366
FZUS52 KJAX 101729
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
129 PM 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.

AMZ400-110800-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
129 PM 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.


$$

AMZ452-454-110800-
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 PM EDT Fri Oct 10 2025

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

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

Winds and waves higher in and near thunderstorms.

$$

AMZ450-110800-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
129 PM EDT Fri Oct 10 2025

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

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

$$

AMZ472-474-110800-
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 PM EDT Fri Oct 10 2025

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

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

Winds and seas higher in and near thunderstorms.

$$

AMZ470-110800-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
129 PM EDT Fri Oct 10 2025

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

.REST OF TODAY...Northeast winds 20 to 25 knots. Seas 8 to
9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at
9 seconds. Showers. A chance of thunderstorms late this morning,
then thunderstorms likely this afternoon.
.TONIGHT...Northeast winds 20 to 25 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: East 10 feet at 10 seconds.
Showers. Thunderstorms likely, mainly in the evening.
.SATURDAY...North winds 25 to 30 knots. Seas 9 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
thunderstorms. Showers likely, mainly in the morning.
.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 9 seconds and north
6 feet at 7 seconds. A slight chance of thunderstorms. A chance
of showers, mainly in the evening.
.SUNDAY...North winds 15 to 20 knots. Seas 7 to 10 feet,
occasionally to 13 feet. Wave Detail: Northeast 9 feet at
10 seconds and north 5 feet at 6 seconds. A slight chance of
thunderstorms in the morning. A slight chance of showers.
.SUNDAY NIGHT...Northwest winds around 15 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at
11 seconds. A slight chance of showers in the evening.
.MONDAY...North 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.
.TUESDAY...North winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.

Winds and seas higher in and near thunderstorms.

$$