Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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FZUS52 KJAX 171419
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1019 AM EDT Tue Sep 17 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.

AMZ400-172115-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1019 AM EDT Tue Sep 17 2024

.SYNOPSIS...

Winds and seas subside today as a subtropical low pressure system
weakens over the Carolinas. A leftover frontal boundary and weak
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
north of the region by this weekend and will lead to an increase
in Northeast winds by Friday and Saturday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 14, 2024 at 1200 UTC...

 64 nautical miles east of Flagler Beach.
 73 nautical miles east of Saint Augustine Beach.
 85 nautical miles east southeast of Jacksonville Beach.
 87 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-452-454-172115-
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-
1019 AM EDT Tue Sep 17 2024

.REST OF TODAY...Northwest winds around 5 knots, becoming east
this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: East 5 feet at 10 seconds. Intracoastal waters light
chop.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 10 seconds. Intracoastal waters light
chop. A slight chance of showers and thunderstorms in the
evening.
.WEDNESDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. 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 afternoon.
.WEDNESDAY NIGHT...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. Showers and
thunderstorms likely, mainly 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.
.THURSDAY NIGHT...Southeast 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. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY THROUGH 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 and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-172115-
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-
1019 AM EDT Tue Sep 17 2024

...SMALL CRAFT EXERCISE CAUTION DUE TO SEAS...

.REST OF TODAY...Northwest winds 5 to 10 knots, becoming
northeast this afternoon. Seas 4 to 6 feet, occasionally to 7
feet. Wave Detail: Northeast 5 feet at 10 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: East 4 feet at 9 seconds. A slight chance of showers and
thunderstorms.
.WEDNESDAY...West winds around 5 knots, becoming southeast in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 9 seconds. A chance of showers and thunderstorms
in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 9 seconds. Showers and thunderstorms
likely, mainly in the evening.
.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 chance of showers and thunderstorms, mainly 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 chance of showers and thunderstorms, mainly in the
evening.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A slight chance of showers and
thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms through the night. A slight chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$