980
FZUS52 KJAX 301825
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
225 PM EDT Thu Jul 30 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.

AMZ400-310900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
225 PM EDT Thu Jul 30 2026

.SYNOPSIS...

A frontal zone will be located near or over the area through Friday,
then to the north through the weekend. This will lead to a
prevailing offshore flow through early next week, with the local sea
breeze pinned near the coast each day. A few offshore moving
thunderstorms may be strong with gale force gusts possible.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jul 30, 2026 at 0000 UTC...

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

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-310900-
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-
225 PM EDT Thu Jul 30 2026

.REST OF TODAY...South winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds. Intracoastal waters a
moderate chop. A chance of showers and thunderstorms.
.TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a
moderate chop. A chance of showers. A slight chance of
thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.FRIDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet
at 4 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight.
.SATURDAY...South winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 3 seconds. Intracoastal waters a moderate
chop. A slight chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds. Intracoastal
waters a moderate chop. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.SUNDAY THROUGH MONDAY...South winds 15 to 20 knots. Seas 2 to
4 feet, occasionally to 5 feet. Intracoastal waters choppy.
Showers with thunderstorms likely.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-310900-
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-
225 PM EDT Thu Jul 30 2026

.REST OF TODAY...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southwest 3 feet at 4 seconds. A chance of
showers and thunderstorms.
.TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 3 feet at 4 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at
4 seconds. A slight chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the evening.
.SATURDAY...South winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
2 feet at 3 seconds. A chance of showers with a slight chance of
thunderstorms in the morning, then showers likely with a chance
of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds around 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at
4 seconds and east 2 feet at 8 seconds. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Showers likely through the day. A chance
of thunderstorms. A chance of showers through the night. A slight
chance of thunderstorms after midnight.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. 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.

Winds and seas higher in and near thunderstorms.

$$