National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 260922
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
522 AM EDT Mon Sep 26 2022

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.

AMZ400-262115-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
522 AM EDT Mon Sep 26 2022

SYNOPSIS

A cold front will move southeast into the region later Today and
stall on Tuesday. The forecast from mid to late week will be
heavily influenced by the track of Hurricane Ian, which is
forecast to intensify to a major hurricane and track northward
through the eastern Gulf of Mexico Tuesday through Thursday.
Hazardous winds, seas, and periods of rainfall is forecast to
begin Tuesday night. All mariners should stay tuned to the
National Hurricane Center for the latest updates and plan
accordingly.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of
Sep 24, 2022 at 1200 UTC...

 44 nautical miles east northeast of Flagler Beach.
 38 nautical miles east northeast of Saint Augustine Beach.
 34 nautical miles east of Jacksonville Beach.
 58 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


AMZ450-452-454-262115-
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-
522 AM EDT Mon Sep 26 2022

TODAY
West winds 5 to 10 knots, becoming southeast 10 to
15 knots this afternoon. Seas 2 to 3 feet with a dominant period
8 seconds. Intracoastal waters a moderate chop.

TONIGHT
South winds 10 to 15 knots, becoming west after
midnight. Seas 2 to 3 feet with a dominant period 6 seconds.
Intracoastal waters a moderate chop. A slight chance of showers.

TUESDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet with
a dominant period 7 seconds. Intracoastal waters a moderate chop.
A chance of showers. A slight chance of thunderstorms in the
afternoon.

TUESDAY NIGHT
Northeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 4 feet with a dominant
period 6 seconds. Intracoastal waters choppy. A slight chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.

WEDNESDAY
Tropical storm conditions possible. Northeast winds
20 to 25 knots, increasing to 25 to 30 knots in the afternoon.
Seas 4 to 6 feet with a dominant period 5 seconds, building to
6 to 8 feet with a dominant period 6 seconds in the afternoon.
Intracoastal waters very rough. Showers with a chance of
thunderstorms.

WEDNESDAY NIGHT
Tropical storm conditions possible.

THURSDAY
Tropical storm conditions possible.

THURSDAY NIGHT
Hurricane conditions possible.

FRIDAY
Hurricane conditions possible.

FRIDAY NIGHT
South winds 35 to 40 knots with gusts up to
55 knots, diminishing to 25 to 30 knots with gusts up to 45 knots
after midnight. Seas 9 to 12 feet with a dominant period
8 seconds, subsiding to 7 to 10 feet with a dominant period
9 seconds after midnight. Intracoastal waters extremely rough.
Showers likely with a slight chance of thunderstorms.

Winds and waves higher in and near thunderstorms.


AMZ470-472-474-262115-
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-
522 AM EDT Mon Sep 26 2022

TODAY
Northwest winds 5 to 10 knots, becoming east this
afternoon. Seas around 3 feet with a dominant period 8 seconds.

TONIGHT
South winds 10 to 15 knots, becoming southwest after
midnight. Seas around 3 feet with a dominant period 8 seconds. A
slight chance of showers. A slight chance of thunderstorms after
midnight.

TUESDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet with
a dominant period 7 seconds. A chance of showers with a slight
chance of thunderstorms.

TUESDAY NIGHT
East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet with a dominant period
6 seconds. A slight chance of thunderstorms. Showers.

WEDNESDAY
Tropical storm conditions possible. Northeast winds
20 to 25 knots, increasing to 25 to 30 knots in the afternoon.
Seas 4 to 6 feet with a dominant period 5 seconds, building to
6 to 9 feet with a dominant period 6 seconds in the afternoon.
Showers with a chance of thunderstorms.

WEDNESDAY NIGHT
Tropical storm conditions possible.

THURSDAY
Tropical storm conditions possible.

THURSDAY NIGHT
Hurricane conditions possible.

FRIDAY
Hurricane conditions possible.

FRIDAY NIGHT
South winds 30 to 40 knots with gusts up to
55 knots, diminishing to 25 to 30 knots with gusts up to 45 knots
after midnight. Seas 9 to 14 feet with a dominant period
8 seconds, subsiding to 8 to 11 feet with a dominant period
8 seconds after midnight. Showers likely with a slight chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.