Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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FZUS52 KJAX 020928 AAA
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia...UPDATED
National Weather Service Jacksonville FL
528 AM EDT Tue Jun 2 2026

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.

AMZ400-030015-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
528 AM EDT Tue Jun 2 2026

.SYNOPSIS...

A cold front will slide south across the area through tonight. A
surge of north to northeast winds will move south across the
waters behind the front, leading to a period of Small Craft
Advisory level conditions Tonight through Thursday.

High pressure will build to the north Wednesday through Friday. The
high will build more toward the northeast over the weekend.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jun 01, 2026 at 0000 UTC...

 50 nautical miles east of Flagler Beach.
 58 nautical miles east of Saint Augustine Beach.
 70 nautical miles east southeast of Jacksonville Beach.
 76 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.

$$

AMZ450-452-030015-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
528 AM EDT Tue Jun 2 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...

.TODAY...Northwest winds 5 to 10 knots, becoming northeast 15 to
20 knots this afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northeast 4 feet at 9 seconds. Intracoastal
waters choppy. A slight chance of showers this morning, then a
chance of showers and thunderstorms this afternoon.
.TONIGHT...Northeast winds 25 to 30 knots. Seas building to 6 to
9 feet, occasionally to 11 feet. Wave Detail: Northeast 6 feet at
6 seconds, becoming northeast 9 feet at 7 seconds. Intracoastal
waters very rough. A chance of showers and thunderstorms in the
evening, then a slight chance of showers after midnight.
.WEDNESDAY...Northeast winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. Seas 6 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 9 feet at 7 seconds. Intracoastal
waters very rough. A slight chance of showers and thunderstorms
in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at
8 seconds. Intracoastal waters rough.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 10 seconds.
Intracoastal waters choppy. A slight chance of showers in the
morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 10 seconds.
Intracoastal waters a moderate chop.
.FRIDAY THROUGH SATURDAY...Southeast 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.

$$

AMZ454-030015-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
528 AM EDT Tue Jun 2 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TODAY...West winds around 5 knots, becoming northeast this
afternoon. Seas around 3 feet. Wave Detail: Northeast 3 feet at
11 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, increasing to 25 to
30 knots after midnight. Seas building to 5 to 7 feet, occasionally
to 9 feet. Wave Detail: Northeast 3 feet at 9 seconds, becoming
northeast 7 feet at 6 seconds. Intracoastal waters very rough.
Showers likely with a chance of thunderstorms in the evening, then
a chance of showers with a slight chance of thunderstorms after
midnight.
.WEDNESDAY...Northeast winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 8 feet at 7 seconds. Intracoastal
waters very rough. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 7 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at
8 seconds. Intracoastal waters rough.
.THURSDAY...East winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 7 feet at
10 seconds. Intracoastal waters choppy. A slight chance of
showers.
.THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 6 feet at 10 seconds. Intracoastal
waters choppy. A slight chance of showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Intracoastal waters a moderate chop. A
slight chance of showers in the morning, then a slight chance of
showers and thunderstorms in the afternoon.
.SATURDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots. Seas around 3 feet. Intracoastal waters a moderate
chop. A slight chance of showers in the morning.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-030015-
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-
528 AM EDT Tue Jun 2 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...

.TODAY...Northwest winds 5 to 10 knots, becoming northeast 15 to
20 knots this afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 4 feet at 10 seconds. A slight
chance of showers and thunderstorms this morning, then a chance
of showers and thunderstorms this afternoon.
.TONIGHT...Northeast winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. Seas building to 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 7 feet at 7
seconds, becoming northeast 9 feet at 7 seconds. A chance of
showers and thunderstorms in the evening, then a slight chance of
showers after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 9 feet at 8
seconds. A slight chance of showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots, becoming east
15 to 20 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 8 feet at 9 seconds. A slight
chance of showers after midnight.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 7 feet at
10 seconds. A slight chance of showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 10 seconds. A
slight chance of showers.
.FRIDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight
chance of showers in the morning.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ474-030015-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
528 AM EDT Tue Jun 2 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TODAY...West winds 5 to 10 knots, becoming north this afternoon.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
4 feet at 10 seconds. A chance of showers and thunderstorms this
afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, increasing to 20 to
25 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: Northeast 4 feet at 9 seconds, becoming
northeast 7 feet at 7 seconds. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
8 seconds. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 7 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 8 feet at 9 seconds. A slight
chance of showers after midnight.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
10 seconds. A slight chance of showers.
.THURSDAY NIGHT...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 10 seconds. A
slight chance of showers in the evening, then a chance of showers
after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers in the morning, then
a slight chance of showers in the afternoon. A slight chance of
showers after midnight.
.SATURDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight
chance of showers.

Winds and seas higher in and near thunderstorms.

$$