210
FZUS52 KJAX 201319
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
919 AM EDT Sun Apr 20 2025

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.

AMZ400-202130-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
919 AM EDT Sun Apr 20 2025

.SYNOPSIS...

Southeasterly winds over local waters into Monday morning as high
pressure remains overhead. High pressure will begin to weaken as
an incoming frontal boundary pushes close to the local waters,
stalling north of the area by midweek. Under the weak flow
pattern, the afternoon sea breezes will be the primary weather
feature, increasing winds across the nearshore waters around 10 to
15 knots each day.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Apr 19, 2025 at 1200 UTC...

 71 nautical miles east of Flagler Beach.
 80 nautical miles east of Saint Augustine Beach.
 89 nautical miles east of Jacksonville Beach.
 94 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-202130-
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-
919 AM EDT Sun Apr 20 2025

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at
7 seconds. Intracoastal waters a moderate chop.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
8 seconds. Intracoastal waters a moderate chop.
.MONDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas around 3 feet. Wave Detail:
Southeast 3 feet at 8 seconds. Intracoastal waters a moderate
chop.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 8 seconds. Intracoastal waters a moderate
chop.
.TUESDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East
3 feet at 8 seconds. Intracoastal waters a moderate chop.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 8 seconds and southeast 2 feet at 4 seconds.
Intracoastal waters a moderate chop.
.WEDNESDAY THROUGH THURSDAY...Southeast winds 5 to 10 knots. Seas
2 to 3 feet. Intracoastal waters light chop.

$$

AMZ470-472-474-202130-
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-
919 AM EDT Sun Apr 20 2025

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at
8 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
8 seconds.
.MONDAY...South winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
8 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: Southeast 4 feet at 8 seconds.
.TUESDAY AND TUESDAY NIGHT...South winds 5 to 10 knots. Seas
around 3 feet. Wave Detail: Southeast 3 feet at 8 seconds and
southeast 2 feet at 4 seconds.
.WEDNESDAY THROUGH THURSDAY...Southeast winds 10 to 15 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast
3 feet at 9 seconds and southeast 2 feet at 4 seconds.

$$