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expires:202509191515;;219255

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
802 pm edt thu sep 18 2025

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.


amz450-452-454-191515-
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-
802 pm edt thu sep 18 2025

.rest of tonight...east winds 10 to 15 knots, diminishing to 5 to
10 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
5 seconds and east 2 feet at 8 seconds. intracoastal waters a
moderate chop. 
.friday...northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. seas 2 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 6 seconds. intracoastal
waters choppy. a slight chance of showers and thunderstorms in
the afternoon. 
.friday night...northeast winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 6 seconds.
intracoastal waters a moderate chop. a slight chance of showers. 
.saturday...northeast winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at
6 seconds. intracoastal waters choppy. a chance of showers with a
slight chance of thunderstorms. 
.saturday night...northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. seas 4 to 5 feet, occasionally to
6 feet. wave detail: northeast 5 feet at 6 seconds. intracoastal
waters choppy. a slight chance of showers and thunderstorms. 
.sunday...northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. seas 4 to 5 feet, occasionally to
6 feet. wave detail: northeast 5 feet at 6 seconds. intracoastal
waters rough. a slight chance of thunderstorms. a slight chance
of showers in the morning, then a chance of showers in the
afternoon. 
.sunday night...northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. seas 4 to 5 feet, occasionally to
6 feet. intracoastal waters choppy. a slight chance of showers
and thunderstorms. 
.monday through tuesday...south winds 10 to 15 knots. seas 3 to
4 feet, occasionally to 5 feet. intracoastal waters a moderate
chop. a chance of showers and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$