122
FZUS52 KJAX 200050
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
850 PM EDT Thu Sep 19 2024

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.

AMZ400-200930-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
850 PM EDT Thu Sep 19 2024

.SYNOPSIS...

A weak cold front will move south of the area through tonight.
High pressure will build to the north northeast Friday, and remain
through the early part of next week. This will lead to an increase
in northeast winds and building seas by this weekend, with Small
Craft Exercise Caution levels possible for portions of the
waters on Saturday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 17, 2024 at 1200 UTC...

 43 nautical miles east of Flagler Beach.
 53 nautical miles east of Saint Augustine Beach.
 68 nautical miles east of Jacksonville Beach.
 88 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-452-454-200930-
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-
850 PM EDT Thu Sep 19 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots, becoming north.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 10 seconds.
Intracoastal waters light chop.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 10 seconds
and north 2 feet at 3 seconds. Intracoastal waters a moderate
chop.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northeast 3 feet at 4 seconds and east
2 feet at 10 seconds. Intracoastal waters a moderate chop. A
slight chance of showers and thunderstorms after midnight.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at
5 seconds and east 2 feet at 10 seconds. Intracoastal waters a
moderate chop. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...East winds 10 to 15 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
4 feet at 10 seconds and northeast 3 feet at 5 seconds.
Intracoastal waters a moderate chop.
.MONDAY THROUGH TUESDAY...East winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
10 seconds and east 3 feet at 5 seconds. Intracoastal waters a
moderate chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-200930-
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-
850 PM EDT Thu Sep 19 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: East 3 feet at 10 seconds. Slight chance of a shower
late.
.FRIDAY...North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds and east 3
feet at 10 seconds. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at
5 seconds and east 3 feet at 10 seconds. A chance of showers with
a slight chance of thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
5 seconds and east 3 feet at 9 seconds. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Northeast winds 10 to 15 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast
5 feet at 10 seconds and northeast 4 feet at 6 seconds. A slight
chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$