998
FZUS52 KJAX 310355
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1155 PM EDT Sun Aug 30 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.

AMZ400-311900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1155 PM EDT Sun Aug 30 2026

.SYNOPSIS...

Onshore flow will continue through the week as a mid level ridge
remains north of the local waters. This will allow for offshore
showers to push towards coastal locations each morning, then onshore
as the sea breeze pushes inland. Small craft advisories are not
expected during the upcoming week.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Aug 30, 2026 at 0000 UTC...

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

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-311900-
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-
1155 PM EDT Sun Aug 30 2026

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 7 seconds. Intracoastal waters light
chop. A slight chance of showers late this evening, then a chance
of showers with a slight chance of thunderstorms.
.MONDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East
3 feet at 7 seconds. Intracoastal waters a moderate chop. A
chance of showers with a slight chance of thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds. Intracoastal waters light chop.
A chance of showers with a slight chance of thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds. Intracoastal waters light chop.
A chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 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.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 12 seconds and east 2 feet at 8 seconds.
Intracoastal waters light chop. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
3 feet. Intracoastal waters light chop. A slight chance of
showers and thunderstorms.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Intracoastal waters light chop. A chance of showers and
thunderstorms through the day, then a slight chance of showers
and thunderstorms through the night.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south. Seas
around 2 feet. Intracoastal waters light chop. A slight chance of
showers and thunderstorms through the day.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-311900-
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-
1155 PM EDT Sun Aug 30 2026

.REST OF TONIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots. Seas around 3 feet. Wave Detail: East 3 feet at
7 seconds. A chance of showers. A slight chance of thunderstorms
late this evening, then a chance of thunderstorms.
.MONDAY...Northeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. Seas around 3 feet. Wave Detail: East
3 feet at 6 seconds. A chance of showers. A chance of
thunderstorms, mainly in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 3 feet. Wave Detail: East
3 feet at 8 seconds. A chance of showers. A slight chance of
thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.TUESDAY...East winds around 10 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 8 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.TUESDAY NIGHT AND WEDNESDAY...East winds 5 to 10 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
8 seconds and east 3 feet at 11 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
10 seconds. A slight chance of showers and thunderstorms.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. A
chance of showers and thunderstorms in the morning, then a slight
chance of showers through the night. A slight chance of
thunderstorms. A chance of showers after midnight.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms through the day.

Winds and seas higher in and near thunderstorms.

$$