(1/4)
Latest Coastal Waters Forecast by KJAX
Issued 10/20/2026 9:17 PM America/New_York.
Valid through 10/21/2026 12:30 PM America/New_York.
fzus52 kjax 210117
cwfjax
expires:202610211630;;913453
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
917 pm edt tue oct 20 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.
amz450-211630-
coastal waters from altamaha sound to fernandina beach fl out
20 nm-
917 pm edt tue oct 20 2026
...small craft advisory in effect until 3 am edt wednesday...
.rest of tonight...northeast winds 15 to 20 knots. seas 5 to
7 feet, occasionally to 9 feet. wave detail: east 6 feet at
12 seconds and northeast 4 feet at 6 seconds. intracoastal waters
choppy.
.wednesday...northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 4 to 6 feet, occasionally to
8 feet. wave detail: east 5 feet at 12 seconds and northeast
4 feet at 6 seconds. intracoastal waters choppy.
.wednesday night...north winds 10 to 15 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: east 5 feet at 11 seconds
and northeast 3 feet at 6 seconds. intracoastal waters a moderate
chop.
.thursday...northeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 12 seconds.
intracoastal waters a moderate chop.
.thursday night...northeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. seas 3 to 5 feet, occasionally to
6 feet. wave detail: east 5 feet at 13 seconds. intracoastal
waters a moderate chop.
.friday...northeast winds 15 to 20 knots, increasing to 25 to
30 knots in the afternoon. seas 4 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet in the
afternoon. wave detail: east 5 feet at 12 seconds and northeast
4 feet at 5 seconds, becoming northeast 7 feet at 6 seconds and
east 2 feet at 12 seconds. intracoastal waters very rough.
.friday night...northeast winds 25 to 30 knots. seas 7 to
10 feet, occasionally to 13 feet. intracoastal waters very rough.
a slight chance of showers in the evening, then a chance of
showers after midnight.
.saturday through sunday...northeast winds 25 to 30 knots. seas
9 to 13 feet, occasionally to 17 feet. intracoastal waters very
rough. a chance of showers.
$$
(2/4)
Latest Coastal Waters Forecast by KJAX
Issued 10/20/2026 9:17 PM America/New_York.
Valid through 10/21/2026 12:30 PM America/New_York.
fzus52 kjax 210117
cwfjax
expires:202610211630;;913454
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
917 pm edt tue oct 20 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.
amz452-454-211630-
coastal waters from fernandina beach to st. augustine fl out
20 nm-
coastal waters from st. augustine to flagler beach fl out 20 nm-
917 pm edt tue oct 20 2026
...small craft advisory in effect through thursday evening...
.rest of tonight...northeast winds 15 to 20 knots. seas 6 to
8 feet, occasionally to 10 feet. wave detail: northeast 8 feet at
12 seconds. intracoastal waters choppy.
.wednesday...northeast winds 15 to 20 knots. seas 6 to 7 feet,
occasionally to 9 feet. wave detail: northeast 7 feet at
12 seconds and northeast 2 feet at 5 seconds. intracoastal waters
choppy.
.wednesday night...north winds 15 to 20 knots. seas 5 to 7 feet,
occasionally to 9 feet. wave detail: northeast 7 feet at
11 seconds. intracoastal waters choppy.
.thursday...north winds 10 to 15 knots. seas 5 to 6 feet,
occasionally to 8 feet. wave detail: northeast 6 feet at
12 seconds. intracoastal waters a moderate chop.
.thursday night...northeast winds 15 to 20 knots. seas 5 to
7 feet, occasionally to 9 feet. wave detail: northeast 6 feet at
13 seconds and northeast 5 feet at 6 seconds. intracoastal waters
choppy.
.friday...northeast winds 15 to 20 knots, increasing to 25 to
30 knots in the afternoon. seas 6 to 8 feet, occasionally to
10 feet. wave detail: northeast 8 feet at 6 seconds and northeast
5 feet at 12 seconds. intracoastal waters very rough. a slight
chance of showers in the afternoon.
.friday night...northeast winds 25 to 30 knots. seas 8 to
10 feet, occasionally to 13 feet, building to 9 to 12 feet,
occasionally to 15 feet after midnight. intracoastal waters very
rough. a chance of showers in the evening, then showers likely
after midnight.
.saturday...northeast winds 25 to 30 knots. seas 10 to 13 feet,
occasionally to 17 feet, building to 12 to 14 feet, occasionally
to 18 feet. intracoastal waters very rough. showers through the
day. a slight chance of thunderstorms in the afternoon, then a
chance of showers in the evening. a slight chance of showers
after midnight.
.sunday...northeast winds around 30 knots. seas 12 to 14 feet,
occasionally to 18 feet. intracoastal waters very rough. a chance
of showers in the morning, then showers likely in the afternoon.
a chance of showers in the evening, then a slight chance of
showers after midnight.
winds and waves higher in and near thunderstorms.
$$
(3/4)
Latest Coastal Waters Forecast by KJAX
Issued 10/20/2026 9:17 PM America/New_York.
Valid through 10/21/2026 12:30 PM America/New_York.
fzus52 kjax 210117
cwfjax
expires:202610211630;;913456
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
917 pm edt tue oct 20 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.
amz470-211630-
waters from altamaha sound ga to fernandina beach fl from 20 to
60 nm-
917 pm edt tue oct 20 2026
...small craft advisory in effect through thursday afternoon...
.rest of tonight...northeast winds around 20 knots. seas 7 to 9
feet, occasionally to 11 feet. wave detail: northeast 8 feet at 12
seconds and northeast 4 feet at 6 seconds.
.wednesday...northeast winds 15 to 20 knots. seas 6 to 8 feet,
occasionally to 10 feet. wave detail: northeast 8 feet at
12 seconds and northeast 3 feet at 6 seconds.
.wednesday night...north winds 10 to 15 knots. seas 5 to 7 feet,
occasionally to 9 feet. wave detail: northeast 7 feet at
11 seconds.
.thursday...northeast winds 10 to 15 knots. seas 5 to 7 feet,
occasionally to 9 feet. wave detail: northeast 6 feet at
12 seconds.
.thursday night and friday...northeast winds 25 to 30 knots. seas
5 to 8 feet, occasionally to 10 feet. wave detail: northeast
7 feet at 6 seconds and northeast 6 feet at 13 seconds.
.friday night...northeast winds around 30 knots with gusts up to
40 knots. seas 8 to 11 feet, occasionally to 14 feet, building to
10 to 12 feet, occasionally to 15 feet after midnight. wave
detail: northeast 11 feet at 7 seconds and east 3 feet at
12 seconds, becoming northeast 12 feet at 8 seconds. a chance of
showers in the evening, then showers likely with a slight chance
of thunderstorms after midnight.
.saturday...northeast winds around 30 knots. seas 11 to 14 feet,
occasionally to 18 feet, building to 13 to 14 feet, occasionally
to 18 feet after midnight. showers with a slight chance of
thunderstorms through the day, then a chance of showers through
the night.
.sunday...northeast winds around 30 knots. seas 12 to 15 feet,
occasionally to 19 feet. a chance of showers in the morning, then
showers likely in the afternoon. a chance of showers in the
evening, then a slight chance of showers after midnight.
winds and seas higher in and near thunderstorms.
$$
(4/4)
Latest Coastal Waters Forecast by KJAX
Issued 10/20/2026 9:17 PM America/New_York.
Valid through 10/21/2026 12:30 PM America/New_York.
fzus52 kjax 210117
cwfjax
expires:202610211630;;913455
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
917 pm edt tue oct 20 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.
amz472-474-211630-
waters from fernandina beach to st. augustine fl from 20 to 60 nm-
waters from st. augustine to flagler beach fl from 20 to 60 nm-
917 pm edt tue oct 20 2026
...small craft advisory in effect through thursday evening...
.rest of tonight...northeast winds around 20 knots. seas 7 to 9
feet, occasionally to 11 feet. wave detail: northeast 9 feet at 12
seconds.
.wednesday...northeast winds 15 to 20 knots. seas 7 to 8 feet,
occasionally to 10 feet. wave detail: northeast 8 feet at
12 seconds.
.wednesday night...north winds 15 to 20 knots. seas 6 to 8 feet,
occasionally to 10 feet. wave detail: northeast 8 feet at
11 seconds.
.thursday...north winds around 15 knots. seas 6 to 7 feet,
occasionally to 9 feet. wave detail: northeast 7 feet at
12 seconds.
.thursday night...northeast winds 15 to 20 knots. seas around
7 feet, occasionally to 9 feet. wave detail: northeast 7 feet at
13 seconds and northeast 3 feet at 6 seconds.
.friday...northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. seas 7 to 8 feet, occasionally to
10 feet. wave detail: northeast 7 feet at 6 seconds and northeast
7 feet at 12 seconds. a slight chance of showers in the
afternoon.
.friday night...northeast winds 25 to 30 knots. seas 9 to
12 feet, occasionally to 15 feet. a chance of showers in the
evening, then showers likely with a slight chance of
thunderstorms after midnight.
.saturday...northeast winds 25 to 30 knots. seas 10 to 12 feet,
occasionally to 15 feet, building to 14 to 15 feet, occasionally
to 19 feet. showers with a slight chance of thunderstorms through
the day, then a chance of showers in the evening. a slight chance
of showers after midnight.
.sunday...northeast winds around 30 knots. seas 14 to 15 feet,
occasionally to 19 feet. a chance of showers in the morning, then
showers likely in the afternoon. a chance of showers in the
evening, then a slight chance of showers after midnight.
winds and seas higher in and near thunderstorms.
$$
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