936
FZUS52 KJAX 180612
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
212 AM EDT Wed Sep 18 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.

AMZ400-182130-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
212 AM EDT Wed Sep 18 2024

.SYNOPSIS...
A weak frontal boundary and pressure pattern will linger over the
region through the middle of the week. The sea breeze returns
with afternoon wind shifts to onshore for the nearshore waters
through Thursday. A frontal passage is expected late this week
with high pressure building down the eastern seaboard by this
weekend. This will lead to an increase in Northeast winds by
Friday and into the weekend with Small Craft Advisory headlines
possible.

.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.


$$

AMZ450-452-454-182130-
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-
212 AM EDT Wed Sep 18 2024

.TODAY...Southwest winds around 5 knots, becoming southeast this
afternoon. Seas around 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms this afternoon.
.TONIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms in the evening.
.THURSDAY...Northwest winds 5 to 10 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters light chop. A slight chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming
northwest after midnight. Seas 2 to 3 feet. Wave Detail: East
3 feet at 10 seconds. Intracoastal waters light chop. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 10 seconds and north 2 feet at
3 seconds. Intracoastal waters a moderate chop. A slight chance
of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Northeast 3 feet at 7 seconds. Intracoastal
waters a moderate chop.
.SATURDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal
waters choppy. A slight chance of showers and thunderstorms
through the night.
.SUNDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal
waters choppy.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-182130-
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-
212 AM EDT Wed Sep 18 2024

.TODAY...West winds around 5 knots, becoming southeast this
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 9 seconds. A chance of showers and thunderstorms
this afternoon.
.TONIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 9 seconds. A chance of showers and thunderstorms,
mainly in the evening.
.THURSDAY...Northwest winds around 10 knots, becoming north in
the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 3 feet at 10 seconds and northwest 2 feet at
3 seconds. A slight chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming
northwest after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: East 3 feet at 10 seconds. A slight chance
of showers and thunderstorms.
.FRIDAY AND FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
4 feet at 7 seconds and north 2 feet at 3 seconds. A slight
chance of showers and thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
7 seconds. A slight chance of showers and thunderstorms in the
morning. A chance of showers and thunderstorms through the night,
then a slight chance of showers and thunderstorms after midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers. A slight
chance of thunderstorms through the night.

Winds and seas higher in and near thunderstorms.

$$