Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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FZUS52 KJAX 230812
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
312 AM EST Tue Jan 23 2018

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.

AMZ400-231700-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
312 AM EST Tue Jan 23 2018

.SYNOPSIS...
Showers and isolated thunderstorms will move across the waters
this morning ahead of a cold front. The cold front will cross the
waters this afternoon. High pressure will build northwest of the
region tonight, then shift east toward the Carolina coast through
Friday. Strengthening onshore flow is expected late Wednesday
into Thursday as a coastal trough forms near the local waters.
Winds transition to southeast Saturday as the trough lifts
northward as a warm front in advance of an approaching area of low
pressure expected to cross the region early next week.

$$

AMZ450-452-454-231700-
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-
312 AM EST Tue Jan 23 2018

.TODAY...South winds 10 to 15 knots becoming west southwest in the
afternoon. Seas 2 to 4 feet. Dominant period 6 seconds. Inland
waters a light chop. A chance of showers and isolated thunderstorms
in the morning, then a slight chance of showers in the afternoon.
.TONIGHT...North northwest winds 10 to 15 knots. Seas 2 to
4 feet. Dominant period 6 seconds. Inland waters a light chop.
.WEDNESDAY...North northwest winds 10 to 15 knots. Seas 2 to
4 feet. Dominant period 8 seconds. Inland waters a light chop.
.WEDNESDAY NIGHT...North winds 15 to 20 knots. Seas 2 to 3 feet
building to 3 to 5 feet with occasional seas up to 6 feet after
midnight. Dominant period 6 seconds. Inland waters a moderate chop.
.THURSDAY...North northeast winds 15 to 20 knots. Seas 3 to
5 feet with occasional seas up to 6 feet. Inland waters choppy.
.THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet with occasional seas up to 6 feet. Inland waters a
moderate chop.
.FRIDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Inland waters a moderate chop.
.FRIDAY NIGHT AND SATURDAY...East southeast winds 10 to 15 knots.
Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters
a moderate chop.

$$

AMZ470-472-474-231700-
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-
312 AM EST Tue Jan 23 2018

.TODAY...South winds 15 knots shifting to west southwest in the
afternoon 10 to 15 knots. Seas 3 to 4 feet. Dominant period 6
seconds. A chance of showers and isolated thunderstorms.
.TONIGHT...North northwest winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
.WEDNESDAY...North northwest winds 10 to 15 knots. Seas 3 to
5 feet with occasional seas up to 6 feet. Dominant period 8 seconds.
.WEDNESDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 6 seconds.
.THURSDAY...North northeast winds 15 to 20 knots. Seas 4 to
6 feet with occasional seas up to 8 feet.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet with occasional seas up to 8 feet.
.FRIDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet.
.FRIDAY NIGHT AND SATURDAY...East southeast winds 15 to 20 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of
showers.

$$



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