Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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043
FZUS52 KJAX 190648
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
148 AM EST Wed Nov 19 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.

AMZ400-192200-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
148 AM EST Wed Nov 19 2025

.SYNOPSIS...

High pressure will be the dominant weather feature through the end
of the week resulting in light winds and low seas across the local
waters. Over the weekend, winds turn offshore and become breezy as a
cold front approaches and passes Sunday night. High pressure
building in behind the front will move offshore to the northeast
early next week setting up onshore flow and development of a coastal
trough.


.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.


$$

AMZ450-452-454-192200-
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-
148 AM EST Wed Nov 19 2025

.TODAY...West winds around 5 knots, becoming southeast this
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. Intracoastal waters smooth. Patchy dense fog this
morning.
.TONIGHT...South winds around 5 knots, becoming west after
midnight. Seas around 2 feet. Wave Detail: East 2 feet at
7 seconds. Intracoastal waters smooth.
.THURSDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet
at 7 seconds. Intracoastal waters smooth.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Waves 1 foot or less. Intracoastal
waters smooth.
.FRIDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less. Intracoastal waters light
chop.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas around 2 feet. Intracoastal waters light
chop.
.SATURDAY THROUGH SUNDAY...East winds 5 to 10 knots. Seas around
2 feet. Intracoastal waters light chop.

$$

AMZ470-472-474-192200-
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-
148 AM EST Wed Nov 19 2025

.TODAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Northeast 2 feet at 8 seconds. Areas of dense fog this morning.
.TONIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at
7 seconds.
.THURSDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at
7 seconds.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas around 2 feet in the evening, then
1 foot or less.
.FRIDAY AND FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas
around 2 feet. Wave Detail: South 2 feet at 3 seconds.
.SATURDAY THROUGH SUNDAY...East winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southwest 2 feet at 3 seconds and northeast
2 feet at 5 seconds.

$$