Coastal Waters Forecast
Issued by NWS Jacksonville, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
820
FZUS52 KJAX 081825
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
225 PM EDT Fri May 8 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.

AMZ400-090900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
225 PM EDT Fri May 8 2026

.SYNOPSIS...

A cold front will push south of the local waters today, before
lifting back northward into the waters later tonight and remain in
place as a stationary front this weekend. Periods of showers and
thunderstorms are expected through this weekend, with strong to
isolated severe thunderstorms possible. A stronger cold front will
then push through the local waters on Monday. Northwesterly winds
will strengthen to Caution levels late Monday evening in the wake of
the frontal passage, with winds quickly shifting to northerly Monday
Night and increasing to Small Craft Advisory levels on Tuesday as
high pressure builds north of the region.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
May 08, 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.


$$

AMZ450-452-454-090900-
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-
225 PM EDT Fri May 8 2026

.REST OF TODAY...Northeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Intracoastal
waters a moderate chop. A chance of showers with a slight chance
of thunderstorms.
.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at
5 seconds. Intracoastal waters light chop. A chance of showers
with a slight chance of thunderstorms.
.SATURDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: Northeast 2 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.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas around 2 feet. Wave Detail:
Northeast 2 feet at 7 seconds. Intracoastal waters smooth. A
slight chance of thunderstorms in the evening. A slight chance of
showers.
.SUNDAY...Northwest winds around 5 knots, becoming east around
5 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 8 seconds. Intracoastal waters smooth. A chance of
showers and thunderstorms in the morning, then showers likely
with a slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 10 seconds. Intracoastal waters
smooth. A slight chance of showers in the evening.
.MONDAY...Southwest winds 5 to 10 knots, becoming northwest 20 to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal
waters rough. A chance of showers with a slight chance of
thunderstorms in the morning, then showers with a chance of
thunderstorms through the night. A slight chance of showers after
midnight.
.TUESDAY...Northeast winds 20 to 25 knots, becoming east 15 to
20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal
waters rough. A slight chance of showers in the morning.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-090900-
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-
225 PM EDT Fri May 8 2026

.REST OF TODAY...Northeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Northeast 3 feet at 5 seconds and south
2 feet at 4 seconds. A slight chance of showers and
thunderstorms.
.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
6 seconds. A chance of showers. A slight chance of thunderstorms
in the evening, then a chance of thunderstorms after midnight.
.SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 7 seconds. A chance of showers with a
slight chance of thunderstorms.
.SATURDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 8 seconds. A slight chance of showers
and thunderstorms.
.SUNDAY...West winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
9 seconds. A chance of showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
10 seconds. A chance of showers with a slight chance of
thunderstorms in the evening, then a slight chance of showers
after midnight.
.MONDAY...Southwest winds 5 to 10 knots, becoming northwest 20 to
25 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally
to 6 feet after midnight. A slight chance of showers in the
morning, then showers likely with a chance of thunderstorms
through the night. A slight chance of showers after midnight.
.TUESDAY...Northeast winds 20 to 25 knots, becoming east 15 to
20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight
chance of showers through the day.

Winds and seas higher in and near thunderstorms.

$$