623
FZUS52 KJAX 160912
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
512 AM EDT Wed Jul 16 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.

AMZ400-170015-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
512 AM EDT Wed Jul 16 2025

.SYNOPSIS...

A broad area of low pressure will continue to track westward across
the Florida Panhandle today and tonight with south to southeast
winds continuing at Caution levels. Atlantic high pressure will
extend across the southeast states through Thursday. The high will
shift south and extend across south Florida late Friday into the
weekend as a surface front lingers across Georgia.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jul 15, 2025 at 1200 UTC...

 60 nautical miles east northeast of Flagler Beach.
 59 nautical miles east of Saint Augustine Beach.
 61 nautical miles east of Jacksonville Beach.
 66 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-170015-
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-
512 AM EDT Wed Jul 16 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
6 seconds. Intracoastal waters choppy. A slight chance of showers
this morning, then a chance of showers with a slight chance of
thunderstorms this afternoon.
.TONIGHT...Southeast winds 15 to 20 knots, becoming south 10 to
15 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal
waters choppy. A slight chance of showers in the evening.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters a
moderate chop. A slight chance of showers and thunderstorms in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 7 seconds. Intracoastal waters a moderate chop.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 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 3 feet at 8 seconds. Intracoastal waters light
chop.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Intracoastal waters light chop. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. A slight chance of thunderstorms
in the evening. A slight chance of showers through the night.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-170015-
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-
512 AM EDT Wed Jul 16 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A
chance of showers with a slight chance of thunderstorms this
morning, then a slight chance of showers this afternoon.
.TONIGHT...South winds 15 to 20 knots, decreasing to 10 to 15
knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of
showers after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of
showers and thunderstorms.
.FRIDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds. A slight chance of showers
and thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 8 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms through the day. A
slight chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A
slight chance of showers, then a chance of showers after
midnight.

Winds and seas higher in and near thunderstorms.

$$