Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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FZUS52 KJAX 190012
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
812 PM EDT Thu Apr 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.

AMZ400-190915-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
812 PM EDT Thu Apr 18 2024

.SYNOPSIS...

Weak high pressure ridging continues over local waters through
Friday as a weak trough passes just to the north. By Saturday, a
cold frontal boundary will approach the region and stall along the
FL/GA line before making its way through Sunday through Monday
with chances for showers and thunderstorms returning. High
pressure then builds across area waters once again Tuesday and
into Wednesday.


.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.


$$

AMZ450-452-454-190915-
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-
812 PM EDT Thu Apr 18 2024

.REST OF TONIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 2 to 3 feet with a dominant
period 8 seconds. Intracoastal waters a moderate chop.
.FRIDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet with a dominant period 8 seconds.
Intracoastal waters light chop.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 2 to 3 feet with a dominant period 8 seconds.
Intracoastal waters light chop.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet with a dominant period 8 seconds.
Intracoastal waters light chop. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas 2 to 3 feet with a dominant period
8 seconds. Intracoastal waters light chop. A slight chance of
showers and thunderstorms in the evening.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet with a
dominant period 8 seconds. Intracoastal waters light chop. A
chance of rain with a slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 2 to 3 feet
with a dominant period 8 seconds. Intracoastal waters light chop.
A chance of showers. A chance of thunderstorms, mainly in the
evening.
.MONDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A slight
chance of thunderstorms. A chance of showers in the morning, then
a chance of rain in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 3 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-190915-
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-
812 PM EDT Thu Apr 18 2024

.REST OF TONIGHT...Southwest winds 10 to 15 knots. Seas 3 to
4 feet with a dominant period 8 seconds.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 3 feet with a dominant period 8 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 3 to 4 feet with a dominant
period 8 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 3 feet
with a dominant period 8 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
after midnight. Seas 3 to 4 feet with a dominant period
8 seconds. A slight chance of showers and thunderstorms in the
evening.
.SUNDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet with a dominant
period 8 seconds. A slight chance of rain in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots, becoming
northwest after midnight. Seas 3 to 4 feet with a dominant period
8 seconds. A chance of showers. A slight chance of thunderstorms
in the evening, then a chance of thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots, becoming north 15 to
20 knots in the afternoon. Seas 3 to 4 feet. A slight chance of
thunderstorms. A chance of showers in the morning, then a chance
of rain in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots, becoming northeast
10 to 15 knots after midnight. Seas 3 to 5 feet. A chance of
showers with a slight chance of thunderstorms in the evening.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 4 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$


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