356
FZUS52 KJAX 270916
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
516 AM EDT Mon Jul 27 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.

AMZ400-280030-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
516 AM EDT Mon Jul 27 2026

.SYNOPSIS...

A nearly stationary frontal boundary just north of the local waters
will dissipate early this week. Another front will approach from the
north during the middle of the week with offshore southwest winds
increasing to near advisory levels from Wednesday through Friday.
This will bring a return to a stormy weather pattern to the local
waters late in the week and into next weekend.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jul 26, 2026 at 0000 UTC...

 46 nautical miles east of Flagler Beach.
 49 nautical miles east of Saint Augustine Beach.
 60 nautical miles east southeast of Jacksonville Beach.
 68 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-280030-
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-
516 AM EDT Mon Jul 27 2026

.TODAY...Northwest winds 5 to 10 knots, becoming southeast this
afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at
4 seconds and east 2 feet at 8 seconds. Intracoastal waters light
chop.
.TONIGHT...South winds around 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
4 seconds and east 2 feet at 8 seconds. Intracoastal waters light
chop. A slight chance of showers and thunderstorms in the
evening.
.TUESDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 2 feet at 8 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 15 to 20 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. Intracoastal waters
choppy.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 4 seconds. Intracoastal waters a
moderate chop. Showers likely with a chance of thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at
4 seconds. Intracoastal waters choppy. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight.
.THURSDAY THROUGH FRIDAY...Southwest winds 15 to 20 knots. Seas
2 to 3 feet. Intracoastal waters choppy. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-280030-
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-
516 AM EDT Mon Jul 27 2026

.TODAY...West winds 10 to 15 knots, becoming southeast 5 to
10 knots this afternoon. Seas 2 to 3 feet. Wave Detail: West
3 feet at 4 seconds and east 2 feet at 8 seconds. A slight chance
of showers and thunderstorms this morning.
.TONIGHT...Southwest winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 2 feet at
8 seconds.
.TUESDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southwest 2 feet at 4 seconds and east 2 feet at 8 seconds.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southwest 4 feet at
5 seconds and east 2 feet at 8 seconds.
.WEDNESDAY...Southwest winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 4 feet at
5 seconds and east 2 feet at 8 seconds. A chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: Southwest 5 feet at
5 seconds. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.THURSDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers. A chance of
thunderstorms .
.FRIDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$