152
FZUS52 KJAX 100529
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
129 AM EDT Fri Oct 10 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.

AMZ400-102000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
129 AM EDT Fri Oct 10 2025

.SYNOPSIS...

Elevated northeast winds will continue over the local waters into
the upcoming weekend. Showers and embedded storms will increase in
coverage through Today as onshore flow continues. A Gale Warning
will be in effect through Saturday night as an area of low pressure
along the Gulf Stream waters adjacent to our region will gradually
strengthening as it moves northward towards the Carolinas this
weekend. Strong north-northeasterly winds and building, very rough
surf will create dangerous conditions throughout our local waters
through Today and into early Sunday. Northerly winds will gradually
subside late this weekend into early next week, with elevated seas
also likely slow to subside across our local waters.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Oct 09, 2025 at 1200 UTC...

 64 nautical miles east of Flagler Beach.
 72 nautical miles east northeast of Saint Augustine Beach.
 75 nautical miles east of Jacksonville Beach.
 92 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ452-454-102000-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
129 AM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT...

.REST OF TONIGHT...Northeast winds 25 to 30 knots. Seas 7 to
9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at
7 seconds. Intracoastal waters very rough. Thunderstorms likely.
Showers.
.FRIDAY...Northeast winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal
waters very rough. Showers with a chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 20 to 25 knots, becoming north
25 to 30 knots after midnight. Seas 7 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 8 feet at 10 seconds.
Intracoastal waters very rough. A chance of thunderstorms.
Showers.
.SATURDAY...North winds 25 to 30 knots. Seas 8 to 11 feet,
occasionally to 14 feet. Wave Detail: Northeast 10 feet at
9 seconds and north 5 feet at 6 seconds. Intracoastal waters very
rough. A chance of showers and thunderstorms in the morning, then
a chance of showers with a slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...North winds 25 to 30 knots. Seas 8 to 11 feet,
occasionally to 14 feet. Wave Detail: Northeast 10 feet at
8 seconds and north 7 feet at 7 seconds. Intracoastal waters very
rough. A slight chance of thunderstorms in the evening. A slight
chance of showers.
.SUNDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 6 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 8 feet at 8 seconds and east
7 feet at 11 seconds. Intracoastal waters rough.
.SUNDAY NIGHT...North winds 15 to 20 knots, becoming northwest
10 to 15 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Intracoastal waters choppy.
.MONDAY THROUGH TUESDAY...Northeast winds 15 to 20 knots. Seas
4 to 6 feet, occasionally to 8 feet. Intracoastal waters choppy.

Winds and waves higher in and near thunderstorms.

$$

AMZ450-102000-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
129 AM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT...

.REST OF TONIGHT...Northeast winds 25 to 30 knots. Seas 7 to
9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at
7 seconds. Intracoastal waters very rough. A chance of
thunderstorms. Showers.
.FRIDAY...Northeast winds 25 to 30 knots. Seas 7 to 10 feet,
occasionally to 13 feet. Wave Detail: Northeast 9 feet at
8 seconds. Intracoastal waters very rough. A chance of
thunderstorms. Showers.
.FRIDAY NIGHT...Northeast winds 25 to 30 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
9 seconds. Intracoastal waters very rough. Showers with a chance
of thunderstorms in the evening, then showers likely with a
slight chance of thunderstorms after midnight.
.SATURDAY...North winds 25 to 30 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 9 feet at
9 seconds and north 3 feet at 7 seconds. Intracoastal waters very
rough. A chance of showers with a slight chance of thunderstorms
in the morning, then a slight chance of showers in the afternoon.
.SATURDAY NIGHT...North winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 6 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 8 feet at 10 seconds and north
4 feet at 6 seconds. Intracoastal waters very rough. A slight
chance of showers.
.SUNDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 5 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 10 seconds and north
3 feet at 6 seconds. Intracoastal waters choppy.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Intracoastal waters a moderate chop.
.MONDAY THROUGH TUESDAY...Northeast winds 10 to 15 knots. Seas
3 to 5 feet, occasionally to 6 feet. Intracoastal waters a
moderate chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ472-474-102000-
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-
129 AM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT...

.REST OF TONIGHT...Northeast winds 20 to 25 knots. Seas 7 to
9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at
8 seconds. Showers with thunderstorms likely.
.FRIDAY...Northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 9 feet at 9 seconds. A chance of
thunderstorms. Showers.
.FRIDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
10 seconds. Showers with thunderstorms likely in the evening,
then showers likely with a chance of thunderstorms after
midnight.
.SATURDAY...Northeast winds 25 to 30 knots. Seas 9 to 11 feet,
occasionally to 14 feet. Wave Detail: Northeast 9 feet at
9 seconds and north 6 feet at 7 seconds. A chance of
thunderstorms. Showers likely, mainly in the morning.
.SATURDAY NIGHT...North winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 9 to 11 feet, occasionally to
14 feet. Wave Detail: Northeast 9 feet at 8 seconds and north
7 feet at 7 seconds. A slight chance of thunderstorms. A chance
of showers, mainly in the evening.
.SUNDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: North 7 feet at 8 seconds and northeast
7 feet at 11 seconds. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...North winds 15 to 20 knots, becoming northwest
10 to 15 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet.
.MONDAY THROUGH TUESDAY...Northeast winds 10 to 15 knots. Seas
5 to 7 feet, occasionally to 9 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ470-102000-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
129 AM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT...

.REST OF TONIGHT...Northeast winds around 25 knots. Seas 9 to
10 feet, occasionally to 13 feet. Wave Detail: Northeast 10 feet
at 8 seconds. Showers with thunderstorms likely.
.FRIDAY...Northeast winds 20 to 25 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: Northeast 10 feet at
9 seconds. Showers with a chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 9 feet at
9 seconds. A chance of thunderstorms. Showers.
.SATURDAY...North winds 25 to 30 knots. Seas 9 to 11 feet,
occasionally to 14 feet. Wave Detail: Northeast 10 feet at
10 seconds and north 5 feet at 7 seconds. A chance of showers
with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 8 to 11 feet, occasionally to
14 feet. Wave Detail: Northeast 11 feet at 10 seconds and north
5 feet at 7 seconds. A chance of showers with a slight chance of
thunderstorms in the evening, then a slight chance of showers
after midnight.
.SUNDAY...North winds 15 to 20 knots. Seas 7 to 10 feet,
occasionally to 13 feet. Wave Detail: Northeast 9 feet at
9 seconds and north 5 feet at 6 seconds. A slight chance of
showers.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.TUESDAY...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$