feet. wave detail: east
3 feet at 8 seconds. 
.tonight...south winds 10 to 15 knots, becoming southwest after
midnight. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
southeast 3 feet at 4 seconds and east 3 feet at 8 seconds. 
.sunday...west winds 5 to 10 knots, becoming northwest 10 to
15 knots in the afternoon. seas 2 to 3 feet. wave detail:
southeast 3 feet at 8 seconds and southwest 2 feet at 4 seconds.
a slight chance of showers in the afternoon. 
.sunday night...north winds 20 to 25 knots, becoming northeast
25 to 30 knots after midnight. seas 4 to 6 feet, occasionally to
8 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 north 8 feet at 6 seconds. a slight
chance of thunderstorms in the evening. a slight chance of
showers. 
.monday and monday night...northeast winds 20 to 25 knots. seas
5 to 7 feet, occasionally to 9 feet. wave detail: northeast
7 feet at 7 seconds. 
.tuesday through wednesday...southeast winds 10 to 15 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: northeast
5 feet at 8 seconds. 

winds and seas higher in and near thunderstorms.

$$