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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
514 am edt sat sep 19 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.


amz450-452-454-200015-
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-
514 am edt sat sep 19 2026

.today...north winds 5 to 10 knots, becoming east northeast 10 to
15 knots late this morning. seas 2 to 3 feet. wave detail: east 
2 feet at 7 seconds. intracoastal waters becoming a light chop. a 
slight chance of showers and thunderstorms. 
.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 7 seconds. intracoastal waters mostly
smooth. a chance of showers and thunderstorms, mainly after
midnight.
.sunday...north winds 5 to 10 knots, becoming east northeast
around 10 knots late in the morning. seas around 2 feet. wave 
detail: east 2 feet at 7 seconds and east 2 feet at 11 seconds. 
intracoastal waters becoming a light chop. a chance of showers 
and thunderstorms. 
.sunday night...east around 10 knots, becoming east southeast  
around 5 knots after midnight. seas around 2 feet. wave detail:
east 2 feet at 8 seconds and east 2 feet at 11 seconds.
intracoastal waters becoming smooth. a chance of showers and
thunderstorms. 
.monday...northeast winds 5 to 10 knots. seas around 2 feet. wave 
detail: east 2 feet at 8 seconds. intracoastal waters mostly 
smooth. a chance of showers and thunderstorms.
.monday night...east winds 5 to 10 knots, becoming southeast
around 5 knots after midnight . seas around 2 feet. wave detail: 
east 2 feet at 8 seconds. intracoastal waters becoming smooth. a 
chance of showers and thunderstorms. 
.tuesday...north winds 5 to 10 knots, becoming east northeast
around 10 knots during the afternoon. seas around 2 feet. 
intracoastal waters becoming a light chop. showers likely with a 
chance of thunderstorms.
.tuesday night...east winds 5 to 10 knots, becoming north
northwest after midnight. seas around 2 feet. intracoastal waters
mostly smooth. a chance of showers with a slight chance of 
thunderstorms.
.wednesday...north winds around 10 knots, becoming northeast
and increasing to around 15 knots during the afternoon. seas
building to 3 to 4 feet. showers likely with a chance of 
thunderstorms.

winds and waves higher in and near thunderstorms.

$$