475
FZUS52 KJAX 181748
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
148 PM 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.

AMZ400-190615-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
148 PM 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.


$$

AMZ450-452-454-190615-
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-
148 PM EDT Wed Sep 18 2024

.REST OF TODAY...Southeast winds around 5 knots. Seas around
3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal
waters smooth. A chance of showers. A slight chance of
thunderstorms late this morning, then a chance of thunderstorms
this afternoon.
.TONIGHT...South winds around 5 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters smooth. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight.
.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.
.THURSDAY NIGHT...East winds around 5 knots, becoming northwest
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
10 seconds. Intracoastal waters light chop.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 10 seconds. Intracoastal waters light
chop. A slight chance of showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters
light chop.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Intracoastal waters a moderate chop. A
slight chance of showers in the afternoon.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Intracoastal waters a moderate chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-190615-
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-
148 PM EDT Wed Sep 18 2024

.REST OF TODAY...West winds around 5 knots, becoming east this
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 9 seconds. A slight chance of showers late this
morning, then 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.
.THURSDAY...Northwest winds 5 to 10 knots, becoming northeast in
the afternoon. Seas around 3 feet. Wave Detail: East 3 feet at
10 seconds. A slight chance of showers in the morning.
.THURSDAY NIGHT...East winds around 5 knots, becoming northwest
after midnight. Seas around 3 feet. Wave Detail: East 3 feet at
10 seconds. A slight chance of showers.
.FRIDAY AND FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas
around 3 feet. Wave Detail: Northeast 3 feet at 10 seconds. A
slight chance of showers and thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
8 seconds. A slight chance of showers and thunderstorms, then a
slight chance of showers after midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$