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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
736 pm edt fri mar 13 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.


amz450-452-454-141445-
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-
736 pm edt fri mar 13 2026

...small craft exercise caution in effect until 8 pm edt this
evening...

.tonight...northeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at
8 seconds. intracoastal waters light chop. 
.saturday...northeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 4 feet at 9 seconds.
intracoastal waters light chop. a slight chance of showers. 
.saturday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 8 seconds.
intracoastal waters light chop. a chance of showers. a slight
chance of thunderstorms after midnight. 
.sunday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 7 seconds. intracoastal
waters a moderate chop. showers likely with a chance of
thunderstorms. 
.sunday night...south winds 15 to 20 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: southeast 4 feet at
6 seconds. intracoastal waters choppy. a chance of thunderstorms.
showers likely, mainly in the evening. 
.monday...south winds 15 to 20 knots, becoming southwest 20 to
25 knots in the afternoon. seas 4 to 6 feet, occasionally to
8 feet. wave detail: southeast 5 feet at 6 seconds. intracoastal
waters rough. showers with a chance of thunderstorms. 
.monday night...northwest winds 25 to 30 knots. seas 5 to 7 feet,
occasionally to 9 feet. intracoastal waters very rough. a chance
of showers with a slight chance of thunderstorms in the evening,
then a slight chance of showers after midnight. 
.tuesday...northwest winds 20 to 25 knots, becoming north 15 to
20 knots. seas 5 to 7 feet, occasionally to 9 feet, subsiding to
3 to 5 feet, occasionally to 6 feet. intracoastal waters rough. 
.wednesday...north winds 15 to 20 knots, increasing to 20 to
25 knots. seas 4 to 6 feet, occasionally to 8 feet. intracoastal
waters rough. a slight chance of showers after midnight. 

winds and waves higher in and near thunderstorms.

$$