(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 5:39 PM America/New_York.
Valid through 3/12/2026 7:00 AM America/New_York.
fzus52 kchs 112139
cwfchs
expires:202603121100;;037555
coastal waters forecast
national weather service charleston sc
539 pm edt wed mar 11 2026
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
amz350-121100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt wed mar 11 2026
...small craft advisory in effect from thursday morning through
friday morning...
.tonight...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to
5 ft, building to 4 to 6 ft after midnight. wave detail: s 4 ft
at 5 seconds and se 2 ft at 9 seconds, becoming s 5 ft at
6 seconds and se 2 ft at 9 seconds.
.thu...sw winds 20 to 25 kt, becoming w 25 to 30 kt in the
afternoon. seas 5 to 7 ft. wave detail: s 6 ft at 7 seconds and
se 3 ft at 8 seconds. a slight chance of tstms. a slight chance
of showers in the morning, then showers in the afternoon.
.thu night...n winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. seas 4 to 6 ft. wave detail: nw 5 ft at 7 seconds and e
5 ft at 8 seconds. a slight chance of showers.
.fri...ne winds 15 to 20 kt with gusts to 25 kt, becoming e 5 to
10 kt in the afternoon. seas 4 to 5 ft. wave detail: ne 5 ft at
6 seconds and s 1 foot at 7 seconds.
.fri night...se winds 5 kt, becoming sw after midnight. seas 3 to
4 ft. wave detail: e 4 ft at 7 seconds.
.sat...nw winds 5 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: e 3 ft at 8 seconds.
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. a slight chance
of showers and tstms after midnight.
.sun...se winds 10 kt. seas 3 to 4 ft. showers likely with a
chance of tstms.
.sun night...s winds 15 to 20 kt. seas 4 to 6 ft. showers likely
with a chance of tstms.
.mon...sw winds 15 to 20 kt. seas 5 to 7 ft. showers likely with
a slight chance of tstms.
.mon night...nw winds 20 to 25 kt. seas 5 to 7 ft. a chance of
showers.
winds and seas higher in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 5:39 PM America/New_York.
Valid through 3/12/2026 7:00 AM America/New_York.
fzus52 kchs 112139
cwfchs
expires:202603121100;;037556
coastal waters forecast
national weather service charleston sc
539 pm edt wed mar 11 2026
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
amz352-121100-
waters from edisto beach sc to savannah ga out 20 nm-
539 pm edt wed mar 11 2026
...small craft advisory in effect from thursday afternoon through
friday morning...
.tonight...s winds 15 to 20 kt with gusts to 25 kt. seas 3 to
4 ft, building to 4 to 5 ft after midnight. wave detail: s 4 ft
at 5 seconds and se 2 ft at 9 seconds, becoming s 5 ft at
6 seconds and se 2 ft at 9 seconds.
.thu...sw winds 20 kt, becoming w in the afternoon. seas 4 to
5 ft, building to 4 to 6 ft in the afternoon. wave detail: s 5 ft
at 7 seconds and se 2 ft at 9 seconds, becoming sw 5 ft at
7 seconds. a slight chance of tstms. a chance of showers in the
morning, then showers in the afternoon.
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. seas 4 to
5 ft. wave detail: e 5 ft at 8 seconds and nw 4 ft at 5 seconds.
a slight chance of showers in the evening.
.fri...ne winds 15 to 20 kt with gusts to 25 kt, diminishing to
5 to 10 kt in the afternoon. seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. wave detail: ne 5 ft at 6 seconds,
becoming e 4 ft at 8 seconds.
.fri night...e winds 5 kt, becoming sw after midnight. seas 3 to
4 ft. wave detail: e 4 ft at 8 seconds.
.sat...n winds 5 kt, becoming e in the afternoon. seas 2 to 3 ft.
wave detail: e 3 ft at 8 seconds.
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. a slight chance
of showers and tstms after midnight.
.sun...se winds 10 kt. seas 2 to 3 ft. a chance of showers and
tstms.
.sun night...s winds 10 to 15 kt. seas 4 to 5 ft. showers likely
with a chance of tstms.
.mon...sw winds 15 to 20 kt. seas 4 to 6 ft. a chance of showers
with a slight chance of tstms.
.mon night...nw winds 20 to 25 kt. seas 4 to 6 ft. a chance of
showers.
winds and seas higher in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 5:39 PM America/New_York.
Valid through 3/12/2026 7:00 AM America/New_York.
fzus52 kchs 112139
cwfchs
expires:202603121100;;037557
coastal waters forecast
national weather service charleston sc
539 pm edt wed mar 11 2026
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
amz354-121100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
539 pm edt wed mar 11 2026
...small craft advisory in effect from thursday afternoon through
friday morning...
.tonight...s winds 15 to 20 kt. seas 3 to 4 ft, building to 4 to
5 ft after midnight. wave detail: s 4 ft at 5 seconds and se 2 ft
at 9 seconds, becoming s 4 ft at 6 seconds and se 2 ft at
9 seconds.
.thu...sw winds 15 to 20 kt, becoming w in the afternoon. seas
4 to 5 ft. wave detail: s 4 ft at 6 seconds and se 3 ft at
9 seconds. a slight chance of tstms. a chance of showers in the
morning, then showers in the afternoon.
.thu night...n winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. seas 4 to 5 ft, building to 4 to 6 ft after midnight.
wave detail: e 5 ft at 8 seconds and nw 4 ft at 4 seconds,
becoming ne 6 ft at 6 seconds. a slight chance of showers.
.fri...ne winds 15 to 20 kt with gusts to 25 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: ne 5 ft at 6 seconds,
becoming e 4 ft at 7 seconds.
.fri night...e winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 8 seconds.
.sat...ne winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft at
8 seconds.
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers and tstms after midnight.
.sun...se winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers
and tstms.
.sun night...s winds 10 to 15 kt. seas 3 to 4 ft. showers likely
with a chance of tstms.
.mon...sw winds 15 to 20 kt. seas 4 to 5 ft. a chance of showers
with a slight chance of tstms.
.mon night...nw winds 20 to 25 kt. seas 4 to 5 ft. a chance of
showers.
winds and seas higher in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 5:39 PM America/New_York.
Valid through 3/12/2026 7:00 AM America/New_York.
fzus52 kchs 112139
cwfchs
expires:202603121100;;037558
coastal waters forecast
national weather service charleston sc
539 pm edt wed mar 11 2026
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
amz374-121100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
539 pm edt wed mar 11 2026
...small craft advisory in effect from midnight edt tonight
through friday evening...
.tonight...s winds 15 to 20 kt. seas 4 to 5 ft, building to 5 to
6 ft after midnight. wave detail: s 4 ft at 5 seconds and e 3 ft
at 9 seconds, becoming s 5 ft at 6 seconds and e 3 ft at
9 seconds.
.thu...sw winds 15 to 20 kt, becoming w 20 to 25 kt in the
afternoon. seas 5 to 6 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: s 5 ft at 6 seconds and se 3 ft at
9 seconds, becoming sw 5 ft at 6 seconds and se 3 ft at
9 seconds. a chance of showers with a slight chance of tstms in
the afternoon.
.thu night...ne winds 25 to 30 kt with gusts to 40 kt. seas 5 to
7 ft, building to 6 to 7 ft after midnight. wave detail: e 7 ft
at 9 seconds and nw 6 ft at 5 seconds, becoming ne 7 ft at
6 seconds. a chance of showers, mainly in the evening.
.fri...ne winds 15 to 20 kt with gusts to 25 kt, becoming e 10 to
15 kt in the afternoon. seas 5 to 7 ft, subsiding to 4 to 6 ft in
the afternoon. wave detail: ne 7 ft at 7 seconds, becoming ne
6 ft at 8 seconds.
.fri night...e winds 5 to 10 kt. seas 4 to 5 ft. wave detail: ne
5 ft at 8 seconds.
.sat...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 8 seconds.
.sat night...e winds 5 to 10 kt. seas 3 to 4 ft. a chance of
showers and tstms after midnight.
.sun...se winds 10 kt. seas 3 to 4 ft. showers likely with a
chance of tstms.
.sun night...s winds 10 to 15 kt. seas 4 to 6 ft. showers likely
with a chance of tstms.
.mon...sw winds 15 to 20 kt. seas 5 to 6 ft. a chance of showers
with a slight chance of tstms.
.mon night...nw winds 20 to 25 kt. seas 5 to 7 ft. a chance of
showers.
winds and seas higher in and near tstms.
$$
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