871
FZUS52 KJAX 190529
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1229 AM EST Thu Feb 19 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.

AMZ400-192000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1229 AM EST Thu Feb 19 2026

.SYNOPSIS...

High pressure east of the Florida Peninsula will continue to extend
a ridge axis westward across area waters through Saturday. An
approaching frontal boundary and breezy southwesterly flow will
result periods of isolated to scattered showers through this time
frame, especially over GA waters. Showers will increase SAturday
Night through Sunday Morning as the front moves through, with a
breezy northwesterly flow developing behind the front as well as
likely Small Craft Advisory conditions. High pressure north and west
of the region will then be the main weather feature early next week,
slowly moving almost directly over the area by mid week.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Feb 18, 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.
 80 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-192000-
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-
1229 AM EST Thu Feb 19 2026

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at
6 seconds and east 3 feet at 11 seconds. Intracoastal waters
light chop. Patchy dense fog.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at
6 seconds and east 2 feet at 11 seconds. Intracoastal waters a
moderate chop. Patchy dense fog in the morning.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at
6 seconds and east 2 feet at 13 seconds. Intracoastal waters a
moderate chop.
.FRIDAY...Southwest winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds and east 2 feet at
12 seconds. Intracoastal waters a moderate chop. A slight chance
of showers in the morning, then a chance of showers in the
afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds and east 2 feet at
12 seconds. Intracoastal waters light chop. A slight chance of
showers.
.SATURDAY...Southwest 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 5 seconds and east 2 feet at 11 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
in the morning, then a chance of showers in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Intracoastal waters a moderate chop. Showers likely. A
slight chance of thunderstorms after midnight.
.SUNDAY...West winds 20 to 25 knots, becoming northwest 25 to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal
waters very rough. A chance of showers with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon.
.MONDAY...Northwest winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Intracoastal waters rough.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-192000-
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-
1229 AM EST Thu Feb 19 2026

.REST OF TONIGHT...Southwest winds around 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at
6 seconds and northeast 3 feet at 11 seconds. Patchy dense fog.
.THURSDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 3 feet at
6 seconds and east 3 feet at 11 seconds. Patchy dense fog in the
morning.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at
5 seconds and east 3 feet at 13 seconds.
.FRIDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds
and east 2 feet at 12 seconds. A slight chance of showers in the
afternoon.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds
and east 2 feet at 11 seconds. A slight chance of showers.
.SATURDAY...Southwest winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 5 seconds and east 2 feet at
11 seconds. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Showers likely in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.SUNDAY...Northwest winds 25 to 30 knots. Seas 3 to 5 feet,
occasionally to 6 feet, building to 7 to 10 feet, occasionally to
13 feet. Showers likely with a slight chance of thunderstorms in
the morning, then a chance of showers in the afternoon.
.MONDAY...Northwest winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet. A slight chance of showers after
midnight.

Winds and seas higher in and near thunderstorms.

$$