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000
FZUS52 KJAX 201317
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
917 AM EDT Sat Apr 20 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.

AMZ400-202115-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
917 AM EDT Sat Apr 20 2024

.SYNOPSIS...

A weak cold front will approach from the north today and tonight.
The front will move into area waters by early Sunday. The front
will begin to accelerate southward Sunday through Monday.
Scattered thunderstorms will accompany the frontal passage late
this weekend. A surge of north to northeast winds will follow
behind the front by Sunday night and continue Monday, then weaken
and turn onshore Tuesday and Wednesday as high pressure then
builds across area waters once again.

A period of small craft advisory conditions will be possible
beginning as early as Sunday night.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Apr 13, 2024 at 1200 UTC...

 69 nautical miles east northeast of Flagler Beach.
 73 nautical miles east of Saint Augustine Beach.
 85 nautical miles east southeast of Jacksonville Beach.
103 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-202115-
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-
917 AM EDT Sat Apr 20 2024

.REST OF TODAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet
with a dominant period 8 seconds. Intracoastal waters light chop.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet with a
dominant period 11 seconds. Intracoastal waters light chop. A
slight chance of showers and thunderstorms in the evening.
.SUNDAY...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots in the afternoon. Seas 2 to 3 feet with a dominant
period 10 seconds. Intracoastal waters a moderate chop. A chance
of showers with a slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 3 feet with a dominant period
4 seconds. Intracoastal waters choppy. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet with a
dominant period 5 seconds. Intracoastal waters choppy. A chance
of showers. A slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 6 feet with
a dominant period 6 seconds. Intracoastal waters choppy. A slight
chance of showers and thunderstorms in the evening.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-202115-
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-
917 AM EDT Sat Apr 20 2024

.REST OF TODAY...West winds 5 to 10 knots, becoming southwest in
the afternoon. Seas around 3 feet with a dominant period
8 seconds.
.TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Seas around 3 feet with a dominant
period 11 seconds. A slight chance of showers and thunderstorms
in the evening.
.SUNDAY...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots in the afternoon. Seas around 3 feet with a dominant
period 10 seconds. A chance of showers with a slight chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots, becoming north
15 to 20 knots after midnight. Seas 3 to 4 feet with a dominant
period 9 seconds. Showers likely with a chance of thunderstorms.
.MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet with a
dominant period 5 seconds, building to 5 to 7 feet with a
dominant period 5 seconds in the afternoon. A slight chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 6 to 7 feet with
a dominant period 9 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight.
.TUESDAY...Northeast winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Seas 5 to 7 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots, becoming east in the
afternoon. Seas 3 to 5 feet.
.WEDNESDAY NIGHT...South winds around 10 knots, becoming
southwest after midnight. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$