085
FZUS52 KJAX 200524
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1223 AM EST Thu Nov 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.

AMZ400-202000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1223 AM EST Thu Nov 20 2025

.SYNOPSIS...

High pressure ridging over the Florida panhandle will weaken while
shifting slowly southeastward by Friday afternoon and Saturday. A
weakening and mostly dry frontal boundary will then push southward
through the Georgia waters on Saturday night, with this boundary
pushing across the northeast FL waters on Sunday morning. High
pressure will build east-southeastward from the Upper Midwest on
Sunday night towards the Mid-Atlantic states by early Tuesday, with
breezy onshore winds developing across our local waters from Sunday
afternoon through Monday afternoon. A stronger cold front may then
push eastward across the southeastern states next Wednesday and
Wednesday night, with southerly winds expected to develop ahead of
this front beginning on Tuesday.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Nov 18, 2025 at 1200 UTC...

 50 nautical miles east of Flagler Beach.
 59 nautical miles east of Saint Augustine Beach.
 76 nautical miles east of Jacksonville Beach.
 85 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-202000-
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-
1223 AM EST Thu Nov 20 2025

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 7 seconds. Intracoastal waters light
chop.
.THURSDAY...Northwest winds 5 to 10 knots, becoming northeast in
the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet
at 6 seconds. Intracoastal waters light chop.
.THURSDAY NIGHT...East winds around 5 knots, becoming west after
midnight. Waves 1 foot or less. Intracoastal waters smooth.
.FRIDAY...West winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. Intracoastal waters light chop.
.FRIDAY NIGHT AND SATURDAY...Southwest winds 5 to 10 knots. Seas
around 2 feet. Wave Detail: Northeast 2 feet at 6 seconds.
Intracoastal waters light chop.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas around 2 feet. Intracoastal waters light
chop.
.SUNDAY THROUGH MONDAY...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Intracoastal waters light chop.

$$

AMZ470-472-474-202000-
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-
1223 AM EST Thu Nov 20 2025

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 6 seconds.
.THURSDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 7 seconds.
.THURSDAY NIGHT...Northeast winds around 5 knots, becoming north
after midnight. Seas around 2 feet.
.FRIDAY...West winds around 5 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 6 seconds.
.FRIDAY NIGHT AND SATURDAY...Southwest winds 5 to 10 knots. Seas
around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds and
northeast 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet
at 3 seconds.
.SUNDAY THROUGH MONDAY...Southeast winds 10 to 15 knots. Seas
2 to 3 feet.

$$