557
FZUS52 KJAX 071826
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
225 PM EDT Mon Sep 7 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.

AMZ400-080900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
225 PM EDT Mon Sep 7 2026

.SYNOPSIS...

A front stalls across north Florida today then shifts south of the
waters tonight into Tuesday as high pressure strengthens to the
northeast. A brief period of Small Craft Exercise Caution conditions
is possible mainly over the Georgia waters overnight tonight and
into Tuesday as a coastal trough develops offshore, then elevated
combined seas may bring Small Craft Exercise Caution conditions to
the outer waters on Wednesday as the coastal trough weakens. High
pressure builds east of the local waters Thursday then extends
across the Florida peninsula Friday into the weekend with a return
of westerly winds and the afternoon east coast sea breeze.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 07, 2026 at 0000 UTC...

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

This data derived from NCEP Global RTOFS model.


$$

AMZ450-470-080900-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
226 PM EDT Mon Sep 7 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH TUESDAY
MORNING...

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds. Intracoastal waters a
moderate chop. A chance of showers and thunderstorms.
.TONIGHT...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
5 seconds. Intracoastal waters a moderate chop. A chance of
showers with a slight chance of thunderstorms.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
7 seconds. Intracoastal waters choppy. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds.
Intracoastal waters a moderate chop. A chance of showers. A
chance of thunderstorms, mainly in the evening.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds.
Intracoastal waters a moderate chop. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
8 seconds. Intracoastal waters light chop. A slight chance of
showers and thunderstorms.
.THURSDAY...Southeast winds 5 to 10 knots, becoming southwest.
Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters
light chop. A slight chance of thunderstorms. A chance of
showers, mainly in the morning.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Intracoastal waters light chop. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ452-080900-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
226 PM EDT Mon Sep 7 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 2 AM EDT TUESDAY
THROUGH TUESDAY MORNING...

.REST OF TODAY...Northeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 6 seconds. Intracoastal
waters a moderate chop. A chance of showers and thunderstorms.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 5 seconds. Intracoastal waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
7 seconds. Intracoastal waters a moderate chop. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
7 seconds. Intracoastal waters a moderate chop. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 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
4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
8 seconds. Intracoastal waters light chop. A slight chance of
showers and thunderstorms.
.THURSDAY THROUGH FRIDAY...Southwest winds 5 to 10 knots. Seas
2 to 4 feet, occasionally to 5 feet. Intracoastal waters light
chop. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ454-080900-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
226 PM EDT Mon Sep 7 2026

.REST OF TODAY...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 9 seconds. Intracoastal
waters light chop. A chance of showers and thunderstorms.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 6 seconds. Intracoastal waters light
chop. A chance of showers. A chance of thunderstorms, mainly in
the evening.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 6 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.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
8 seconds. Intracoastal waters light chop. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 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, becoming south
after midnight. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 8 seconds. Intracoastal waters light
chop. A slight chance of showers and thunderstorms.
.THURSDAY THROUGH FRIDAY...South winds 5 to 10 knots. Seas 2 to
4 feet, occasionally to 5 feet. Intracoastal waters light chop. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ472-080900-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
226 PM EDT Mon Sep 7 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 2 AM EDT TUESDAY
THROUGH TUESDAY MORNING...

.REST OF TODAY...Northeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Northeast 3 feet at 7 seconds. A chance of
showers and thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
6 seconds. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
7 seconds. A chance of showers. A slight chance of thunderstorms
in the morning, then a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY...East winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A slight chance of showers and thunderstorms.
.THURSDAY THROUGH FRIDAY...South winds 5 to 10 knots. Seas 2 to
4 feet, occasionally to 5 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ474-080900-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
226 PM EDT Mon Sep 7 2026

.REST OF TODAY...East winds around 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 7 seconds. A chance of showers and
thunderstorms.
.TONIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 6 seconds. A chance of showers and
thunderstorms.
.TUESDAY...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
7 seconds. A chance of showers. A slight chance of thunderstorms
in the morning, then a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
7 seconds. A chance of showers. A chance of thunderstorms, mainly
in the evening.
.WEDNESDAY...East winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A chance of showers and thunderstorms.
.THURSDAY THROUGH FRIDAY...South winds 5 to 10 knots. Seas 2 to
4 feet, occasionally to 5 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$