Jacksonville, FL Coastal Forecast

FZUS52 KJAX 240527
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1227 AM EST Wed Dec 24 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.

AMZ400-242030-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1227 AM EST Wed Dec 24 2025

.SYNOPSIS...

A weak trough will move south across area waters Wednesday night,
otherwise high pressure ridging will prevail through Saturday. The
high will move to the south on Sunday. A cold front will move
southeast across region Sunday night into Monday.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Dec 23, 2025 at 0000 UTC...

50 nautical miles east of Flagler Beach.
53 nautical miles east of Saint Augustine Beach.
64 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-242030-
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-
1227 AM EST Wed Dec 24 2025

.TODAY...Northwest winds 5 to 10 knots, becoming north this
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 9 seconds. Intracoastal waters light chop.
.TONIGHT...Southeast winds around 5 knots, becoming northwest
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters smooth.
.THURSDAY...West winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 9 seconds. Intracoastal waters smooth.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 9 seconds. Intracoastal waters light
chop.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters light chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 9 seconds and southwest 2 feet at 3 seconds.
Intracoastal waters a moderate chop.
.SATURDAY THROUGH SUNDAY...Southwest winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Intracoastal waters a
moderate chop.

$$

AMZ470-472-474-242030-
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-
1227 AM EST Wed Dec 24 2025

.TODAY...Northwest winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds.
.TONIGHT...North winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 9 seconds.
.THURSDAY...Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 9 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: East 3 feet at 9 seconds and west 2 feet at
3 seconds.
.FRIDAY AND FRIDAY NIGHT...West winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: West 3 feet at
4 seconds and northeast 3 feet at 9 seconds.
.SATURDAY...West winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 11 seconds
and west 3 feet at 4 seconds.
.SUNDAY...West winds around 10 knots, becoming southwest 15 to
20 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to
4 to 6 feet, occasionally to 8 feet after midnight.

$$