726
FZUS52 KJAX 311245
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
845 AM EDT Sun May 31 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.

AMZ400-010345-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
845 AM EDT Sun May 31 2026

.SYNOPSIS...

Additional rounds of showers and thunderstorms are forecast from
Sunday through Tuesday evening as a front stalls over our area
before a stronger cold front pushes southward across our local
waters on Tuesday night. Northeasterly winds will surge in the wake
of this frontal passage on Tuesday night as high pressure building
over the Ohio and Tennessee Valleys wedges down the southeastern
seaboard, creating Small Craft Advisory conditions from late Tuesday
night through at least Wednesday night throughout our local waters.
Breezy onshore winds and elevated seas are expected through Thursday
night as high pressure gradually weakens over the southeastern
states.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
May 30, 2026 at 0000 UTC...

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

This data derived from NCEP Global RTOFS model.


$$

AMZ450-452-454-010345-
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-
845 AM EDT Sun May 31 2026

.REST OF TODAY...Northwest winds 5 to 10 knots, becoming east
this afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
7 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms this morning, then showers and thunderstorms
likely this afternoon.
.TONIGHT...South winds 5 to 10 knots, becoming west 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southwest
2 feet at 3 seconds and east 2 feet at 7 seconds. Intracoastal
waters a moderate chop. A chance of showers. A chance of
thunderstorms, mainly in the evening.
.MONDAY...West winds 10 to 15 knots, becoming northwest 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 8 seconds and west 2 feet at 3 seconds.
Intracoastal waters a moderate chop. A chance of showers with a
slight chance of thunderstorms in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 9 seconds. Intracoastal waters light
chop. A slight chance of thunderstorms in the evening. A slight
chance of showers.
.TUESDAY...Northwest winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 11 seconds. Intracoastal waters a moderate
chop. A slight chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, increasing to
25 to 30 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet, building to 4 to 6 feet, occasionally to 8 feet after
midnight. Wave Detail: Northeast 4 feet at 10 seconds, becoming
northeast 6 feet at 6 seconds. Intracoastal waters very rough.
Showers 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. Seas 5 to 8 feet, occasionally to 10 feet. Intracoastal
waters very rough. A chance of showers and thunderstorms through
the day, then a slight chance of showers through the night.
.THURSDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal
waters choppy. A slight chance of showers.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-010345-
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-
845 AM EDT Sun May 31 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT
THROUGH MONDAY MORNING...

.REST OF TODAY...Northwest winds 5 to 10 knots, becoming east
this afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds. A chance of showers and thunderstorms.
.TONIGHT...South winds 5 to 10 knots, becoming west 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Southwest 3 feet at 3 seconds and east
3 feet at 8 seconds. A chance of showers and thunderstorms.
.MONDAY...West winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: West 3 feet at 4 seconds and
northeast 3 feet at 8 seconds. A chance of showers with a slight
chance of thunderstorms in the morning, then showers likely with
a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at
10 seconds and west 2 feet at 4 seconds. A slight chance of
showers and thunderstorms.
.TUESDAY...Northwest winds 5 to 10 knots, becoming northeast
10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 3 feet at 11 seconds and west
2 feet at 3 seconds. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 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 10 seconds, becoming
northeast 6 feet at 7 seconds. Showers with a chance of
thunderstorms in the evening, then showers likely with a slight
chance of thunderstorms after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. A chance of showers in the morning. A
slight chance of thunderstorms through the day. A slight chance
of showers.
.THURSDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight
chance of showers in the morning.

Winds and seas higher in and near thunderstorms.

$$