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National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 160654
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
154 AM EST Mon Dec 16 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.

AMZ400-161500-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
154 AM EST Mon Dec 16 2019

SYNOPSIS

High pressure off the mid-Atlantic coast shifts eastward as
southerly winds develop over local waters today. A cold front
moves through on Tuesday bringing showers with embedded
thunderstorms. Strong northerly winds develop behind the front on
Wednesday causing Small Craft Advisory conditions across most of
our local waters. Winds and waves gradually decrease into Friday
as onshore flow develops.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of
Dec 14, 2019 at 1200 UTC...

 42 nautical miles east northeast of Flagler Beach.
 41 nautical miles east of Saint Augustine Beach.
 50 nautical miles east southeast of Jacksonville Beach.
 74 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.



AMZ450-452-454-161500-
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-
154 AM EST Mon Dec 16 2019

TODAY
South southeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 9 seconds. Inland
waters a moderate chop.

TONIGHT
South winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters a
moderate chop.

TUESDAY
Southwest winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 9 seconds. Inland waters a moderate chop. Showers likely
and a slight chance of thunderstorms.

TUESDAY NIGHT
West southwest winds 15 to 20 knots becoming
northwest 20 to 25 knots after midnight. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 6 seconds. Inland waters
choppy. Showers likely and a slight chance of thunderstorms.

WEDNESDAY
North winds 20 to 25 knots with gusts to around
35 knots. Seas 5 to 7 feet with occasional seas up to 9 feet.
Dominant period 6 seconds. Inland waters rough. A chance of showers.

WEDNESDAY NIGHT
North winds 20 to 25 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet.

THURSDAY THROUGH FRIDAY
East northeast winds 15 to 20 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of.



AMZ470-472-474-161500-
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-
154 AM EST Mon Dec 16 2019

TODAY
South winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 9 seconds.

TONIGHT
South winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 9 seconds.

TUESDAY
Southwest winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Showers likely
and a slight chance of thunderstorms.

TUESDAY NIGHT
West southwest winds 15 to 20 knots becoming
northwest 20 to 25 knots after midnight. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 6 seconds. Showers likely
and a slight chance of thunderstorms.

WEDNESDAY
North winds 20 to 25 knots with gusts to around
35 knots. Seas 7 to 10 feet with occasional seas up to 13 feet.
Dominant period 6 seconds. A chance of showers.

WEDNESDAY NIGHT
North winds 20 to 25 knots. Seas 6 to 9 feet
with occasional seas up to 11 feet.

THURSDAY
Northeast winds around 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. A slight chance of showers.

THURSDAY NIGHT
East northeast winds 20 to 25 knots. Seas 6 to
8 feet with occasional seas up to 10 feet. A chance of showers.

FRIDAY
East winds around 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. A chance of showers.