588
FZUS52 KJAX 100002
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
802 PM EDT Sat May 9 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.

AMZ400-101515-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
802 PM EDT Sat May 9 2026

.SYNOPSIS...

A frontal boundary near the Florida/Georgia border will be stationary
this weekend. Periods of showers and thunderstorms are expected
through this weekend, with strong to isolated severe thunderstorms
possible mainly during the afternoon and evening time. A stronger
cold front will then push through the local waters on Monday.
Northwest winds will strengthen to Caution levels late Monday
evening in the wake of the frontal passage, with winds quickly
shifting to north Monday Night and increasing to Small Craft
Advisory levels on Tuesday as high pressure builds north of the
region.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
May 09, 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.
 76 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.

$$

AMZ450-452-454-101515-
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-
802 PM EDT Sat May 9 2026

.REST OF TONIGHT...Northwest to west winds around 5 knots, becoming
southwest. Seas around 2 feet. Wave Detail: Northeast 2 feet at 6
seconds. Intracoastal waters smooth. A chance of showers with a
slight chance of thunderstorms.
.SUNDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. Intracoastal waters light chop. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 9 seconds. Intracoastal waters
smooth. A slight chance of showers in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Intracoastal waters light chop. A slight chance of showers and
thunderstorms in the morning, then showers with a chance of
thunderstorms in the afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming northwest
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Northwest 2 feet at 3 seconds. Intracoastal waters choppy.
Showers likely with a slight chance of thunderstorms in the
evening, then a chance of showers after midnight.
.TUESDAY...Northeast winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: North 6 feet at 5 seconds.
Intracoastal waters rough. A chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Intracoastal waters choppy. A slight chance of
thunderstorms in the evening. A slight chance of showers.
.WEDNESDAY...East winds 5 to 10 knots, becoming south. Seas 4 to
6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally
to 5 feet after midnight. Intracoastal waters light chop. A
slight chance of showers and thunderstorms.
.THURSDAY...South winds 5 to 10 knots, becoming west. Seas 2 to
4 feet, occasionally to 5 feet. Intracoastal waters light chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-101515-
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-
802 PM EDT Sat May 9 2026

.REST OF TONIGHT...Northwest winds around 5 knots, becoming
southwest. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds. A chance of showers with a slight chance of
thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. A slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
9 seconds. A slight chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 12 seconds. A slight chance of
showers and thunderstorms in the morning, then showers likely
with a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming northwest
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Northwest 3 feet at 3 seconds and southeast 2 feet at 12 seconds.
A slight chance of thunderstorms. Showers, mainly in the evening.
.TUESDAY AND TUESDAY NIGHT...East winds 20 to 25 knots. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: North 7 feet at
6 seconds and east 2 feet at 12 seconds. A chance of showers with
a slight chance of thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots, becoming south. Seas 5 to
7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.
.THURSDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$