025
FZUS52 KJAX 260017
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
817 PM EDT Fri Sep 25 2026

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.

AMZ400-261530-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
817 PM EDT Fri Sep 25 2026

.SYNOPSIS...

A frontal boundary will extend down the east coast of the US from
low pressure off the northeast US coast through the weekend into
early next week. The pressure gradient between high pressure to the
northwest and this low will weaken Tonight through Saturday,
allowing local conditions to improve.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 25, 2026 at 0000 UTC...

 54 nautical miles east of Flagler Beach.
 62 nautical miles east of Saint Augustine Beach.
 74 nautical miles east southeast of Jacksonville Beach.
 81 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.


$$

AMZ450-261530-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
817 PM EDT Fri Sep 25 2026

...SMALL CRAFT EXERCISE CAUTION...

.REST OF TONIGHT...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 12 seconds.
Intracoastal waters a moderate chop.
.SATURDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: East 5 feet at 12 seconds. Intracoastal
waters a moderate chop.
.SATURDAY NIGHT...Northwest winds around 5 knots, increasing to
5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: East 5 feet at 13 seconds. Intracoastal
waters light chop.
.SUNDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 13 seconds. Intracoastal waters light chop.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas around
3 feet. Wave Detail: East 3 feet at 12 seconds and south 2 feet
at 4 seconds. Intracoastal waters light chop.
.MONDAY AND MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas
2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east
2 feet at 11 seconds. Intracoastal waters a moderate chop.
.TUESDAY THROUGH WEDNESDAY...Southeast winds 5 to 10 knots. Seas
around 2 feet. Intracoastal waters light chop.

$$

AMZ470-472-474-261530-
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-
817 PM EDT Fri Sep 25 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TONIGHT...North winds 15 to 20 knots, diminishing to
10 to 15 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave
Detail: Northeast 9 feet at 12 seconds.
.SATURDAY...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
12 seconds.
.SATURDAY NIGHT...North winds 5 to 10 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 7 feet at
13 seconds.
.SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Northeast 6 feet at 13 seconds.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
12 seconds and southwest 3 feet at 4 seconds.
.MONDAY AND MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest
3 feet at 4 seconds and northeast 3 feet at 11 seconds.
.TUESDAY THROUGH WEDNESDAY...Southeast winds 5 to 10 knots. Seas
2 to 3 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ452-454-261530-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
817 PM EDT Fri Sep 25 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TONIGHT...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 8 feet at
12 seconds. Intracoastal waters a moderate chop.
.SATURDAY...North winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
12 seconds. Intracoastal waters a moderate chop.
.SATURDAY NIGHT...North winds 5 to 10 knots, becoming northwest
after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Northeast 6 feet at 13 seconds. Intracoastal waters light
chop.
.SUNDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 5 feet at 13 seconds. Intracoastal waters light chop.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 12 seconds
and south 2 feet at 3 seconds. Intracoastal waters a moderate
chop.
.MONDAY AND MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at
4 seconds and east 3 feet at 11 seconds. Intracoastal waters a
moderate chop.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms through the night. A slight chance of showers
after midnight.

Winds and waves higher in and near thunderstorms.

$$