127
FZUS52 KJAX 290406
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1206 AM EDT Tue Sep 29 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.

AMZ400-291915-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1206 AM EDT Tue Sep 29 2026

.SYNOPSIS...

High pressure over the region early this week with light and
variable winds, turning onshore in the afternoon over the nearshore
waters from the Atlantic seabreeze circulation. High pressure will
shift northeast of the waters mid to late week with a predominant
east to southeast flow developing and continuing into this weekend.
Increasing moisture in the onshore flow will bring an increase to
numerous showers and embedded thunderstorm activity for Thursday and
Friday and into the upcoming weekend.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 28, 2026 at 0000 UTC...

 58 nautical miles east of Flagler Beach.
 58 nautical miles east of Saint Augustine Beach.
 70 nautical miles east southeast of Jacksonville Beach.
 81 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-291915-
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-
1206 AM EDT Tue Sep 29 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at
4 seconds and east 2 feet at 10 seconds. Intracoastal waters a
moderate chop.
.TUESDAY...Southwest winds 5 to 10 knots, becoming southeast
10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 5 seconds and east 2 feet at 10 seconds.
Intracoastal waters a moderate chop.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 2 feet at 10 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. Intracoastal waters light
chop. A slight chance of showers.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Southeast winds 10 to
15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds
and east 2 feet at 10 seconds. Intracoastal waters a moderate
chop. A slight chance of showers and thunderstorms.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 2 feet at
9 seconds. Intracoastal waters light chop. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon. A slight chance of
showers and thunderstorms through the night.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Intracoastal waters light chop. A chance of showers in the
morning. A slight chance of thunderstorms. A slight chance of
showers.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-291915-
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-
1206 AM EDT Tue Sep 29 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds
and east 3 feet at 10 seconds.
.TUESDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at
5 seconds and east 2 feet at 10 seconds.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at
10 seconds. A slight chance of showers in the evening, then a
chance of showers after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 2 feet at
10 seconds. A slight chance of thunderstorms. A chance of
showers, mainly in the morning.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Southeast winds 5 to
10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds
and east 2 feet at 10 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY THROUGH SATURDAY...Southeast winds 5 to 10 knots. Seas
around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and
east 2 feet at 9 seconds. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$