733
FZUS52 KJAX 191744
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
144 PM EDT Sun Jul 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.

AMZ400-200800-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
144 PM EDT Sun Jul 19 2026

.SYNOPSIS...

Tropical Depression Two has developed in the northeastern Gulf today
continuing breezy south-southeasterly winds through mid-week as it
shifts to the northwest away from the region. Winds will reach
Exercise Caution levels each afternoon into evening with winds
potentially strengthening to Small Craft Advisory levels as high
pressure to the east strengthens Monday into Tuesday. For the second
half of the week, offshore flow will develop as a cold front
approaches from the northwest and stalls just north of the waters
later this weekend.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jul 19, 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.
 71 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-200800-
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-
144 PM EDT Sun Jul 19 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal
waters a moderate chop.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a
moderate chop.
.MONDAY...South winds 15 to 20 knots. Seas 2 to 3 feet, building
to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave
Detail: Southeast 3 feet at 5 seconds, becoming southeast 5 feet
at 5 seconds. Intracoastal waters choppy. A slight chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
6 seconds. Intracoastal waters choppy.
.TUESDAY...South winds 15 to 20 knots, becoming southeast 20 to
25 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal
waters rough. A slight chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...South winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 6 feet at 7 seconds. Intracoastal
waters rough.
.WEDNESDAY...South winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Intracoastal waters choppy.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
in the afternoon. A slight chance of thunderstorms through the
night. A chance of showers in the evening, then a slight chance
of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-200800-
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-
144 PM EDT Sun Jul 19 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds.
.MONDAY...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
5 seconds.
.MONDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
6 seconds.
.TUESDAY AND TUESDAY NIGHT...South winds 15 to 20 knots. Seas
4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast
5 feet at 7 seconds.
.WEDNESDAY...South winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
7 seconds.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the evening. A chance of
showers with a slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$