National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FXUS62 KJAX 181331
AFDJAX

Area Forecast Discussion
National Weather Service Jacksonville FL
831 AM EST Sat Jan 18 2020

.UPDATE...

No significant changes planned in update. Mix of sun and
high clouds expected Today. Late in the day a shortwave will
approach from the west...could bring a few showers to our
westernmost counties in SE GA. Adjusted high temp forecast by
just a degree or so higher given latest consensus guidance.

&&

.AVIATION...
[Through 12Z Sunday]

VFR conditions are expected through the end of the period. Winds
from the northeast and east will veer to the southeast by 14Z with
the highest winds at SGJ with 10-12 knots and gusts to 15-18
knots. Winds will subside by 00Z and veer to southerly across all
area terminals to generally 5-10 knots. Have VCSH after 06/07Z at
all terminal sites except for SGJ as showers move into the area
ahead of an approaching cold front on Sunday morning.

&&

.MARINE...

Strong high pressure to our north will move east off the Mid
Atlantic coast to our northeast and weaken through Saturday
evening. Winds over the area waters will relax and then veer
to the southeast and then from the south into Saturday afternoon.
Meanwhile, A low pressure system developing over the western
Great Lakes region will bring a cold front into the southeast
states Saturday evening. It will approach the area waters on
Sunday and bring likely chances of rain during the day. The cold
front will move south of the area waters on Monday with elevated
northerly winds as strong high pressure over the upper plains
moves towards the area waters from the northwest. This high
pressure will move to our northwest on Tuesday and then to our
north on Wednesday keeping northeasterly winds and seas elevated
through the middle of the week.

Rip Currents: High Risk of rip currents today for NE FL beaches
with a Moderate risk of rip currents for SE GA beaches.

&&


.PRELIMINARY POINT TEMPS/POPS...

AMG  71  58  65  32  51 /  10  50  40   0   0
SSI  69  60  68  39  51 /  10  50  50   0   0
JAX  74  60  72  37  56 /  10  40  50  10   0
SGJ  73  61  72  42  57 /   0  40  60  20   0
GNV  76  59  71  38  56 /   0  60  60  10   0
OCF  77  59  74  41  58 /   0  50  60  20   0

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...High Rip Current Risk until 4 PM EST this afternoon for Coastal
     Duval-Coastal Flagler-Coastal Nassau-Coastal St. Johns.

GA...None.
AM...Small Craft Advisory until 9 AM EST Sunday for 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.

     Small Craft Advisory until 4 PM EST this afternoon for Coastal
     waters from Fernandina Beach to St. Augustine FL out 20 NM-
     Coastal waters from St. Augustine to Flagler Beach FL out
     20 NM.

&&