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(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 4:40 AM America/New_York.
Valid through 3/11/2026 6:45 PM America/New_York.
fzus52 kchs 110840
cwfchs
expires:202603112245;;004140
coastal waters forecast
national weather service charleston sc
440 am 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
amz350-112245-
waters from south santee river to edisto beach sc out 20 nm-
440 am edt wed mar 11 2026
...small craft advisory in effect from thursday morning through
friday morning...
.today...sw winds 10 to 15 kt with gusts to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and se 3 ft at 9 seconds.
.tonight...sw 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 sw 5 ft at 6 seconds and se 2 ft at 9
seconds.
.thu...sw winds 15 to 20 kt, becoming nw 20 to 25 kt with gusts to
30 kt in the afternoon. seas 4 to 6 ft. wave detail: s 5 ft at 7
seconds and se 2 ft at 9 seconds. showers likely in the morning,
then showers with a slight chance of tstms in the afternoon.
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. seas 4 to
5 ft, building to 4 to 6 ft after midnight. wave detail: w 5 ft
at 7 seconds and e 5 ft at 9 seconds, becoming ne 5 ft at
6 seconds and s 2 ft at 7 seconds. showers, mainly in the
evening.
.fri...e 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 and s
1 foot at 6 seconds, becoming e 5 ft at 7 seconds.
.fri night...e winds 5 kt, becoming sw after midnight. seas 3 to
4 ft. wave detail: e 4 ft at 7 seconds.
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft.
.sat night...e winds 10 kt. seas 2 to 3 ft. a chance of showers
with a slight chance of tstms.
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. showers likely with
a slight chance of tstms.
.sun night...s winds 15 to 20 kt. seas 4 to 6 ft. showers likely
with a chance of tstms.
winds and seas higher in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 4:40 AM America/New_York.
Valid through 3/11/2026 6:45 PM America/New_York.
fzus52 kchs 110840
cwfchs
expires:202603112245;;004141
coastal waters forecast
national weather service charleston sc
440 am 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
amz352-112245-
waters from edisto beach sc to savannah ga out 20 nm-
440 am edt wed mar 11 2026
...small craft advisory in effect from thursday afternoon through
friday morning...
.today...sw winds 10 to 15 kt with gusts to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 9 seconds.
.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 5 ft at 6 seconds and se 2 ft at 9
seconds.
.thu...sw winds 15 to 20 kt, becoming nw 20 kt with gusts to 25 kt
in the afternoon. seas 4 to 5 ft. wave detail: s 4 ft at 6
seconds and se 2 ft at 9 seconds. a slight chance of tstms.
showers.
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. seas 4 to
6 ft. wave detail: e 5 ft at 9 seconds and nw 4 ft at 7 seconds,
becoming ne 5 ft at 6 seconds and s 2 ft at 6 seconds. showers,
mainly in the evening.
.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 5 ft at 8 seconds.
.fri night...e winds 5 kt. seas 3 to 4 ft. wave detail: e 4 ft at
8 seconds.
.sat...ne winds 5 to 10 kt. seas 3 ft.
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers with a slight chance of tstms.
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. showers likely with
a slight chance of tstms.
.sun night...s winds 15 to 20 kt. seas 4 to 5 ft. showers likely
with a slight chance of tstms.
winds and seas higher in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 4:40 AM America/New_York.
Valid through 3/11/2026 6:45 PM America/New_York.
fzus52 kchs 110840
cwfchs
expires:202603112245;;004142
coastal waters forecast
national weather service charleston sc
440 am 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
amz354-112245-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
440 am edt wed mar 11 2026
...small craft advisory in effect from thursday afternoon through
friday morning...
.today...sw winds 5 to 10 kt, becoming s 15 kt late. seas 2 to
3 ft. wave detail: se 3 ft at 9 seconds and s 2 ft at 4 seconds.
.tonight...s winds 15 to 20 kt. seas 3 to 4 ft. wave detail: s
4 ft at 5 seconds and se 2 ft at 9 seconds.
.thu...sw winds 15 kt, becoming nw 15 to 20 kt with gusts to 25 kt
in the afternoon. seas 3 to 4 ft. wave detail: s 4 ft at 6
seconds and se 3 ft at 9 seconds. a slight chance of tstms.
showers.
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. seas 4 to
5 ft, building to 4 to 6 ft after midnight. wave detail: e 5 ft
at 8 seconds and nw 3 ft at 4 seconds, becoming ne 6 ft at
6 seconds. showers, mainly in the evening.
.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 6 ft at 6 seconds,
becoming e 5 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 to 4 ft.
.sat night...e winds 5 to 10 kt. seas 3 ft. a chance of showers
with a slight chance of tstms.
.sun...se winds 10 to 15 kt. seas 3 ft. showers likely with a
chance of tstms.
.sun night...s winds 10 to 15 kt. seas 3 to 4 ft. a chance of
showers with a slight chance of tstms.
winds and seas higher in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/11/2026 4:40 AM America/New_York.
Valid through 3/11/2026 6:45 PM America/New_York.
fzus52 kchs 110840
cwfchs
expires:202603112245;;004143
coastal waters forecast
national weather service charleston sc
440 am 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
amz374-112245-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
440 am edt wed mar 11 2026
...small craft advisory in effect from thursday morning through
friday evening...
.today...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: se
4 ft at 9 seconds and s 2 ft at 4 seconds.
.tonight...s winds 15 to 20 kt. seas 4 to 5 ft. wave detail: 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 with gusts to
30 kt in the afternoon. seas 4 to 6 ft. wave detail: s 5 ft at 6
seconds and se 3 ft at 9 seconds. a chance of showers in the
morning, then showers with a slight chance of tstms in the
afternoon.
.thu night...ne winds 25 to 30 kt with gusts to 35 kt. seas 5 to
7 ft, building to 6 to 7 ft after midnight. wave detail: nw 6 ft
at 5 seconds and e 6 ft at 8 seconds, becoming ne 7 ft at 6
seconds. 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. a slight chance of showers in the afternoon.
.fri night...e winds 5 to 10 kt. seas 4 to 6 ft, subsiding to 4 to
5 ft. wave detail: e 5 ft at 8 seconds. a slight chance of
showers in the evening.
.sat...ne winds 5 to 10 kt. seas 4 to 5 ft. a slight chance of
showers.
.sat night...e winds 10 kt. seas 3 to 4 ft. a chance of showers
with a slight chance of tstms.
.sun...se winds 10 to 15 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.
winds and seas higher in and near tstms.
$$
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