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000
FZUS52 KJAX 210120
CWFJAX

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

AMZ400-210930-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
920 PM EDT Sat Apr 20 2024

.SYNOPSIS...

A stalled front will pick up speed and push across the region
through Sunday. A surge on northerly winds behind the front will
elevate seas and may require a Small Craft Advisory Sunday night
through Monday, primarily for strong winds. Scattered
thunderstorms are expected with the frontal passage Sunday
afternoon and evening. Winds will decrease and turn onshore
Tuesday and Wednesday as high pressure then builds across area
waters once again. Another cool front will pass through the waters
during the middle to latter part of next week with onshore winds
returning by next weekend.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Apr 20, 2024 at 1200 UTC...

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

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-210930-
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-
920 PM EDT Sat Apr 20 2024

.REST OF TONIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 2 to 3 feet with a dominant
period 8 seconds. Intracoastal waters a moderate chop.
.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 8 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. Seas 2 to 4 feet with
a dominant period 8 seconds. Intracoastal waters a moderate chop.
Patchy fog in the evening. A chance of thunderstorms. Showers
likely, mainly in the evening.
.MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet with a
dominant period 5 seconds. Intracoastal waters choppy. A chance
of rain with a slight chance of thunderstorms.
.MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 6 feet with a dominant
period 6 seconds. Intracoastal waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
a dominant period 9 seconds. Intracoastal waters a moderate chop.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
a dominant period 9 seconds. Intracoastal waters light chop.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...South winds around 10 knots, becoming
southwest after midnight. Seas 2 to 3 feet.
.THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-210930-
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-
920 PM EDT Sat Apr 20 2024

.REST OF TONIGHT...South winds 10 to 15 knots, becoming west
after midnight. Seas 3 to 4 feet with a dominant period
8 seconds.
.SUNDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas around 3 feet with a dominant
period 8 seconds. 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 3 to 4 feet with a dominant period
8 seconds. A chance of thunderstorms. Showers.
.MONDAY...North winds 15 to 20 knots. Seas 5 to 7 feet with a
dominant period 5 seconds. A slight chance of thunderstorms.
Showers likely, mainly in the morning.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet
with a dominant period 9 seconds. A chance of showers with a
slight chance of thunderstorms in the evening.
.TUESDAY...Northeast winds around 15 knots, diminishing to around
10 knots in the afternoon. Seas 5 to 7 feet with a dominant
period 9 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet with
a dominant period 9 seconds.
.WEDNESDAY...East winds around 5 knots, becoming southeast in the
afternoon. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 4 feet.
.THURSDAY...Southwest winds 5 to 10 knots, becoming southeast
10 to 15 knots in the afternoon. Seas around 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$