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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
225 pm edt sun apr 5 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.


amz450-452-060900-
coastal waters from altamaha sound to fernandina beach fl out
20 nm-
coastal waters from fernandina beach to st. augustine fl out
20 nm-
225 pm edt sun apr 5 2026

...small craft exercise caution in effect until midnight edt
tonight...
...small craft advisory in effect from monday morning through
wednesday morning...

.rest of today...south winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: southeast 5 feet at
9 seconds. intracoastal waters a moderate chop. a chance of
showers with a slight chance of thunderstorms. 
.tonight...south winds 10 to 15 knots, becoming northwest 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. a chance of showers,
mainly in the evening. 
.monday...northeast winds 20 to 25 knots. seas 5 to 7 feet,
occasionally to 9 feet. wave detail: northeast 7 feet at
7 seconds and northeast 4 feet at 4 seconds. intracoastal waters
rough. a chance of showers. a slight chance of thunderstorms in
the afternoon. 
.monday night...northeast winds 20 to 25 knots. gusts up to
35 knots after midnight. seas 5 to 8 feet, occasionally to
10 feet. wave detail: northeast 7 feet at 7 seconds. intracoastal
waters rough. a chance of showers. a slight chance of
thunderstorms after midnight. 
.tuesday...northeast winds 20 to 25 knots with gusts up to
35 knots. seas 6 to 9 feet, occasionally to 11 feet. wave detail:
northeast 9 feet at 8 seconds. intracoastal waters rough. a
chance of showers. 
.tuesday night...northeast winds 20 to 25 knots, increasing to
25 to 30 knots after midnight. seas 7 to 10 feet, occasionally to
13 feet. wave detail: east 10 feet at 8 seconds. intracoastal
waters very rough. a slight chance of showers in the evening,
then a chance of showers after midnight. 
.wednesday...east winds 25 to 30 knots. seas 8 to 11 feet,
occasionally to 14 feet, building to 9 to 13 feet, occasionally
to 17 feet in the afternoon, building to 11 to 14 feet,
occasionally to 18 feet in the evening, subsiding to 9 to
13 feet, occasionally to 17 feet after midnight. intracoastal
waters very rough. a chance of showers in the morning, then
showers likely in the afternoon. a slight chance of
thunderstorms. a chance of showers through the night. 
.thursday...northeast winds 25 to 30 knots. seas 9 to 13 feet,
occasionally to 17 feet. intracoastal waters very rough. a slight
chance of thunderstorms through the day. a chance of showers. 

winds and waves higher in and near thunderstorms.

$$