Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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FZUS52 KJAX 190057
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
857 PM EDT Thu Apr 18 2019

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.

AMZ400-190900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
857 PM EDT Thu Apr 18 2019

.SYNOPSIS...
Winds and seas will increase tonight as the pressure gradient
tightens between high pressure to the east of the region and a
cold front to the west. The cold front will sweep through from
the west Friday afternoon and evening with a round of strong to
severe storms expected. Strong winds will remain over the area
through Saturday. High pressure will build overhead Saturday
night through Sunday with decreasing winds and seas into early
next week.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Apr 18, 2019 at 1200 UTC...

 62 nautical miles east of Flagler Beach.
 74 nautical miles east of Saint Augustine Beach.
 83 nautical miles east of Jacksonville Beach.
 88 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-452-454-190900-
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-
857 PM EDT Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY...
...GALE WATCH IN EFFECT FROM 8 AM EDT FRIDAY THROUGH FRIDAY
AFTERNOON...

.REST OF TONIGHT...South winds 20 to 25 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 5 seconds.
Inland waters choppy. A chance of showers in the evening.
Showers likely after midnight.
.FRIDAY...South southwest winds 25 to 30 knots with gusts to
around 40 knots. Seas 6 to 8 feet with occasional seas up to
10 feet. Dominant period 7 seconds. Inland waters rough. Showers
likely and a slight chance of thunderstorms in the morning, then
showers and a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...West southwest winds 20 to 25 knots with gusts to
around 35 knots. Seas 4 to 6 feet with occasional seas up to 8
feet. Dominant period 8 seconds. Inland waters choppy. A slight
chance of showers and thunderstorms in the evening.
.SATURDAY...West winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 6 seconds. Inland
waters a moderate chop.
.SATURDAY NIGHT...West winds 15 to 20 knots. Seas 2 to 4 feet.
Inland waters a moderate chop.
.SUNDAY...West northwest winds 5 to 10 knots becoming southwest
in the afternoon. Seas 2 to 3 feet. Inland waters a light chop.
.SUNDAY NIGHT...South southwest winds 5 to 10 knots becoming west
after midnight. Seas 2 to 3 feet. Inland waters smooth.
.MONDAY AND MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to
3 feet. Inland waters mostly smooth.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Inland waters a light chop.

$$

AMZ470-472-474-190900-
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-
857 PM EDT Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT FRIDAY...
...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH FRIDAY
EVENING...

.REST OF TONIGHT...South winds 20 to 25 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. Dominant period 5 seconds. A
chance of showers in the evening, then showers likely after
midnight.
.FRIDAY...South southwest winds 30 to 35 knots with gusts to
around 45 knots. Seas 8 to 11 feet with occasional seas up to 14
feet. Dominant period 7 seconds. Showers likely and a slight
chance of thunderstorms in the morning, then showers and a chance
of thunderstorms in the afternoon.
.FRIDAY NIGHT...West southwest winds 25 to 30 knots with gusts to
around 40 knots. Seas 7 to 10 feet with occasional seas up to 13
feet. Dominant period 6 seconds. A chance of showers and a slight
chance of thunderstorms in the evening.
.SATURDAY...West southwest winds 20 to 25 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant period 5 seconds.
.SATURDAY NIGHT...West winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet.
.SUNDAY...West northwest winds 10 to 15 knots becoming west
southwest 5 to 10 knots in the afternoon. Seas 3 to 5 feet with
occasional seas up to 6 feet.
.SUNDAY NIGHT...South southwest winds 5 to 10 knots becoming west
northwest after midnight. Seas 3 to 4 feet.
.MONDAY...North winds 5 to 10 knots becoming northeast in the
afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet.

$$


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