Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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991
FZUS52 KJAX 241550
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
Issued by National Weather Service New Orleans LA
1150 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.

AMZ400-242115-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1150 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 Nine in the gulf on Wednesday morning, winds will
continue to strengthen with tropical storm conditions possible by
early Thursday and continue into Friday morning. 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.


$$

AMZ452-454-242115-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
1150 AM EDT Tue Sep 24 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas around
3 feet. Wave Detail: East 3 feet at 10 seconds and southeast
2 feet at 4 seconds. Intracoastal waters light 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 15 to 20 knots. 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 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: East 6 feet at 6 seconds and east 3 feet at
11 seconds. Intracoastal waters 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
20 to 25 knots with gusts up to 35 knots, increasing to 25 to
35 knots with gusts up to 55 knots in the afternoon. Seas 6 to
8 feet, occasionally to 10 feet, building to 9 to 13 feet,
occasionally to 17 feet in the afternoon. Wave Detail: Southeast
13 feet at 8 seconds and northeast 2 feet at 10 seconds.
Intracoastal waters extremely rough. Showers with a slight chance
of thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions possible.
.FRIDAY...Southwest winds 20 to 25 knots, becoming south 15 to
20 knots in the afternoon. Seas 6 to 9 feet, occasionally to
11 feet, subsiding to 4 to 6 feet, occasionally to 8 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 in the evening, then a
chance of showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots, becoming east in the
afternoon. Seas around 3 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.

$$

AMZ450-242115-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
1150 AM EDT Tue Sep 24 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 10 seconds. Intracoastal waters light
chop.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 10 seconds
and southeast 2 feet at 4 seconds. Intracoastal waters light
chop.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at
5 seconds and east 3 feet at 11 seconds. Intracoastal waters a
moderate chop. A slight chance of showers and thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at
6 seconds and east 2 feet at 11 seconds. Intracoastal waters
choppy. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.THURSDAY...Tropical storm conditions possible. Southeast winds
20 to 25 knots, increasing to 25 to 35 knots with gusts up to
50 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet, building to 8 to 11 feet, occasionally to 14 feet in the
afternoon. Wave Detail: Southeast 11 feet at 7 seconds.
Intracoastal waters extremely rough. A slight chance of
thunderstorms. Showers.
.THURSDAY NIGHT...Tropical storm conditions possible.
.FRIDAY...Southwest winds 20 to 25 knots, becoming south 10 to
15 knots in the afternoon. Seas 7 to 10 feet, occasionally to
13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Intracoastal waters rough. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet after
midnight. Intracoastal waters a moderate chop. A slight chance of
showers. A slight chance of thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal
waters light chop. A slight chance of showers in the morning,
then a chance of showers with a slight chance of thunderstorms in
the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Seas 2 to 3 feet. Intracoastal waters
light chop. A chance of showers with a slight chance of
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-242115-
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-
1150 AM EDT Tue Sep 24 2024

.REST OF 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 10 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 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 5 to 8 feet, occasionally to
10 feet. Wave Detail: Southeast 7 feet at 7 seconds and east
3 feet at 11 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
20 to 25 knots with gusts up to 35 knots, increasing to 25 to
35 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 northeast 3 feet at 10 seconds. Showers
with a slight chance of thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions possible.
.FRIDAY...Southwest winds 20 to 25 knots, becoming south 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 5 to 7 feet,
occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to
6 feet after midnight. 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.

$$