543
FZUS52 KJAX 130529
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
128 AM EDT Mon Oct 13 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.

AMZ400-132000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
128 AM EDT Mon Oct 13 2025

.SYNOPSIS...

Offshore flow prevails through today with elevated combined seas
continuing Small Craft Advisory conditions over the local waters
between high pressure northwest of the region and low pressure to
the northeast. Northeast winds increase late Tuesday into Wednesday
as a front moves across the local waters and high pressure builds
northeast of the region through the end of the week, with a return
of Small Craft Advisory conditions likely for at least the offshore
waters.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Oct 11, 2025 at 1200 UTC...

 56 nautical miles east northeast of Flagler Beach.
 59 nautical miles east of Saint Augustine Beach.
 76 nautical miles east of Jacksonville Beach.
 94 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-132000-
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-
128 AM EDT Mon Oct 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS
AFTERNOON...

.REST OF TONIGHT...Northwest winds 10 to 15 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
11 seconds and north 2 feet at 5 seconds. Intracoastal waters a
moderate chop. A slight chance of showers late this evening.
.MONDAY...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 5 feet at
11 seconds and north 3 feet at 5 seconds. Intracoastal waters a
moderate chop.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming northwest
after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: Northeast 5 feet at 11 seconds. Intracoastal waters light
chop.
.TUESDAY...Northwest winds 10 to 15 knots, becoming northeast in
the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 9 seconds. Intracoastal waters a
moderate chop.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming north
15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal
waters choppy.
.WEDNESDAY AND WEDNESDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast
6 feet at 8 seconds. Intracoastal waters choppy.
.THURSDAY THROUGH FRIDAY...East winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. Intracoastal waters choppy.

$$

AMZ470-472-474-132000-
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-
128 AM EDT Mon Oct 13 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.REST OF TONIGHT...Northwest winds around 15 knots. Seas 6 to
7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at
11 seconds and north 4 feet at 6 seconds. A chance of showers
late this evening, then a slight chance of showers.
.MONDAY...North winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
11 seconds and north 4 feet at 6 seconds.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
9 seconds.
.TUESDAY...North winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
10 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 9 seconds.
.WEDNESDAY AND WEDNESDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast
7 feet at 8 seconds.
.THURSDAY THROUGH FRIDAY...East winds 15 to 20 knots. Seas 5 to
7 feet, occasionally to 9 feet.

$$