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FZUS52 KJAX 172105 AAA
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia...UPDATED
National Weather Service Jacksonville FL
505 PM EDT Sun May 17 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.

AMZ400-181215-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
505 PM EDT Sun May 17 2026

.SYNOPSIS...

The Bermuda ridge will dominant through the week with a ridge axis
extending just north of the local waters. This pattern will bring
persistent east to southeast winds, with local wind surges each
afternoon and evening trailing the inland progressing east coast sea
breeze. Morning and midday showers and isolated coastal storms will
shift inland by mid-afternoon with generally clearing skies across
the local waters late afternoon into the evening.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
May 17, 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.
 80 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.

$$

AMZ450-470-181215-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
505 PM EDT Sun May 17 2026

.TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal
waters a moderate chop.
.MONDAY...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds. Intracoastal waters light
chop.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds. Intracoastal waters light
chop.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 8 seconds. Intracoastal waters light chop.
.TUESDAY NIGHT AND WEDNESDAY...East winds 5 to 10 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
8 seconds. Intracoastal waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 9 seconds. Intracoastal
waters light chop.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Intracoastal waters light chop. A slight
chance of showers after midnight.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Intracoastal waters light chop. A slight
chance of showers. A slight chance of thunderstorms in the
afternoon.

Winds and waves higher in and near thunderstorms.

$$

AMZ452-454-472-474-181215-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 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-
505 PM EDT Sun May 17 2026

...SMALL CRAFT EXERCISE CAUTION THROUGH 2 AM MONDAY...

.TONIGHT...Southeast winds 15 to 20 knots then becoming 10 to 15
knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds. Intracoastal waters a moderate
chop.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 8 seconds.
Intracoastal waters a moderate chop.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds.
Intracoastal waters a moderate chop.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds.
Intracoastal waters a moderate chop. A slight chance of showers.
A slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal
waters a moderate chop. A slight chance of showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 8 seconds. Intracoastal waters light chop.
A slight chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
3 feet. Intracoastal waters light chop.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Intracoastal waters a moderate chop. A
slight chance of showers after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Intracoastal waters a moderate chop. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.

Winds and waves higher in and near thunderstorms.

$$