842
FZUS52 KJAX 240717
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
317 AM EDT Tue Sep 24 2024

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.

AMZ400-242130-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
317 AM EDT Tue Sep 24 2024

.SYNOPSIS...

A weak pressure pattern and light onshore flow continues today.
Small Craft Advisory conditions expected to develop during the
evening hours on Wednesday with the approach of Potential Tropical
Cyclone 9 in the gulf on Wed morning, winds will continue to
strengthen with tropical storm conditions possible by early
Thursday and continue into Thursday night. Some gradual
improvement on Friday as the system pulls away to the north. A
trough may linger over the region Friday night into the weekend
with winds and seas below small craft advisory levels.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 21, 2024 at 1200 UTC...

 57 nautical miles east of Flagler Beach.
 54 nautical miles east of Saint Augustine Beach.
 65 nautical miles east southeast of Jacksonville Beach.
 90 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-242130-
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-
317 AM EDT Tue Sep 24 2024

.TODAY...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: East
3 feet at 10 seconds and southeast 2 feet at 4 seconds.
Intracoastal waters a moderate chop.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at
4 seconds and east 3 feet at 10 seconds. Intracoastal waters a
moderate chop.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 5 feet at 5 seconds and east
3 feet at 11 seconds. Intracoastal waters choppy. A slight chance
of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 20 to 25 knots, increasing to
25 to 30 knots after midnight. Seas 5 to 8 feet, occasionally to
10 feet. Wave Detail: Southeast 8 feet at 7 seconds and east
2 feet at 11 seconds. Intracoastal waters very rough. A chance of
showers and thunderstorms in the evening, then showers likely
with a slight chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. Southeast winds
25 to 30 knots, increasing to 30 to 40 knots with gusts up to
50 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet, building to 9 to 13 feet, occasionally to 17 feet in the
afternoon. Wave Detail: Southeast 13 feet at 8 seconds and east
2 feet at 10 seconds. Intracoastal waters extremely rough.
Showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...Hurricane conditions possible.
.FRIDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 6 to 9 feet, occasionally to
11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Intracoastal waters rough. A chance of showers with a
slight chance of thunderstorms.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Intracoastal waters a moderate chop. A
slight chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots, becoming east in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal
waters light chop. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming northwest
after midnight. Seas 2 to 3 feet. Intracoastal waters light chop.
A chance of showers. A chance of thunderstorms, mainly in the
evening.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-242130-
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-
317 AM EDT Tue Sep 24 2024

.TODAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds
and southeast 2 feet at 4 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 11 seconds
and southeast 3 feet at 4 seconds.
.WEDNESDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
6 seconds and northeast 4 feet at 11 seconds. A slight chance of
showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to
7 feet, occasionally to 9 feet, building to 7 to 8 feet,
occasionally to 10 feet after midnight. Wave Detail: Southeast
8 feet at 7 seconds and east 3 feet at 10 seconds. A slight
chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.THURSDAY...Tropical storm conditions possible. Southeast winds
25 to 30 knots, increasing to 30 to 40 knots with gusts up to
50 knots in the afternoon. Seas 8 to 9 feet, occasionally to
11 feet, building to 10 to 14 feet, occasionally to 18 feet in
the afternoon. Wave Detail: Southeast 13 feet at 8 seconds and
northeast 3 feet at 10 seconds. Showers with a slight chance of
thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions possible.
.FRIDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 8 to 11 feet, occasionally to
14 feet, subsiding to 5 to 8 feet, occasionally to 10 feet in the
afternoon. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Seas around 3 feet. A chance of showers
and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$