427
FZUS52 KJAX 171727
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
126 PM EDT Tue Jun 17 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.

AMZ400-180900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
126 PM EDT Tue Jun 17 2025

.SYNOPSIS...

High pressure across central Florida today will position east of the
local waters Wednesday. This will focus scattered afternoon and
evening sea breeze storms across inland areas, with less coverage
across local marine waters each evening. Thunderstorm coverage
increases Thursday into the weekend as a surface front edges
southward across Georgia with a return of south to southwest winds
over the local waters.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jun 14, 2025 at 1200 UTC...

 64 nautical miles east of Flagler Beach.
 74 nautical miles east of Saint Augustine Beach.
 89 nautical miles east of Jacksonville Beach.
 99 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-180900-
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-
126 PM EDT Tue Jun 17 2025

.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a
moderate chop.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 5 seconds and southeast 2 feet at 8 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds. Intracoastal waters a
moderate chop.
.THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds and east 2 feet at 8 seconds.
Intracoastal waters a moderate chop. A chance of showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds. Intracoastal waters a moderate
chop. A chance of showers and thunderstorms, mainly in the
evening.
.FRIDAY AND FRIDAY NIGHT...South winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east
2 feet at 8 seconds. Intracoastal waters light chop. A chance of
showers and thunderstorms.
.SATURDAY THROUGH SUNDAY...Southeast winds 5 to 10 knots. Seas
around 2 feet. Intracoastal waters light chop. A chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-180900-
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-
126 PM EDT Tue Jun 17 2025

.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds
and southeast 2 feet at 8 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and southeast 2 feet at
8 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 4 seconds and southeast 2 feet at
8 seconds.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at
8 seconds. A slight chance of showers. A slight chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and southeast 2 feet at
8 seconds. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY AND FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast
2 feet at 8 seconds. A chance of showers and thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms in the morning. A chance of
showers through the day. A chance of thunderstorms in the
afternoon. A slight chance of showers and thunderstorms through
the night.

Winds and seas higher in and near thunderstorms.

$$