409
FZUS52 KJAX 021730
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
130 PM EDT Thu Oct 2 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.

AMZ400-030830-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
130 PM EDT Thu Oct 2 2025

.SYNOPSIS...

Small Craft Advisory conditions with strong northeasterly winds
and elevated seas will persist across the coastal waters through
the upcoming weekend and into next week, along with occasional
wind gusts to Gale Force. Coastal troughing will sharpen over our
local waters late this week, generating increasing chances for
showers and embedded thunderstorms. Winds will shift to easterly
by Friday and the weekend as high pressure shifts offshore of the
Carolinas.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 30, 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.
 77 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-030830-
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-
130 PM EDT Thu Oct 2 2025

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

.REST OF TODAY...Northeast winds 20 to 25 knots with gusts up to
35 knots. Seas 8 to 9 feet, occasionally to 11 feet. Wave Detail:
Northeast 9 feet at 11 seconds and northeast 3 feet at 5 seconds.
Intracoastal waters rough. A chance of showers. A slight chance
of thunderstorms this afternoon.
.TONIGHT...Northeast winds 20 to 25 knots. Gusts up to 35 knots
in the evening. Seas 8 to 10 feet, occasionally to 13 feet. Wave
Detail: East 9 feet at 11 seconds and northeast 7 feet at
7 seconds. Intracoastal waters rough. A chance of thunderstorms.
Showers likely.
.FRIDAY...Northeast winds 25 to 30 knots with gusts up to
40 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave
Detail: East 10 feet at 11 seconds and northeast 9 feet at
7 seconds. Intracoastal waters very rough. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 25 to 30 knots with gusts up to
40 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave
Detail: East 9 feet at 7 seconds and east 9 feet at 12 seconds.
Intracoastal waters very rough. A chance of showers and
thunderstorms.
.SATURDAY...East winds 25 to 30 knots with gusts up to 40 knots.
Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: East
11 feet at 8 seconds and east 7 feet at 12 seconds. Intracoastal
waters very rough. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.SATURDAY NIGHT...East winds 25 to 30 knots with gusts up to
40 knots. Seas 9 to 11 feet, occasionally to 14 feet. Wave
Detail: East 11 feet at 8 seconds and east 2 feet at 11 seconds.
Intracoastal waters very rough. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.SUNDAY...Southeast winds 25 to 30 knots. Seas 8 to 11 feet,
occasionally to 14 feet. Intracoastal waters very rough. Showers
likely with a chance of thunderstorms.
.MONDAY...East winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Intracoastal waters rough. Showers
likely in the morning. A chance of thunderstorms. A chance of
showers. A slight chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-030830-
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-
130 PM EDT Thu Oct 2 2025

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

.REST OF TODAY...Northeast winds 20 to 25 knots with gusts up to
35 knots. Seas 9 to 10 feet, occasionally to 13 feet. Wave
Detail: Northeast 10 feet at 11 seconds. A chance of showers with
a slight chance of thunderstorms.
.TONIGHT...East winds 20 to 25 knots with gusts up to 35 knots.
Seas 9 to 11 feet, occasionally to 14 feet. Wave Detail:
Northeast 10 feet at 11 seconds and northeast 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.
.FRIDAY...East winds 20 to 25 knots with gusts up to 35 knots.
Seas 10 to 11 feet, occasionally to 14 feet. Wave Detail: East
11 feet at 11 seconds and east 5 feet at 7 seconds. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 20 to 25 knots with gusts up to
35 knots. Seas 9 to 11 feet, occasionally to 14 feet. Wave
Detail: East 11 feet at 12 seconds and east 10 feet at 8 seconds.
A chance of showers and thunderstorms.
.SATURDAY AND SATURDAY NIGHT...East winds 25 to 30 knots with
gusts up to 40 knots. Seas 9 to 12 feet, occasionally to 15 feet.
Wave Detail: East 11 feet at 10 seconds and southeast 10 feet at
8 seconds. Showers likely with a chance of thunderstorms.
.SUNDAY THROUGH MONDAY...East winds 25 to 30 knots. Seas 8 to
11 feet, occasionally to 14 feet. Wave Detail: Southeast 10 feet
at 8 seconds and northeast 7 feet at 10 seconds. Showers likely
with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$