Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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789
FZUS52 KJAX 211930
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
230 PM EST Fri Feb 21 2025

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.

AMZ400-220815-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
230 PM EST Fri Feb 21 2025

.SYNOPSIS...

Elevated north to northeast winds and seas will continue through
the afternoon, then winds and seas begin to subside this evening
as high pressure builds northeast of the region and a weak coastal
trough forms. Late Saturday, a broad area of low pressure crosses
central Florida and then lifts northeast of the local waters
Sunday. High pressure builds north of the waters Monday as another
area of low pressure approaches the southern FL peninsula into
Monday night. This low will track southeast east of the waters
into Tuesday as surface high pressure builds across the eastern
Gulf mid-week.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Feb 20, 2025 at 1200 UTC...

 57 nautical miles east of Flagler Beach.
 66 nautical miles east of Saint Augustine Beach.
 75 nautical miles east of Jacksonville Beach.
 95 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-220815-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
230 PM EST Fri Feb 21 2025

.REST OF TODAY...Northeast winds around 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 7
seconds. Intracoastal waters a moderate chop.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at
7 seconds. Intracoastal waters a moderate chop.
.SATURDAY...Northeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters
light chop.
.SATURDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 9 seconds. Intracoastal waters
light chop.
.SUNDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at
8 seconds. Intracoastal waters light chop.
.SUNDAY NIGHT...East winds around 5 knots, becoming north around
5 knots after midnight. Seas around 2 feet. Wave Detail:
Northeast 2 feet at 8 seconds. Intracoastal waters smooth. A
slight chance of showers after midnight.
.MONDAY...North winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop. A slight chance of showers in the
morning.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop.

$$

AMZ452-454-220815-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
230 PM EST Fri Feb 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7
feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 7
seconds. Intracoastal waters choppy.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 5 feet at
7 seconds. Intracoastal waters a moderate chop.
.SATURDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: Northeast 4 feet at 9 seconds. Intracoastal
waters a moderate chop.
.SATURDAY NIGHT...North winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: Northeast 3 feet at 9 seconds. Intracoastal waters
light chop.
.SUNDAY...North winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 9 seconds and north 2 feet at 4 seconds.
Intracoastal waters a moderate chop.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 7 seconds. Intracoastal waters light
chop. A chance of showers after midnight.
.MONDAY...North winds 5 to 10 knots. Seas 2 to 3 feet.
Intracoastal waters light chop. A slight chance of showers in the
morning.
.TUESDAY...North winds 5 to 10 knots, becoming west. Seas 2 to
3 feet. Intracoastal waters light chop.

$$

AMZ470-472-474-220815-
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-
230 PM EST Fri Feb 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7
feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 9
seconds.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 5 to 7 feet,
subsiding to 4 to 6 feet. Seas occasionally to 8 feet this evening.
Wave Detail: Northeast 6 feet at 9 seconds.
.SATURDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 5 feet at 9 seconds. A slight
chance of showers in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at
9 seconds and north 2 feet at 3 seconds. A slight chance of
showers in the evening.
.SUNDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northeast 3 feet at 9 seconds and north
2 feet at 4 seconds.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds. A chance of showers after
midnight.
.MONDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers, mainly in the morning.
.TUESDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots. Seas 2 to 3 feet.

$$