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National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 230550
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
150 AM EDT Wed Jun 23 2021

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.

AMZ400-232130-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
150 AM EDT Wed Jun 23 2021

SYNOPSIS

A cold front over southern Georgia will stall near the
Florida/Georgia border today and then gradually dissipate late
this week. Southwesterly winds will persist ahead of the cold
front, then become east northeasterly over the Georgia waters
tonight as high pressure builds in from the northeast. This will
allow winds to become easterly on Thursday as the high builds over
the Mid-Atlantic region. Easterly onshore winds will continue on
Friday as the high wedges down the southeastern seaboard, but
scattered to numerous showers and thunderstorms will continue each
day through Saturday.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of
Jun 17, 2021 at 1200 UTC...

 60 nautical miles east northeast of Flagler Beach.
 68 nautical miles east of Saint Augustine Beach.
 81 nautical miles east of Jacksonville Beach.
 98 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.



AMZ450-452-454-232130-
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-
150 AM EDT Wed Jun 23 2021

TODAY
West winds 10 to 15 knots diminishing to 5 to 10 knots
late in the morning, then becoming east in the afternoon. Seas
3 to 4 feet with a dominant period 8 seconds. A moderate chop on
the intracoastal waters. Slight chance of showers in the morning,
then chance of showers and slight chance of thunderstorms in the
afternoon.

TONIGHT
Southeast winds 10 to 15 knots becoming east after
midnight. Seas 3 to 4 feet with a dominant period 8 seconds. A
light chop on the intracoastal waters. Slight chance of showers
and thunderstorms.

THURSDAY
East winds 10 to 15 knots. Seas 3 to 4 feet with a
dominant period 8 seconds. A moderate chop on the intracoastal
waters. Slight chance of thunderstorms in the morning. Chance of
showers. Chance of thunderstorms in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet. A light chop on the
intracoastal waters. Chance of showers and slight chance of
thunderstorms.

FRIDAY
East winds 5 to 10 knots. Seas 3 to 4 feet. A light
chop on the intracoastal waters. Chance of showers and slight
chance of thunderstorms.

FRIDAY NIGHT
East winds 10 knots. Seas 3 to 4 feet. Slight
chance of showers and thunderstorms.

SATURDAY
East winds 10 to 15 knots. Seas 3 to 4 feet. Showers
and thunderstorms likely.

SATURDAY NIGHT
East winds 10 to 15 knots becoming southeast
5 to 10 knots after midnight. Seas 3 to 4 feet. Slight chance of
showers and thunderstorms.

SUNDAY
East winds 5 to 10 knots. Seas 3 to 4 feet. Chance of
showers and thunderstorms.



AMZ470-472-474-232130-
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-
150 AM EDT Wed Jun 23 2021

TODAY
West winds 10 to 15 knots becoming 10 knots late in the
morning, then becoming northeast 5 to 10 knots early in the
afternoon becoming east late in the afternoon. Seas 3 to 4 feet
with a dominant period 8 seconds. Slight chance of showers in the
morning. Chance of showers and slight chance of thunderstorms in
the afternoon.

TONIGHT
Southeast winds 10 to 15 knots becoming east after
midnight. Seas 3 to 4 feet with a dominant period 8 seconds.
Slight chance of showers in the evening. Slight chance of
thunderstorms. Chance of showers after midnight.

THURSDAY
East winds 10 to 15 knots. Seas 3 to 4 feet with a
dominant period 8 seconds. Chance of showers and slight chance of
thunderstorms.

THURSDAY NIGHT
East winds 10 knots. Seas 3 to 5 feet. Chance
of showers and slight chance of thunderstorms.

FRIDAY
East winds 10 to 15 knots. Seas 3 to 4 feet. Chance of
showers and slight chance of thunderstorms.

FRIDAY NIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet.
Chance of showers and slight chance of thunderstorms.

SATURDAY
East winds 10 to 15 knots. Seas 3 to 5 feet. Chance
of showers and thunderstorms.

SATURDAY NIGHT
Southeast winds 10 to 15 knots. Seas 4 to
5 feet. Slight chance of showers and thunderstorms.

SUNDAY
East winds 10 knots. Seas 4 to 5 feet. Slight chance of
showers and thunderstorms.