027
FZUS52 KJAX 160118
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
918 PM EDT Wed Oct 15 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.

AMZ400-161630-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
918 PM EDT Wed Oct 15 2025

.SYNOPSIS...

High pressure building over the Great Lakes region will wedge down
the southeastern seaboard through Friday, creating breezy
northeasterly winds across our local waters. Elevated seas
offshore will maintain Small Craft Advisory conditions through at
least early Friday morning. Caution conditions will prevail for
the near shore waters adjacent to northeast Florida through at
least Friday. High pressure will then weaken as it shifts
southeastward towards our local waters on Saturday, allowing winds
and seas to diminish. A weakening cold front will then approach
our region on Sunday night, possibly developing a few showers and
thunderstorms ahead of it. Southwesterly winds will briefly
strengthen ahead of this boundary, with winds shifting to
northerly in the wake of this frontal passage by early Monday.


.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.


$$

AMZ452-454-161630-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
918 PM EDT Wed Oct 15 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6
feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 8
seconds. Intracoastal waters choppy.
.THURSDAY THROUGH FRIDAY...Northeast winds 15 to 20 knots. Seas 5
to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet
at 10 seconds. Intracoastal waters choppy.
.FRIDAY NIGHT AND SATURDAY...East winds 10 to 15 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
10 seconds. Intracoastal waters a light chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4
feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9
seconds. Intracoastal waters mostly smooth.
.SUNDAY AND SUNDAY NIGHT...South winds 10 to 15 knots, becoming
southwest 15 to 20 knots after midnight. Seas 3 to 5 feet,
occasionally to 6 feet. Intracoastal waters becoming choppy. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...North winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Intracoastal waters a light chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ450-161630-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
918 PM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4
feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9
seconds. Intracoastal waters a light chop.
.THURSDAY THROUGH FRIDAY...Northeast winds 10 to 15 knots. Seas 3
to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 10
seconds. Intracoastal waters a light chop.
.FRIDAY NIGHT AND SATURDAY...East southeast winds 5 to 10 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 10 seconds. Intracoastal waters mostly smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 9 seconds. Intracoastal waters mostly
smooth.
.SUNDAY AND SUNDAY NIGHT...South winds 10 to 15 knots, becoming
southwest around 15 knots after midnight. Seas 2 to 4 feet,
occasionally to 5 feet. Intracoastal waters becoming a moderate
chop. A slight chance of showers after midnight.
.MONDAY...North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Intracoastal waters a light chop.

$$

AMZ470-472-474-161630-
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-
918 PM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7
feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 10
seconds.
.THURSDAY AND THURSDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6
feet at 10 seconds.
.FRIDAY...Northeast winds around 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at 10
seconds.
.FRIDAY NIGHT AND SATURDAY...East winds 10 to 15 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
10 seconds.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 4 to 5
feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 9
seconds.
.SUNDAY AND SUNDAY NIGHT...South winds 10 to 15 knots, becoming
southwest 15 to 20 knots after midnight. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers and
thunderstorms after midnight.
.MONDAY...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$