040
FZUS52 KJAX 032352
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
752 PM EDT Fri Oct 3 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.

AMZ400-041500-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
752 PM EDT Fri Oct 3 2025

.SYNOPSIS...

Small Craft Advisory conditions will continue for the local Atlantic
waters through midweek next week due to persistent onshore flow and
high combined seas between high pressure north of the region and
coastal troughs over the local waters. Waves of gusty showers will
continue to move onshore with a low risk of thunderstorms.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Oct 02, 2025 at 1200 UTC...

 43 nautical miles east of Flagler Beach.
 53 nautical miles east of Saint Augustine Beach.
 61 nautical miles east of Jacksonville Beach.
 75 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-041500-
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-
752 PM EDT Fri Oct 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.REST OF TONIGHT...Northeast winds 20 to 25 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at
7 seconds and east 8 feet at 12 seconds. Intracoastal waters
rough. A chance of showers with a slight chance of thunderstorms.
.SATURDAY...East winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet, building to 7 to 10 feet, occasionally to 13 feet in the
afternoon. Wave Detail: East 8 feet at 8 seconds and east 4 feet
at 12 seconds, becoming east 10 feet at 8 seconds and east 4 feet
at 12 seconds. Intracoastal waters very rough. A slight chance of
thunderstorms in the morning. A chance of showers.
.SATURDAY NIGHT...East winds 25 to 30 knots. Seas 8 to 11 feet,
occasionally to 14 feet. Wave Detail: East 10 feet at 8 seconds
and east 3 feet at 12 seconds. Intracoastal waters very rough. A
chance of showers. A chance of thunderstorms, mainly in the
evening.
.SUNDAY...East winds 25 to 30 knots. Seas 8 to 11 feet,
occasionally to 14 feet. Wave Detail: East 11 feet at 8 seconds.
Intracoastal waters very rough. Showers likely. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon.
.SUNDAY NIGHT...East winds 25 to 30 knots, diminishing to 20 to
25 knots after midnight. Seas 9 to 11 feet, occasionally to
14 feet, subsiding to 7 to 10 feet, occasionally to 13 feet after
midnight. Wave Detail: East 11 feet at 9 seconds, becoming east
10 feet at 9 seconds and east 2 feet at 14 seconds. Intracoastal
waters very rough. Showers likely with a chance of thunderstorms.
.MONDAY...East winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: East 9 feet at 9 seconds
and east 2 feet at 14 seconds. Intracoastal waters rough. A
chance of thunderstorms. Showers.
.MONDAY NIGHT...East winds 20 to 25 knots. Seas 7 to 10 feet,
occasionally to 13 feet. Intracoastal waters rough. A slight
chance of thunderstorms in the evening. A chance of showers.
.TUESDAY...East winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally
to 9 feet after midnight. Intracoastal waters rough. A slight
chance of thunderstorms in the morning. A chance of showers
through the day, then a slight chance of showers through the
night.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Intracoastal waters choppy. A slight
chance of showers in the morning, then a chance of showers in the
afternoon. A slight chance of thunderstorms. A slight chance of
showers through the night.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-041500-
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-
752 PM EDT Fri Oct 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.REST OF TONIGHT...Northeast winds 20 to 25 knots. Seas 8 to
10 feet, occasionally to 13 feet. Wave Detail: East 10 feet at
12 seconds and east 8 feet at 7 seconds. A chance of showers with
a slight chance of thunderstorms.
.SATURDAY...East winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: East 10 feet at 8 seconds and east 9 feet
at 11 seconds. A chance of showers.
.SATURDAY NIGHT...East winds 25 to 30 knots. Seas 9 to 11 feet,
occasionally to 14 feet. Wave Detail: East 11 feet at 8 seconds
and northeast 4 feet at 11 seconds. Showers likely. A chance of
thunderstorms, mainly in the evening.
.SUNDAY...East winds 25 to 30 knots. Seas 10 to 12 feet,
occasionally to 15 feet. Wave Detail: East 11 feet at 8 seconds
and east 2 feet at 14 seconds. Showers likely with a slight
chance of thunderstorms in the morning, then showers with a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT AND MONDAY...East winds 25 to 30 knots. Seas 9 to
12 feet, occasionally to 15 feet. Wave Detail: East 11 feet at
9 seconds and east 3 feet at 14 seconds. Showers with a chance of
thunderstorms.
.MONDAY NIGHT...East winds 20 to 25 knots. Seas 8 to 11 feet,
occasionally to 14 feet. Wave Detail: East 10 feet at 9 seconds
and east 2 feet at 14 seconds. Showers likely with a slight
chance of thunderstorms in the evening, then a chance of showers
after midnight.
.TUESDAY...East winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet. A chance of showers.
.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of showers. A slight chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$