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National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 202012
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
312 PM EST Sun Jan 20 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.

AMZ400-210415-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
312 PM EST Sun Jan 20 2019

SYNOPSIS

Strong high pressure will build southeastward from the western
Great Lakes region into the Ohio Valley on Monday and then off the
Carolina coast by Tuesday evening. Frequent Gale Force wind gusts
will continue through early this evening near shore and through
late evening offshore before subsiding after midnight. Onshore
winds will develop by Monday afternoon, and these winds will
strengthen on Tuesday, reaching Small Craft Advisory levels
offshore by Tuesday night. Strong southerly winds will develop on
Wednesday in advance of an approaching cold front, with widespread
showers and a few thunderstorms expected on Wednesday night and
Thursday morning as this front passes through. Strong
northwesterly winds will develop in the wake of this front late
this week.



AMZ450-452-454-210415-
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 PM EST Sun Jan 20 2019

GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING


TONIGHT
Northwest winds 20 to 25 knots early this evening,
with frequent Gale Force gusts expected. Winds will become north
northwest 15 knots after midnight. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 5 seconds. Inland
waters very rough early, becoming a moderate chop after midnight.

MONDAY
North northeast winds 15 to 20 knots. Seas 2 to 4 feet.
Dominant period 4 seconds. Inland waters choppy.

MONDAY NIGHT
East northeast winds around 15 knots. Seas 2 to
4 feet. Dominant period 5 seconds. Inland waters a moderate chop.

TUESDAY
East southeast winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 5 seconds.
Inland waters choppy. A slight chance of showers.

TUESDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Inland waters choppy. A slight
chance of showers.

WEDNESDAY
South southeast winds 15 to 20 knots. Seas 3 to
5 feet with occasional seas up to 6 feet. Inland waters a
moderate chop. A chance of showers.

WEDNESDAY NIGHT
South winds 20 to 25 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Inland waters rough. Showers
and a slight chance of thunderstorms.

THURSDAY
West winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Inland waters choppy. Showers
likely and a slight chance of thunderstorms.

THURSDAY NIGHT
Northwest winds 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Inland waters a moderate chop. A
slight chance of showers.

FRIDAY
Northwest winds 15 to 20 knots. Seas 2 to 4 feet.
Inland waters choppy.



AMZ470-472-474-210415-
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 PM EST Sun Jan 20 2019

GALE WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING


TONIGHT
Northwest winds 25 knots with frequent gusts to Gale
Force this evening, becoming north northwest 20 knots after
midnight. Seas 6 to 9 feet with occasional seas up to 11 feet, 
subsiding to 4 to 6 feet with occasional seas up to 8 feet after
midnight. Dominant period 6 seconds.

MONDAY
North northeast winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 5 seconds.

MONDAY NIGHT
East northeast winds 15 to 20 knots. Seas 4 to 5
feet with occasional seas up to 6 feet. Dominant period 6 seconds.
A slight chance of showers in the evening.

TUESDAY
East southeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 6 seconds. A
chance of showers in the afternoon.

TUESDAY NIGHT
Southeast winds 20 to 25 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. A chance of showers.

WEDNESDAY
South winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. A chance of showers.

WEDNESDAY NIGHT
South winds 25 to 30 knots. Seas 7 to 10 feet
with occasional seas up to 13 feet. Showers and a slight chance
of thunderstorms.

THURSDAY
West southwest winds 20 to 25 knots. Seas 7 to 10
feet with occasional seas up to 13 feet. Showers and a slight
chance of thunderstorms.

THURSDAY NIGHT
Northwest winds 15 to 20 knots. Seas 5 to
7 feet with occasional seas up to 9 feet. A slight chance of
showers.

FRIDAY
Northwest winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet.



Nelson