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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
225 am edt tue may 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.


amz452-122100-
coastal waters from fernandina beach to st. augustine fl out
20 nm-
225 am edt tue may 12 2026

...small craft advisory in effect through this evening...

.rest of tonight...north winds 10 to 15 knots. seas around
2 feet. wave detail: east 2 feet at 6 seconds. intracoastal
waters a moderate chop. showers likely with a chance of
thunderstorms. 
.tuesday...northeast winds 15 to 20 knots. seas 2 to 4 feet,
occasionally to 5 feet, building to 4 to 5 feet, occasionally to
6 feet in the afternoon. wave detail: northeast 4 feet at
4 seconds and northeast 3 feet at 9 seconds, becoming northeast
5 feet at 6 seconds. intracoastal waters choppy. showers with a
chance of thunderstorms. 
.tuesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 5 to 6 feet, occasionally to
8 feet. wave detail: east 6 feet at 6 seconds. intracoastal
waters choppy. showers with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight. 
.wednesday...northeast winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: east 5 feet at 9 seconds.
intracoastal waters light chop. a chance of showers. a slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon. 
.wednesday night...north winds around 5 knots, becoming west
after midnight. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: east 4 feet at 9 seconds. intracoastal waters light chop.
.thursday and thursday night...north winds 5 to 10 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
8 seconds. intracoastal waters light chop. 
.friday through saturday...southeast winds 10 to 15 knots. seas
2 to 3 feet. intracoastal waters a moderate chop. 

winds and waves higher in and near thunderstorms.

$$