(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/18/2025 4:40 PM America/New_York.
Valid through 12/19/2025 5:00 AM America/New_York.
fzus52 kchs 182140
cwfchs
expires:202512191000;;821501
coastal waters forecast
national weather service charleston sc
440 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
amz330-191000-
charleston harbor-
440 pm est thu dec 18 2025
...small craft advisory in effect from midnight est tonight
through friday morning...
.tonight...s winds 10 to 15 kt with gusts to 20 kt, becoming sw
15 to 20 kt with gusts to 25 kt after midnight. waves 1 to 2 ft.
showers this evening. a chance of tstms. a chance of showers
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. waves 1 to 2 ft.
.fri night...nw winds 5 to 10 kt.
.sat...ne winds 5 kt.
.sat night...variable winds 5 kt.
.sun...nw winds 5 kt.
.sun night...n winds 5 to 10 kt, becoming ne 10 to 15 kt with
gusts to 20 kt after midnight.
.mon...ne winds 10 to 15 kt.
.mon night...ne winds 5 to 10 kt.
.tue...e winds 5 kt.
.tue night...sw winds 5 kt.
winds and waves higher in and near tstms.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 53 degrees.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/18/2025 4:40 PM America/New_York.
Valid through 12/19/2025 5:00 AM America/New_York.
fzus52 kchs 182140
cwfchs
expires:202512191000;;821502
coastal waters forecast
national weather service charleston sc
440 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
amz350-191000-
waters from south santee river to edisto beach sc out 20 nm-
440 pm est thu dec 18 2025
...small craft advisory in effect through friday evening...
.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 this 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. wave detail: se 3 ft at
9 seconds and ne 1 foot at 4 seconds.
.sun night...n winds 15 to 20 kt, becoming ne 20 to 25 kt after
midnight. seas 3 to 4 ft, building to 4 to 6 ft after midnight.
.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.
.tue...e winds 5 to 10 kt. seas 4 to 5 ft.
.tue night...w winds 5 to 10 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/18/2025 4:40 PM America/New_York.
Valid through 12/19/2025 5:00 AM America/New_York.
fzus52 kchs 182140
cwfchs
expires:202512191000;;821503
coastal waters forecast
national weather service charleston sc
440 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
amz352-191000-
waters from edisto beach sc to savannah ga out 20 nm-
440 pm est thu dec 18 2025
...small craft advisory in effect from 10 pm est this evening
through friday afternoon...
.tonight...s winds 10 to 15 kt with gusts to 20 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 this 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. wave detail: se 3 ft
at 9 seconds.
.sun night...n winds 10 to 15 kt, becoming ne 20 to 25 kt after
midnight. seas 2 to 3 ft, building to 4 to 6 ft after midnight.
.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.
.tue...e winds 5 to 10 kt. seas 4 to 5 ft.
.tue night...sw winds 5 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(4/6)
Latest Coastal Waters Forecast by KILM
Issued 12/18/2025 1:04 PM America/New_York.
Valid through 12/19/2025 2:15 AM America/New_York.
fzus52 kilm 181804
cwfilm
expires:202512190715;;811562
coastal waters forecast
national weather service wilmington nc
104 pm est thu dec 18 2025
surf city nc to south santee river sc out 20 nm
amz252-190715-
coastal waters from cape fear nc to little river inlet sc out
20 nm-
104 pm est thu dec 18 2025
...small craft advisory in effect through friday evening...
.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: se 3 ft at 6 seconds and se 3 ft at
10 seconds. a slight chance of showers early, then a chance of
showers late.
.tonight...se winds 15 to 20 kt, becoming s 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft, building to 6 to
9 ft after midnight. wave detail: s 7 ft at 7 seconds, becoming s
9 ft at 9 seconds. showers with a chance of tstms. vsby 1 nm or
less.
.fri...w winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft, subsiding to 5 to 7 ft in the afternoon. wave detail: s
9 ft at 9 seconds and sw 6 ft at 8 seconds, becoming sw 6 ft at
8 seconds and se 6 ft at 9 seconds. a slight chance of showers in
the morning with vsby 1 to 3 nm.
.fri night...nw winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. seas 4 to 6 ft. wave detail: sw 4 ft at 8 seconds and
se 4 ft at 9 seconds.
.sat...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: e 4 ft at 9 seconds and
sw 2 ft at 6 seconds.
.sat night...se winds 5 kt, becoming sw after midnight. seas 2 to
3 ft. wave detail: se 3 ft at 9 seconds.
.sun...nw winds 10 to 15 kt. seas 2 to 3 ft.
.sun night...n winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 5 ft.
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft.
.mon night...ne winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft.
winds and seas higher in and near tstms.
$$
(5/6)
Latest Coastal Waters Forecast by KILM
Issued 12/18/2025 1:04 PM America/New_York.
Valid through 12/19/2025 2:15 AM America/New_York.
fzus52 kilm 181804
cwfilm
expires:202512190715;;811563
coastal waters forecast
national weather service wilmington nc
104 pm est thu dec 18 2025
surf city nc to south santee river sc out 20 nm
amz254-190715-
coastal waters from little river inlet to murrells inlet sc out
20 nm-
104 pm est thu dec 18 2025
...small craft advisory in effect through friday evening...
.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: se 4 ft at 6 seconds and se 4 ft at
9 seconds. a slight chance of showers early, then a chance of
showers with a slight chance of tstms late.
.tonight...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s 8 ft
at 7 seconds. a chance of tstms. showers. patchy fog after
midnight. vsby 1 nm or less.
.fri...sw winds 20 to 25 kt, becoming w 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s 8 ft
at 9 seconds and sw 5 ft at 8 seconds. a slight chance of showers
in the morning. patchy fog in the morning with vsby 1 to 3 nm.
.fri night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming n after midnight. seas 3 to 5 ft. wave detail: sw 4 ft
at 7 seconds and se 4 ft at 9 seconds.
.sat...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 3 ft at 9 seconds and
nw 2 ft at 4 seconds.
.sat night...se winds 5 kt, becoming sw after midnight. seas 2 to
3 ft. wave detail: se 3 ft at 9 seconds.
.sun...nw winds 10 kt. seas 2 to 3 ft.
.sun night...n winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 4 ft.
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft.
.mon night...ne winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 4 ft.
winds and seas higher in and near tstms.
$$
(6/6)
Latest Coastal Waters Forecast by KILM
Issued 12/18/2025 1:04 PM America/New_York.
Valid through 12/19/2025 2:15 AM America/New_York.
fzus52 kilm 181804
cwfilm
expires:202512190715;;811564
coastal waters forecast
national weather service wilmington nc
104 pm est thu dec 18 2025
surf city nc to south santee river sc out 20 nm
amz256-190715-
coastal waters from murrells inlet to south santee river sc out
20 nm-
104 pm est thu dec 18 2025
...small craft advisory in effect through friday evening...
.this afternoon...se winds 15 kt with gusts up to 20 kt. seas
3 to 5 ft. wave detail: se 4 ft at 9 seconds and se 3 ft at
6 seconds. a slight chance of showers. a slight chance of tstms
late.
.tonight...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s 8 ft
at 8 seconds. showers with a chance of tstms. patchy fog after
midnight. vsby 1 nm or less, increasing to 1 to 3 nm after
midnight.
.fri...sw winds 20 to 25 kt, becoming w 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s 8 ft
at 9 seconds and w 3 ft at 7 seconds. a slight chance of showers
in the morning. patchy fog in the morning with vsby 1 to 3 nm.
.fri night...nw winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. seas 3 to 5 ft. wave detail: se 4 ft at 9 seconds and w
3 ft at 5 seconds.
.sat...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: ne 4 ft at 9 seconds and
n 2 ft at 3 seconds.
.sat night...se winds 5 kt, becoming sw after midnight. seas 2 to
3 ft. wave detail: se 3 ft at 8 seconds.
.sun...nw winds 10 to 15 kt. seas 2 to 3 ft.
.sun night...n winds 20 to 25 kt. seas 3 to 5 ft.
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft.
.mon night...ne winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 4 to 6 ft.
winds and seas higher in and near tstms.
$$
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