Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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854
FZUS52 KJAX 040418
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1218 AM EDT Wed Jun 4 2025

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.

AMZ400-041715-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1218 AM EDT Wed Jun 4 2025

.SYNOPSIS...

High pressure will be northeast of the area over the next few
days. An inverted trough will move up the coast of the FL
peninsula tonight, along the SE GA coast Wednesday morning, and then
to the Carolinas Wednesday afternoon. Troughing will remain near
the coast of the Carolinas through Thursday night, with a weak
high pressure ridge stretching across south FL. A cold front is
expected to move into the southeastern US over the weekend.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jun 03, 2025 at 1200 UTC...

 58 nautical miles east of Flagler Beach.
 66 nautical miles east of Saint Augustine Beach.
 75 nautical miles east of Jacksonville Beach.
 94 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-041715-
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-
1218 AM EDT Wed Jun 4 2025

...SMALL CRAFT EXERCISE CAUTION...

.REST OF TONIGHT...East winds 15 to 20 knots, becoming southeast
10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Intracoastal waters choppy. A
slight chance of thunderstorms. A chance of showers late this
evening, then showers likely.
.WEDNESDAY...Southeast winds around 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds.
Intracoastal waters a moderate chop. Showers likely with a chance
of thunderstorms.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at
7 seconds. Intracoastal waters a moderate chop. Showers likely
with a chance of thunderstorms in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
7 seconds. Intracoastal waters a moderate chop. Showers with a
slight chance of thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Intracoastal
waters a moderate chop. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers after
midnight.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
7 seconds. Intracoastal waters light chop. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas around 2 feet. Intracoastal waters light
chop. A chance of showers with a slight chance of thunderstorms
in the evening.
.SATURDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots. Seas around 2 feet. Intracoastal waters a moderate
chop. A slight chance of showers and thunderstorms in the
morning, then a chance of showers and thunderstorms through the
night. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely through the night. A chance of showers with a slight
chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-041715-
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-
1218 AM EDT Wed Jun 4 2025

...SMALL CRAFT EXERCISE CAUTION...

.REST OF TONIGHT...Southeast winds 15 to 20 knots. Seas around
4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
5 seconds. A slight chance of thunderstorms. A chance of showers
late this evening, then showers likely.
.WEDNESDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds.
Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...South winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: East 5 feet at 7 seconds. Showers likely
with a chance of thunderstorms in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at
7 seconds. Showers with a slight chance of thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at
7 seconds. Showers with a chance of thunderstorms in the evening,
then showers likely with a slight chance of thunderstorms after
midnight.
.FRIDAY...West winds around 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds. Showers likely with a slight chance of thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...Southwest winds around 10 knots, becoming west
after midnight. Seas 2 to 3 feet. A chance of showers with a
slight chance of thunderstorms.
.SATURDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms in the morning. Showers.
Thunderstorms through the night, then a slight chance of
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$