697
FZUS52 KJAX 100954
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
554 AM EDT Thu Sep 10 2026

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.

AMZ400-110100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
554 AM EDT Thu Sep 10 2026

.SYNOPSIS...

High pressure stretching across Georgia and the Carolinas will
gradually weaken while shifting south through the weekend.
Meanwhile, a cold front will move into the Ohio and Tennessee
Valleys by Friday and move toward the area waters early next week.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 09, 2026 at 0000 UTC...

 50 nautical miles east of Flagler Beach.
 58 nautical miles east of Saint Augustine Beach.
 70 nautical miles east southeast of Jacksonville Beach.
 76 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.

$$

AMZ450-452-454-110100-
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-
554 AM EDT Thu Sep 10 2026

.TODAY...Southeast winds around 10 knots. Seas around 3 feet.
Wave Detail: East 3 feet at 7 seconds. Intracoastal waters light
chop. A slight chance of showers and thunderstorms.
.TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds. Intracoastal waters light chop.
A slight chance of showers and thunderstorms in the evening.
.FRIDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
7 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 2 feet at
7 seconds. Intracoastal waters light chop. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 8 seconds. Intracoastal waters light
chop. A slight chance of showers and thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 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, mainly in the evening.
.SUNDAY...South winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop. A chance of showers and
thunderstorms.
.MONDAY...Northeast winds 5 to 10 knots, becoming southeast. Seas
around 2 feet. Intracoastal waters light chop. A slight chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-110100-
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-
554 AM EDT Thu Sep 10 2026

.TODAY...South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance
of showers and thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 7 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and south 2 feet at
3 seconds. A chance of showers and thunderstorms.
.SATURDAY...South winds 5 to 10 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 and thunderstorms, mainly in the
morning.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 8 seconds and southeast 2 feet
at 4 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.MONDAY...North winds around 5 knots, becoming east. Seas 2 to
3 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$