fzus52 kchs 181745
cwfchs
expires:202512190600;;810482

coastal waters forecast
national weather service charleston sc
1245 pm est thu dec 18 2025

south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary


amz374-190600-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
1245 pm est thu dec 18 2025

...small craft advisory in effect from 4 pm est this afternoon
through friday evening...

.this afternoon...se winds 10 to 15 kt with gusts to 20 kt. seas
4 to 6 ft. wave detail: se 5 ft at 8 seconds. showers likely. a
slight chance of tstms early, then a chance of tstms late. 
.tonight...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. seas 5 to 7 ft, building to 6 to 8 ft after midnight.
wave detail: se 7 ft at 8 seconds, becoming s 7 ft at 8 seconds.
showers with a chance of tstms in the evening, then a chance of
showers with a slight chance of tstms after midnight. vsby 1 to
3 nm. 
.fri...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 6 to 8 ft, subsiding to 5 to 7 ft in the
afternoon. wave detail: s 7 ft at 7 seconds and se 6 ft at
9 seconds, becoming se 5 ft at 9 seconds and w 4 ft at 4 seconds.
.fri night...nw winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
wave detail: se 4 ft at 9 seconds and nw 3 ft at 4 seconds. 
.sat...ne winds 5 to 10 kt. seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. wave detail: se 4 ft at 9 seconds and n
2 ft at 4 seconds, becoming se 4 ft at 9 seconds. 
.sat night...se winds 5 kt, becoming w after midnight. seas 3 to
4 ft. wave detail: se 4 ft at 9 seconds. 
.sun...nw winds 5 to 10 kt. seas 3 to 4 ft. 
.sun night...ne winds 20 to 25 kt. seas 4 to 6 ft.
.mon...ne winds 20 to 25 kt. seas 7 to 9 ft. 
.mon night...e winds 15 to 20 kt. seas 6 to 8 ft. a slight chance
of rain.  

winds and seas higher in and near tstms.

$$

fzus52 kchs 181745
cwfchs
expires:202512190600;;810479

coastal waters forecast
national weather service charleston sc
1245 pm est thu dec 18 2025

south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary


amz350-190600-
waters from south santee river to edisto beach sc out 20 nm-
1245 pm est thu dec 18 2025

...small craft advisory in effect from 7 pm est this evening
through friday evening...

.this afternoon...se winds 10 to 15 kt. seas 4 to 5 ft. wave
detail: se 4 ft at 8 seconds. a slight chance of showers early,
then showers with a chance of tstms late with vsby 1 to 3 nm. 
.tonight...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. seas 5 to 7 ft, building to 7 to 9 ft after midnight.
wave detail: se 7 ft at 9 seconds, becoming se 8 ft at 8 seconds.
showers with a chance of tstms in the evening, then a chance of
showers and tstms after midnight. vsby 1 to 3 nm, decreasing to
1 nm or less after midnight. 
.fri...w winds 20 to 25 kt with gusts to 35 kt, diminishing to
15 to 20 kt with gusts to 25 kt in the afternoon. seas 7 to 9 ft,
subsiding to 6 to 8 ft in the afternoon. wave detail: s 8 ft at
9 seconds, becoming se 6 ft at 9 seconds and sw 4 ft at
7 seconds. 
.fri night...nw winds 10 to 15 kt. seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. wave detail: se 4 ft at 9 seconds and
sw 3 ft at 7 seconds, becoming se 4 ft at 9 seconds and sw 2 ft
at 5 seconds. 
.sat...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 9 seconds and sw 1 foot at 4 seconds. 
.sat night...e winds 5 kt, becoming w after midnight. seas 3 ft.
wave detail: se 3 ft at 9 seconds and ne 1 foot at 4 seconds. 
.sun...nw winds 5 to 10 kt. seas 3 ft. 
.sun night...n winds 20 to 25 kt. seas 4 to 6 ft. 
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft. 
.mon night...ne winds 15 to 20 kt. seas 5 to 7 ft. 

winds and seas higher in and near tstms.

$$

fzus52 kchs 181745
cwfchs
expires:202512190600;;810480

coastal waters forecast
national weather service charleston sc
1245 pm est thu dec 18 2025

south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary


amz352-190600-
waters from edisto beach sc to savannah ga out 20 nm-
1245 pm est thu dec 18 2025

...small craft advisory in effect from 10 pm est this evening
through friday afternoon...

.this afternoon...se winds 10 to 15 kt. seas 3 to 4 ft. wave
detail: se 4 ft at 8 seconds. a chance of showers with a slight
chance of tstms early, then showers with a chance of tstms late. 
.tonight...s winds 10 to 15 kt, becoming sw 20 to 25 kt after
midnight. seas 4 to 6 ft, building to 5 to 7 ft after midnight.
wave detail: se 5 ft at 9 seconds, becoming se 7 ft at 8 seconds.
showers with a chance of tstms in the evening, then a chance of
showers with a slight chance of tstms after midnight. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.fri...w winds 15 to 20 kt with gusts to 25 kt. seas 5 to 7 ft,
subsiding to 4 to 6 ft in the afternoon. wave detail: se 7 ft at
9 seconds, becoming se 6 ft at 9 seconds. 
.fri night...nw winds 10 to 15 kt. seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. wave detail: se 4 ft at 9 seconds and w
2 ft at 4 seconds, becoming se 4 ft at 9 seconds. 
.sat...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 3 ft
at 9 seconds. 
.sat night...ne winds 5 kt, becoming w after midnight. seas 3 ft.
wave detail: se 3 ft at 9 seconds. 
.sun...nw winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...ne winds 20 to 25 kt. seas 4 to 5 ft.
.mon...ne winds 20 to 25 kt. seas 5 to 6 ft. 
.mon night...ne winds 15 to 20 kt. seas 4 to 6 ft. 

winds and seas higher in and near tstms.

$$

fzus52 kchs 181745
cwfchs
expires:202512190600;;810481

coastal waters forecast
national weather service charleston sc
1245 pm est thu dec 18 2025

south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary


amz354-190600-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
1245 pm est thu dec 18 2025

...small craft advisory in effect from midnight est tonight
through friday afternoon...

.this afternoon...se winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: se 3 ft at 6 seconds and e 2 ft at 10 seconds. showers
likely. a slight chance of tstms early, then a chance of tstms
late with vsby 1 to 3 nm. 
.tonight...s winds 10 to 15 kt, becoming sw 15 to 20 kt after
midnight. seas 4 to 5 ft, building to 4 to 6 ft after midnight.
wave detail: se 5 ft at 8 seconds, becoming se 6 ft at 8 seconds.
showers with a chance of tstms in the evening, then a chance of
showers with a slight chance of tstms after midnight. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.fri...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 4 to 6 ft, subsiding to 4 to 5 ft in the
afternoon. wave detail: se 6 ft at 9 seconds, becoming se 5 ft at
9 seconds. 
.fri night...nw winds 10 to 15 kt. seas 3 to 4 ft. wave detail:
se 4 ft at 9 seconds and nw 2 ft at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 3 ft
at 9 seconds. 
.sat night...ne winds 5 kt, becoming w after midnight. seas 2 to
3 ft. wave detail: se 3 ft at 9 seconds. 
.sun...nw winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...ne winds 20 to 25 kt. seas 4 to 5 ft.
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft. 
.mon night...ne winds 15 to 20 kt. seas 5 to 7 ft. 

winds and seas higher in and near tstms.

$$

fzus52 kjax 181729
cwfjax
expires:202512190800;;809346

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 pm est thu dec 18 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.


amz472-474-190800-
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-
1229 pm est thu dec 18 2025

...small craft exercise caution in effect until 4 pm est this
afternoon...
...small craft advisory in effect from 4 pm est this afternoon
through friday afternoon...

.rest of today...southeast winds 15 to 20 knots. seas 5 to
7 feet, occasionally to 9 feet. wave detail: east 7 feet at
8 seconds. a chance of showers. a chance of thunderstorms this
afternoon. 
.tonight...southwest winds 20 to 25 knots. seas 6 to 8 feet,
occasionally to 10 feet. wave detail: southeast 7 feet at
8 seconds and southwest 3 feet at 5 seconds. a slight chance of
thunderstorms. a chance of showers, mainly in the evening. 
.friday...west winds 15 to 20 knots, becoming northwest in the
afternoon. seas 5 to 7 feet, occasionally to 9 feet. wave detail:
southeast 6 feet at 9 seconds and southwest 3 feet at 6 seconds. 
.friday night...north winds 10 to 15 knots. seas 5 to 6 feet,
occasionally to 8 feet. wave detail: northwest 4 feet at
5 seconds and east 4 feet at 9 seconds. 
.saturday...northeast winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 4 feet at 9 seconds and
north 3 feet at 5 seconds. 
.saturday night...southeast winds around 5 knots, becoming west
after midnight. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 9 seconds. 
.sunday...northwest winds 5 to 10 knots, becoming northeast 20 to
25 knots. seas 3 to 5 feet, occasionally to 6 feet, building to
5 to 8 feet, occasionally to 10 feet after midnight. 
.monday...northeast winds 25 to 30 knots, becoming east 20 to
25 knots. seas 7 to 10 feet, occasionally to 13 feet. a slight
chance of showers. 

winds and seas higher in and near thunderstorms.

$$

fzus52 kjax 181729
cwfjax
expires:202512190800;;809345

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 pm est thu dec 18 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.


amz450-452-454-190800-
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-
1229 pm est thu dec 18 2025

.rest of today...southeast winds 10 to 15 knots. seas 3 to
5 feet, occasionally to 6 feet. wave detail: east 5 feet at
8 seconds. intracoastal waters a moderate chop. a chance of
showers. a slight chance of thunderstorms this afternoon. 
.tonight...southwest winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: southeast 5 feet at
8 seconds and southwest 2 feet at 4 seconds. intracoastal waters
choppy. a chance of showers with a slight chance of thunderstorms
in the evening, then a slight chance of showers after midnight. 
.friday...west winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: southeast 5 feet at
8 seconds and southeast 4 feet at 7 seconds. intracoastal waters
a moderate chop. 
.friday night...north winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 4 feet at 9 seconds and
north 3 feet at 4 seconds. intracoastal waters a moderate chop. 
.saturday...northeast winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 9 seconds and
north 2 feet at 5 seconds. intracoastal waters light chop. 
.saturday night...northeast winds around 5 knots, becoming
northwest after midnight. seas around 3 feet. wave detail: east
3 feet at 9 seconds. intracoastal waters smooth. 
.sunday...north winds 5 to 10 knots, becoming northeast 25 to
30 knots. seas 3 to 4 feet, occasionally to 5 feet, building to
5 to 7 feet, occasionally to 9 feet after midnight. intracoastal
waters very rough. 
.monday...northeast winds 25 to 30 knots, becoming east 20 to
25 knots. seas 6 to 9 feet, occasionally to 11 feet. intracoastal
waters very rough. 

winds and waves higher in and near thunderstorms.

$$

fzus52 kjax 181729
cwfjax
expires:202512190800;;809347

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 pm est thu dec 18 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.


amz470-190800-
waters from altamaha sound ga to fernandina beach fl from 20 to
60 nm-
1229 pm est thu dec 18 2025

...small craft exercise caution in effect until 4 pm est this
afternoon...
...small craft advisory in effect from 7 pm est this evening
through friday afternoon...

.rest of today...southeast winds 10 to 15 knots, increasing to
15 to 20 knots this afternoon. seas 4 to 6 feet, occasionally to
8 feet. wave detail: southeast 6 feet at 8 seconds. a chance of
showers late this morning, then showers likely with a chance of
thunderstorms this afternoon. 
.tonight...southwest winds 20 to 25 knots. seas 5 to 8 feet,
occasionally to 10 feet. wave detail: south 8 feet at 8 seconds
and southeast 4 feet at 8 seconds. a slight chance of
thunderstorms. showers likely, mainly in the evening. 
.friday...west winds 15 to 20 knots. seas 5 to 8 feet,
occasionally to 10 feet, subsiding to 5 to 6 feet, occasionally
to 8 feet in the afternoon. wave detail: southeast 7 feet at
8 seconds and east 5 feet at 9 seconds, becoming southeast 5 feet
at 9 seconds and west 3 feet at 4 seconds. 
.friday night...north winds 10 to 15 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: southeast 5 feet at
9 seconds and northwest 3 feet at 4 seconds. 
.saturday...northeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet. wave detail: southeast 4 feet at 9 seconds and north
2 feet at 4 seconds. 
.saturday night...west winds around 5 knots, increasing to 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 9 seconds. 
.sunday...northwest winds 5 to 10 knots, becoming northeast 20 to
25 knots. seas 3 to 5 feet, occasionally to 6 feet, building to
5 to 7 feet, occasionally to 9 feet after midnight. 
.monday...northeast winds 20 to 25 knots, becoming east 15 to
20 knots. seas 6 to 9 feet, occasionally to 11 feet. a slight
chance of showers in the evening. 

winds and seas higher in and near thunderstorms.

$$

fzus52 kjax 180953
cwfjax
expires:202512190100;;791052

coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
453 am est thu dec 18 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.


amz470-472-474-190100-
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-
453 am est thu dec 18 2025

...small craft exercise caution in effect through this evening...
...small craft advisory in effect from this evening through
friday afternoon...

.today...southeast winds increasing to 15 to 20 knots. seas
building to 4 to 6 feet, occasionally to 8 feet. wave detail: 
southeast 6 feet at 7 seconds. a chance of showers with a slight 
chance of thunderstorms. 
.tonight...south winds 20 to 25 knots, becoming southwest after 
midnight. seas 6 to 8 feet, occasionally to 10 feet. wave detail:
southeast 7 feet at 8 seconds and southwest 3 feet at 5 seconds. 
a chance of showers with a slight chance of thunderstorms. 
.friday...west winds around 20 knots, becoming northwest around 
15 knots in the afternoon. seas 5 to 7 feet, occasionally to 9 
feet, diminishing to 4 to 6 feet, occasionally to 8 feet during
the afternoon. wave detail: southeast 6 feet at 8 seconds and 
west 3 feet at 5 seconds. a slight chance of showers in the 
morning. 
.friday night...north northwest winds around 15 knots, becoming
north northeast 10 to 15 knots after midnight. seas 4 to 5 feet, 
occasionally to 6 feet. wave detail: southeast 5 feet at 9 
seconds and north 3 feet at 4 seconds. 
.saturday...northeast winds 5 to 10 knots, becoming east during
the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave 
detail: east 4 feet at 9 seconds and north 2 feet at 4 seconds. 
.saturday night...southeast winds around 5 knots, becoming west 
northwest 5 to 10 knots after midnight. seas 3 to 4 feet, 
occasionally to 5 feet. wave detail: east 4 feet at 9 seconds. 
.sunday...northwest winds 5 to 10 knots, becoming north around 10
knots during the afternoon. seas 3 to 4 feet.
.sunday night...north northeast winds 10 to 15 knots, becoming 
northeast and increasing to 20 to 25 knots after midnight. seas 3
to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, 
occasionally to 9 feet after midnight. 
.monday...northeast winds 20 to 25 knots, becoming east northeast
during the afternoon. seas 6 to 8 feet, occasionally to 10 feet. 
a slight chance of showers.

winds and seas higher in and near thunderstorms.

$$