Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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941
FZUS52 KJAX 150126
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
926 PM EDT Fri Mar 14 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.

AMZ400-150915-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
926 PM EDT Fri Mar 14 2025

.SYNOPSIS...

High pressure will shift more to the northeast of the region
into Saturday. Sea fog will likely develop tonight into early
Saturday morning across the nearshore waters, focused over the
southeast Georgia nearshore waters. Winds will increase during
the day Saturday from the south to southeast with building seas
leading to small craft advisory conditions by late Saturday
evening over the Florida waters. Small craft advisory conditions
will expand in to the Georgia waters Saturday night into Sunday
as a line of potentially strong to severe thunderstorms moves
into the waters ahead of a cold front. High pressure ridging will
then build in early next week.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Mar 13, 2025 at 1200 UTC...

 64 nautical miles east of Flagler Beach.
 73 nautical miles east of Saint Augustine Beach.
 82 nautical miles east of Jacksonville Beach.
 93 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-150915-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
926 PM EDT Fri Mar 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY AFTERNOON...

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Intracoastal waters light chop. Areas of dense fog.
.SATURDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Southeast 4 feet at 5 seconds. Intracoastal
waters choppy. Areas of fog in the morning.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots, becoming south
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 6 feet at 7 seconds. Intracoastal
waters rough.
.SUNDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Southeast 6 feet at 8 seconds. Intracoastal
waters rough. A chance of showers in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
15 to 20 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 5 feet at 7 seconds and west
2 feet at 4 seconds. Intracoastal waters choppy. A chance of
thunderstorms in the evening. A chance of showers.
.MONDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at
7 seconds and west 3 feet at 3 seconds. Intracoastal waters a
moderate chop.
.MONDAY NIGHT...Northwest winds around 10 knots. Seas 2 to
3 feet. Intracoastal waters light chop.
.TUESDAY THROUGH WEDNESDAY...South winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Intracoastal waters a
moderate chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ452-454-150915-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
926 PM EDT Fri Mar 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY AFTERNOON...

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal
waters light chop. Patchy fog.
.SATURDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. Wave Detail:
Southeast 3 feet at 4 seconds, becoming southeast 5 feet at
5 seconds. Intracoastal waters choppy. Patchy fog in the morning.
.SATURDAY NIGHT...South winds 20 to 25 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 6 feet at
6 seconds. Intracoastal waters rough.
.SUNDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 6 feet at 8 seconds. Intracoastal
waters rough. A chance of showers in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
8 seconds and west 3 feet at 4 seconds. Intracoastal waters
choppy. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers after midnight.
.MONDAY AND MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at
8 seconds and northwest 3 feet at 4 seconds. Intracoastal waters
choppy.
.TUESDAY THROUGH WEDNESDAY...South winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Intracoastal waters a
moderate chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ472-474-150915-
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-
926 PM EDT Fri Mar 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
MONDAY AFTERNOON...

.REST OF TONIGHT...Southeast winds 5 to 10 knots, increasing to
10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 3 seconds and northeast 2 feet at 9 seconds.
.SATURDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Southeast 5 feet at 5 seconds and northeast
2 feet at 9 seconds. A slight chance of showers in the morning.
.SATURDAY NIGHT...South winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 7 feet at
7 seconds and northeast 2 feet at 9 seconds.
.SUNDAY...South winds 20 to 25 knots with gusts up to 35 knots.
Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast
8 feet at 8 seconds. A slight chance of showers in the morning,
then showers likely with a chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 7 feet at
8 seconds and west 4 feet at 4 seconds. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: West 5 feet at 5 seconds and
southeast 4 feet at 7 seconds. A slight chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.TUESDAY...North winds 15 to 20 knots, diminishing to 5 to
10 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming south 10 to
15 knots. Seas 4 to 6 feet, occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ470-150915-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
926 PM EDT Fri Mar 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
MONDAY AFTERNOON...

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east
2 feet at 9 seconds. Patchy fog this evening.
.SATURDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. Wave Detail:
Southeast 3 feet at 4 seconds and east 2 feet at 10 seconds,
becoming southeast 4 feet at 5 seconds and east 2 feet at
9 seconds. A slight chance of showers in the morning.
.SATURDAY NIGHT...South winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 8 feet at
7 seconds.
.SUNDAY...South winds 20 to 25 knots. Gusts up to 35 knots in the
morning. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 8 feet at 8 seconds. A chance of showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 7 feet at
8 seconds and west 3 feet at 5 seconds. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
8 seconds and west 4 feet at 5 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.TUESDAY...North winds 10 to 15 knots, becoming west 5 to
10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming south 10 to
15 knots. Seas 4 to 6 feet, occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$