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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
115 pm edt sat sep 12 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.


amz450-452-454-130800-
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-
115 pm edt sat sep 12 2026

.rest of today...southeast winds around 5 knots, increasing to
10 to 15 knots this afternoon. 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. a slight chance of showers
and thunderstorms late this morning, then a chance of showers and
thunderstorms this afternoon. 
.tonight...southwest winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 4 seconds and east 2 feet at
8 seconds. intracoastal waters light chop. a slight chance of
showers and thunderstorms in the evening. 
.sunday...west winds 5 to 10 knots, becoming southeast in the
afternoon. seas around 2 feet. wave detail: southeast 2 feet at
5 seconds and east 2 feet at 8 seconds. intracoastal waters light
chop. a slight chance of showers and thunderstorms in the
afternoon. 
.sunday night...south winds 5 to 10 knots, becoming west after
midnight. seas around 2 feet. wave detail: southeast 2 feet at
9 seconds. intracoastal waters light chop. 
.monday and monday night...east winds 5 to 10 knots. seas around
2 feet. wave detail: east 2 feet at 9 seconds. intracoastal
waters light chop. 
.tuesday...northeast winds 25 to 30 knots. seas 2 to 4 feet,
occasionally to 5 feet, building to 6 to 8 feet, occasionally to
10 feet. wave detail: east 3 feet at 8 seconds, becoming
northeast 8 feet at 7 seconds. intracoastal waters very rough. a
chance of showers with a slight chance of thunderstorms in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. a chance of showers with a slight chance of
thunderstorms in the evening. a slight chance of showers after
midnight. 
.wednesday...northeast winds 25 to 30 knots. seas 6 to 9 feet,
occasionally to 11 feet. intracoastal waters very rough. a slight
chance of showers in the morning, then a slight chance of
thunderstorms through the night. a chance of showers. a chance of
thunderstorms after midnight. 

winds and waves higher in and near thunderstorms.

$$