571
FZUS52 KJAX 291300
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
900 AM EDT Sun Jun 29 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.

AMZ400-300400-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
900 AM EDT Sun Jun 29 2025

.SYNOPSIS...

Offshore flow continues through Thursday as the Bermuda ridge stays
situated to the south and an unseasonable cool front approaches from
the northwest. Offshore winds will increase to Caution levels
offshore during the evening hours Monday and Tuesday in response to
the approaching boundary. Strong afternoon thunderstorms are
possible over the next several afternoons across the nearshore
waters. Late this week a weak low pressure system may organize over
the region along the leftover boundary. Please stay tuned to the
latest National Hurricane Center outlooks for any potential tropical
low pressure development along this leftover boundary.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jun 28, 2025 at 1200 UTC...

 57 nautical miles east of Flagler Beach.
 72 nautical miles east southeast of Saint Augustine Beach.
 83 nautical miles east of Jacksonville Beach.
 99 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-300400-
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-
900 AM EDT Sun Jun 29 2025

.REST OF TODAY...West winds 5 to 10 knots, becoming south 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 9 seconds and southwest 2 feet at 4 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms this morning, then showers and thunderstorms
likely this afternoon.
.TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 9 seconds.
Intracoastal waters a moderate chop. A chance of showers and
thunderstorms, mainly in the evening.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 4 seconds and east 2 feet at 9 seconds.
Intracoastal waters a moderate chop. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at
9 seconds. Intracoastal waters a moderate chop. A chance of
showers and thunderstorms in the evening, then a slight chance of
showers after midnight.
.TUESDAY AND TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas
2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east
2 feet at 9 seconds. Intracoastal waters a moderate chop. A
chance of showers and thunderstorms.
.WEDNESDAY THROUGH THURSDAY...Southwest winds 5 to 10 knots. Seas
2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and
southeast 2 feet at 8 seconds. Intracoastal waters light chop.
Showers and thunderstorms likely.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-300400-
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-
900 AM EDT Sun Jun 29 2025

.REST OF TODAY...West winds 5 to 10 knots, becoming south 10 to
15 knots this afternoon. Seas around 3 feet. Wave Detail:
Southeast 3 feet at 9 seconds and southwest 2 feet at 4 seconds.
A slight chance of showers and thunderstorms this morning, then a
chance of showers and thunderstorms this afternoon.
.TONIGHT...Southwest winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 4 seconds and east 2 feet at
9 seconds. A chance of showers. A chance of thunderstorms, mainly
in the evening.
.MONDAY...Southwest winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: South 3 feet at 4 seconds and east 2 feet at
9 seconds. Showers likely with a slight chance of thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots, becoming southwest
10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: South 4 feet at 5 seconds and east 2 feet at
9 seconds. A chance of showers. A chance of thunderstorms, mainly
in the evening.
.TUESDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 9 seconds. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
3 feet. Wave Detail: South 3 feet at 4 seconds and east 2 feet at
9 seconds. A chance of thunderstorms. Showers likely, mainly in
the evening.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 3 feet.
A chance of showers with a slight chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon. Showers. A
chance of thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.
.THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Showers through the day. A chance of thunderstorms. A chance of
showers through the night. A slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$