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(1/2)
Latest Coastal Waters Forecast by KJAX
Issued 8/20/2026 8:39 PM America/New_York.
Valid through 8/21/2026 11:45 AM America/New_York.
fzus52 kjax 210039
cwfjax
expires:202608211545;;079104
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
839 pm edt thu aug 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.
amz450-452-454-211545-
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-
839 pm edt thu aug 20 2026
.rest of tonight...south winds 10 to 15 knots, becoming southwest
5 to 10 knots. seas 2 to 3 feet. wave detail: south 2 feet at
4 seconds. intracoastal waters a moderate chop.
.friday...south winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. seas 2 to 3 feet. wave detail: southeast 2 feet
at 4 seconds. intracoastal waters a moderate chop. a slight
chance of showers and thunderstorms in the afternoon.
.friday night...southwest winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: south 3 feet at 4 seconds. intracoastal waters a
moderate chop. a slight chance of showers and thunderstorms in
the evening.
.saturday...southwest winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: south 2 feet at 5 seconds. intracoastal waters a
moderate chop. showers likely with a chance of thunderstorms in
the afternoon.
.saturday night...southwest winds 10 to 15 knots. seas 2 to
3 feet. wave detail: south 2 feet at 5 seconds. intracoastal
waters a moderate chop. a chance of showers and thunderstorms,
mainly in the evening.
.sunday and sunday night...southwest winds 10 to 15 knots. seas
2 to 3 feet. wave detail: south 2 feet at 5 seconds. intracoastal
waters a moderate chop. a slight chance of showers and
thunderstorms.
.monday through tuesday...south winds 10 to 15 knots. seas 2 to
3 feet. intracoastal waters a moderate chop. a slight chance of
showers and thunderstorms.
winds and waves higher in and near thunderstorms.
$$
(2/2)
Latest Coastal Waters Forecast by KJAX
Issued 8/20/2026 8:39 PM America/New_York.
Valid through 8/21/2026 11:45 AM America/New_York.
fzus52 kjax 210039
cwfjax
expires:202608211545;;079105
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
839 pm edt thu aug 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.
amz470-472-474-211545-
waters from altamaha sound ga to fernandina beach fl from 20 to
60 nm-
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-
839 pm edt thu aug 20 2026
.rest of tonight...southwest winds 5 to 10 knots. seas 2 to
3 feet. wave detail: south 2 feet at 4 seconds and east 2 feet at
8 seconds.
.friday...southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. seas 2 to 3 feet. wave detail: south
2 feet at 3 seconds and east 2 feet at 8 seconds.
.friday night...southwest winds 10 to 15 knots. seas around
3 feet. wave detail: south 3 feet at 4 seconds and east 2 feet at
8 seconds. a slight chance of showers and thunderstorms.
.saturday...southwest winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: south 3 feet at 5 seconds and east 2 feet at
8 seconds. a chance of showers and thunderstorms in the
afternoon.
.saturday night...southwest winds 10 to 15 knots. seas around
3 feet. wave detail: south 3 feet at 4 seconds. a chance of
showers. a chance of thunderstorms, mainly in the evening.
.sunday and sunday night...southwest winds 10 to 15 knots. seas
2 to 3 feet. wave detail: southwest 3 feet at 4 seconds. a slight
chance of showers and thunderstorms.
.monday...south winds 5 to 10 knots, increasing to 10 to
15 knots. seas 2 to 3 feet. a slight chance of showers and
thunderstorms through the night.
.tuesday...south winds 5 to 10 knots. seas 2 to 3 feet. a slight
chance of showers and thunderstorms through the day. a chance of
thunderstorms in the evening. a chance of showers through the
night. a slight chance of thunderstorms after midnight.
winds and seas higher in and near thunderstorms.
$$
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