(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/12/2026 10:51 PM America/New_York.
Valid through 3/13/2026 1:00 PM America/New_York.
fzus52 kchs 130251
cwfchs
expires:202603131700;;576689
coastal waters forecast
national weather service charleston sc
1051 pm edt thu mar 12 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
amz350-131700-
waters from south santee river to edisto beach sc out 20 nm-
1051 pm edt thu mar 12 2026
...gale warning in effect until 2 am edt friday...
.tonight...ne winds 25 to 30 kt with gusts to 35 kt, diminishing
to 20 to 25 kt with gusts to 30 kt. seas 4 to 6 ft. wave detail:
n 5 ft at 4 seconds and s 5 ft at 7 seconds.
.fri...e winds 15 to 20 kt with gusts to 25 kt, becoming se 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 and se 2 ft at
9 seconds, becoming e 4 ft at 8 seconds.
.fri night...sw winds 5 kt. seas 3 to 4 ft, subsiding to 2 to
3 ft after midnight. wave detail: e 3 ft at 5 seconds and e 3 ft
at 8 seconds, becoming e 3 ft at 7 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. wave detail: e
2 ft at 8 seconds. a slight chance of showers after midnight.
.sun...e winds 10 to 15 kt. seas 2 to 3 ft, building to 3 to 4 ft
in the afternoon. wave detail: se 3 ft at 8 seconds, becoming se
4 ft at 7 seconds. a chance of showers with a slight chance of
tstms in the morning, then showers likely with a chance of tstms
in the afternoon.
.sun night...s winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts to 30 kt after midnight. seas 4 to 5 ft, building to 5 to
7 ft after midnight. a chance of tstms. showers.
.mon...sw winds 25 to 30 kt. seas 7 to 9 ft. showers with a
chance of tstms.
.mon night...w winds 25 to 30 kt. seas 6 to 8 ft. a chance of
showers with a slight chance of tstms.
.tue...nw winds 20 to 25 kt. seas 4 to 6 ft.
.tue night...n winds 10 to 15 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/12/2026 10:51 PM America/New_York.
Valid through 3/13/2026 1:00 PM America/New_York.
fzus52 kchs 130251
cwfchs
expires:202603131700;;576690
coastal waters forecast
national weather service charleston sc
1051 pm edt thu mar 12 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
amz352-131700-
waters from edisto beach sc to savannah ga out 20 nm-
1051 pm edt thu mar 12 2026
...small craft advisory in effect until 9 am edt friday...
.tonight...ne winds 25 to 30 kt, diminishing to 20 to 25 kt with
gusts to 30 kt. seas 4 to 5 ft, building to 4 to 6 ft after
midnight. wave detail: n 5 ft at 4 seconds and s 3 ft at 7
seconds, becoming ne 5 ft at 5 seconds and se 2 ft at 9 seconds.
.fri...e winds 15 to 20 kt with gusts to 25 kt, becoming ne 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 and se 2 ft at
9 seconds, becoming e 4 ft at 8 seconds.
.fri night...se 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. wave detail: e
3 ft at 8 seconds. a slight chance of showers after midnight.
.sun...e winds 10 kt. seas 2 to 3 ft. wave detail: se 3 ft at
7 seconds. showers likely with a slight chance of tstms.
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 to 4 ft, building to 4 to 6 ft after midnight.
showers likely with a chance of tstms.
.mon...sw winds 20 to 25 kt. seas 6 to 8 ft. showers likely with
a chance of tstms.
.mon night...w winds 25 to 30 kt. seas 6 to 8 ft. a chance of
showers.
.tue...nw winds 20 to 25 kt. seas 4 to 6 ft.
.tue night...n winds 10 to 15 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/12/2026 10:51 PM America/New_York.
Valid through 3/13/2026 1:00 PM America/New_York.
fzus52 kchs 130251
cwfchs
expires:202603131700;;576691
coastal waters forecast
national weather service charleston sc
1051 pm edt thu mar 12 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
amz354-131700-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
1051 pm edt thu mar 12 2026
...small craft advisory in effect until 9 am edt friday...
.tonight...ne winds 25 to 30 kt, diminishing to 20 to 25 kt. seas
4 to 5 ft, building to 4 to 6 ft after midnight. wave detail:
n 5 ft at 5 seconds and s 2 ft at 6 seconds, becoming ne 6 ft at
6 seconds and se 2 ft at 9 seconds.
.fri...e winds 15 to 20 kt with gusts to 25 kt, becoming ne 5 to
10 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 and e 1 foot at
9 seconds, becoming e 4 ft at 8 seconds.
.fri night...e winds 5 kt, becoming s after midnight. seas 3 to
4 ft. wave detail: e 4 ft at 8 seconds.
.sat...n winds 5 kt, becoming ne in the afternoon. seas 3 ft.
wave detail: e 3 ft at 8 seconds.
.sat night...e winds 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 8 seconds. a chance of showers after midnight.
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 7 seconds. showers likely. a slight chance of tstms in the
morning, then a chance of tstms in the afternoon.
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 to 4 ft, building to 4 to 5 ft after midnight.
showers likely with a chance of tstms.
.mon...sw winds 20 to 25 kt. seas 4 to 6 ft. showers likely with
a chance of tstms.
.mon night...nw winds 25 to 30 kt. seas 4 to 6 ft. a chance of
showers.
.tue...nw winds 20 to 25 kt. seas 4 to 6 ft.
.tue night...n winds 15 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/12/2026 10:51 PM America/New_York.
Valid through 3/13/2026 1:00 PM America/New_York.
fzus52 kchs 130251
cwfchs
expires:202603131700;;576692
coastal waters forecast
national weather service charleston sc
1051 pm edt thu mar 12 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
amz374-131700-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
1051 pm edt thu mar 12 2026
...gale warning in effect until 2 am edt friday...
.tonight...ne winds 25 to 30 kt with gusts to 40 kt, diminishing
to 20 to 25 kt with gusts to 30 kt. seas 5 to 7 ft, building to 6
to 8 ft after midnight. wave detail: n 7 ft at 5 seconds and s 3
ft at 6 seconds, becoming ne 7 ft at 6 seconds and e 7 ft at 9
seconds. a slight chance of showers early this evening.
.fri...e winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. seas 6 to 8 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...ne winds 5 kt, becoming s after midnight. seas 4 to
5 ft. wave detail: ne 5 ft at 8 seconds.
.sat...n winds 5 to 10 kt, becoming ne in the afternoon. 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. wave detail: e
3 ft at 8 seconds. a chance of showers with a slight chance of
tstms after midnight.
.sun...se winds 10 to 15 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 7 seconds. showers likely with a chance of tstms.
.sun night...s winds 15 to 20 kt with gusts to 30 kt. seas 4 to
5 ft, building to 4 to 6 ft after midnight. showers likely with a
chance of tstms.
.mon...sw winds 20 to 25 kt. seas 6 to 8 ft. showers likely with
a chance of tstms.
.mon night...nw winds 25 to 30 kt. seas 6 to 8 ft. a chance of
showers with a slight chance of tstms.
.tue...nw winds 20 to 25 kt. seas 5 to 7 ft.
.tue night...n winds 15 to 20 kt. seas 4 to 5 ft.
winds and seas higher in and near tstms.
$$
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