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coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
510 am edt sat oct 17 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.


amz450-452-454-180015-
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-
510 am edt sat oct 17 2026

...small craft advisory in effect until 2 pm edt this afternoon...
...gale warning in effect from 2 pm edt this afternoon through
late monday night...

.today...northwest winds 20 to 25 knots, becoming north 25 to
35 knots this afternoon. seas 3 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet this
afternoon. wave detail: northwest 5 feet at 4 seconds, becoming
north 7 feet at 7 seconds. intracoastal waters extremely rough. a
slight chance of showers. 
.tonight...northeast winds 30 to 35 knots. seas 8 to 11 feet,
occasionally to 14 feet, building to 9 to 13 feet, occasionally
to 17 feet after midnight. wave detail: north 11 feet at
8 seconds and east 4 feet at 9 seconds, becoming northeast
12 feet at 8 seconds. intracoastal waters extremely rough. 
.sunday...northeast winds 25 to 35 knots. seas 9 to 13 feet,
occasionally to 17 feet. wave detail: northeast 13 feet at
9 seconds. intracoastal waters extremely rough. a chance of
showers. 
.sunday night...northeast winds 30 to 35 knots. seas 10 to
14 feet, occasionally to 18 feet. wave detail: northeast 13 feet
at 10 seconds. intracoastal waters extremely rough. a chance of
showers, mainly in the evening. 
.monday...north winds 25 to 30 knots. seas 9 to 13 feet,
occasionally to 17 feet. wave detail: northeast 13 feet at
10 seconds and northeast 12 feet at 13 seconds. intracoastal
waters very rough. a slight chance of showers. 
.monday night...north winds 25 to 30 knots, diminishing to 20 to
25 knots after midnight. seas 9 to 13 feet, occasionally to
17 feet. wave detail: northeast 12 feet at 14 seconds and
northeast 4 feet at 8 seconds. intracoastal waters very rough. 
.tuesday...north winds 20 to 25 knots. seas 8 to 11 feet,
occasionally to 14 feet, subsiding to 6 to 9 feet, occasionally
to 11 feet. intracoastal waters rough. 
.wednesday...north winds 20 to 25 knots. seas 6 to 9 feet,
occasionally to 11 feet. intracoastal waters rough. 

$$