032
FZUS52 KJAX 171728
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
128 PM EDT Fri Oct 17 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.

AMZ400-180900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
128 PM EDT Fri Oct 17 2025

.SYNOPSIS...

Elevated seas offshore will maintain Small Craft Advisory conditions
through this afternoon. High pressure northeast of the local waters
settles southward through tonight and extends across the local
waters through Saturday. A weakening cold front approaches Sunday
with increasing southerly winds, with a low chance of showers
Sunday night into early Monday with the frontal passage. Winds
shift northwest to north Monday, then high pressure quickly builds
across Georgia into Tuesday with a return of northeast to east
winds Tuesday, but below local marine headline criteria.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Oct 11, 2025 at 1200 UTC...

 56 nautical miles east northeast of Flagler Beach.
 59 nautical miles east of Saint Augustine Beach.
 76 nautical miles east of Jacksonville Beach.
 94 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-180900-
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-
128 PM EDT Fri Oct 17 2025

.REST OF TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5
feet, occasionally to 6 feet. Wave Detail: East 5 feet at 10
seconds. Intracoastal waters a moderate chop.
.TONIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds.
Intracoastal waters light chop.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds.
Intracoastal waters light chop.
.SATURDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds and
east 3 feet at 12 seconds. Intracoastal waters light chop.
.SUNDAY...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 11 seconds
and southeast 3 feet at 4 seconds. Intracoastal waters a moderate
chop.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots, becoming
northwest after midnight. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Southeast 3 feet at 5 seconds and east
3 feet at 13 seconds. Intracoastal waters a moderate chop. A
slight chance of showers in the evening.
.MONDAY THROUGH TUESDAY...Southwest winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Intracoastal waters a
moderate chop.

$$

AMZ470-472-474-180900-
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-
128 PM EDT Fri Oct 17 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northeast winds 10 to 15 knots. Seas 5 to 6
feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 10
seconds.
.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 9 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
9 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
12 seconds and south 2 feet at 4 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 14 seconds
and south 3 feet at 4 seconds.
.SUNDAY NIGHT...Southwest winds around 15 knots, becoming west
after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: South 4 feet at 5 seconds and northeast 4 feet at
12 seconds. A slight chance of showers. A slight chance of
thunderstorms after midnight.
.MONDAY...North winds 10 to 15 knots, becoming northeast 5 to
10 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.TUESDAY...Northwest winds 5 to 10 knots, becoming southwest
10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$