978
FZUS52 KJAX 061826
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
226 PM EDT Sun Sep 6 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.

AMZ400-070900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 PM EDT Sun Sep 6 2026

.SYNOPSIS...

High pressure will continue south of the local waters today as a
front approaches from the northeast. Strong thunderstorms are
possible this afternoon and evening as the front approaches. The
front will stall across north Florida Monday, then shifts south of
the waters Monday night 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 Tuesday as a
coastal trough develops offshore. The coastal trough weakens
Wednesday into Thursday. Friday into Saturday, high pressure extends
across south Florida with a return of westerly winds and the
afternoon east coast sea breeze nearshore.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 06, 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.


$$

AMZ450-452-454-070900-
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-
226 PM EDT Sun Sep 6 2026

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas around
2 feet. Intracoastal waters light chop. A chance of showers and
thunderstorms.
.TONIGHT...Southwest winds around 5 knots, becoming northwest
after midnight. Seas around 2 feet. Intracoastal waters smooth. A
chance of showers and thunderstorms.
.MONDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet. Intracoastal waters light chop. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 3 seconds. Intracoastal waters a moderate
chop. A chance of showers. A chance of thunderstorms, mainly in
the evening.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 7 seconds and northeast 2 feet at
4 seconds. Intracoastal waters a moderate chop. A chance of
showers with a slight chance of thunderstorms in the morning,
then showers likely with a chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 3 feet. Wave Detail:
Northeast 3 feet at 7 seconds. Intracoastal waters a moderate
chop. A slight chance of thunderstorms. A chance of showers,
mainly in the evening.
.WEDNESDAY THROUGH THURSDAY...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.

$$

AMZ470-472-474-070900-
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-
226 PM EDT Sun Sep 6 2026

.REST OF TODAY...South winds around 5 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms.
.TONIGHT...Southwest winds around 5 knots, becoming northwest
after midnight. Seas around 2 feet. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
9 seconds. A chance of showers and thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at
8 seconds and east 2 feet at 3 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at
7 seconds and east 2 feet at 4 seconds. Showers likely with a
chance of thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
7 seconds. A chance of showers and thunderstorms.
.WEDNESDAY THROUGH THURSDAY...Southwest winds 5 to 10 knots. Seas
3 to 5 feet, occasionally to 6 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$