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(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/20/2026 5:39 PM America/New_York.
Valid through 3/21/2026 7:00 AM America/New_York.
fzus52 kchs 202139
cwfchs
expires:202603211100;;025907
coastal waters forecast
national weather service charleston sc
539 pm edt fri mar 20 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
amz350-211100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt fri mar 20 2026
.tonight...s winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts
to 20 kt after midnight. seas 3 to 4 ft. wave detail: e 4 ft at
10 seconds.
.sat...sw winds 10 to 15 kt with gusts to 20 kt. seas 4 to 5 ft.
wave detail: e 4 ft at 10 seconds and sw 3 ft at 4 seconds.
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail:
sw 3 ft at 5 seconds and e 3 ft at 10 seconds.
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: sw 3 ft
at 5 seconds and e 3 ft at 10 seconds.
.sun night...sw winds 15 to 20 kt. seas 3 to 4 ft. wave detail:
sw 4 ft at 5 seconds and e 2 ft at 9 seconds.
.mon...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft. wave
detail: sw 4 ft at 6 seconds and e 2 ft at 9 seconds.
.mon night...w winds 20 to 25 kt, becoming ne 25 to 30 kt after
midnight. seas 3 to 4 ft, building to 4 to 5 ft after midnight. a
slight chance of showers and tstms.
.tue...ne winds 25 to 30 kt. seas 6 to 8 ft.
.tue night...ne winds 15 to 20 kt. seas 5 to 7 ft. a slight
chance of showers.
.wed...e winds 10 to 15 kt. seas 4 to 5 ft. a slight chance of
showers.
.wed night...e winds 10 to 15 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/20/2026 5:39 PM America/New_York.
Valid through 3/21/2026 7:00 AM America/New_York.
fzus52 kchs 202139
cwfchs
expires:202603211100;;025908
coastal waters forecast
national weather service charleston sc
539 pm edt fri mar 20 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-211100-
waters from edisto beach sc to savannah ga out 20 nm-
539 pm edt fri mar 20 2026
.tonight...s winds 5 to 10 kt, becoming sw 10 to 15 kt after
midnight. seas 3 ft. wave detail: e 3 ft at 9 seconds.
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: sw 3 ft
at 4 seconds and e 3 ft at 10 seconds.
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail:
sw 3 ft at 4 seconds and e 3 ft at 10 seconds.
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: sw 3 ft
at 5 seconds and e 3 ft at 10 seconds.
.sun night...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft.
wave detail: s 3 ft at 4 seconds and e 2 ft at 10 seconds.
.mon...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft. wave
detail: sw 3 ft at 5 seconds and e 2 ft at 9 seconds.
.mon night...w winds 15 to 20 kt, becoming ne 25 to 30 kt after
midnight. seas 2 to 3 ft, building to 3 to 4 ft after midnight. a
slight chance of showers and tstms.
.tue...ne winds 25 to 30 kt. seas 5 to 7 ft.
.tue night...ne winds 20 to 25 kt. seas 6 to 8 ft. a chance of
showers.
.wed...e winds 10 to 15 kt. seas 4 to 5 ft. a slight chance of
showers.
.wed night...se winds 10 to 15 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/20/2026 5:39 PM America/New_York.
Valid through 3/21/2026 7:00 AM America/New_York.
fzus52 kchs 202139
cwfchs
expires:202603211100;;025909
coastal waters forecast
national weather service charleston sc
539 pm edt fri mar 20 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
amz354-211100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
539 pm edt fri mar 20 2026
.tonight...se winds 5 to 10 kt, becoming sw after midnight, then
increasing to 10 to 15 kt late. seas 3 to 4 ft. wave detail: e
3 ft at 9 seconds.
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: e 3 ft
at 10 seconds and sw 2 ft at 3 seconds.
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: e
3 ft at 10 seconds and sw 2 ft at 4 seconds.
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: e 3 ft
at 10 seconds and sw 2 ft at 4 seconds.
.sun night...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft.
wave detail: s 3 ft at 4 seconds and e 3 ft at 10 seconds.
.mon...sw winds 10 to 15 kt. seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. wave detail: sw 3 ft at 5 seconds and e
2 ft at 9 seconds, becoming sw 2 ft at 4 seconds and e 2 ft at
9 seconds.
.mon night...sw winds 10 to 15 kt, becoming n 20 to 25 kt with
gusts to 30 kt after midnight. seas 2 to 3 ft, building to 3 to
4 ft after midnight. a slight chance of showers and tstms.
.tue...ne winds 25 to 30 kt. seas 5 to 7 ft.
.tue night...ne winds 20 to 25 kt. seas 6 to 8 ft. a chance of
showers.
.wed...e winds 10 to 15 kt. seas 4 to 6 ft. a slight chance of
showers.
.wed night...se winds 5 to 10 kt. seas 4 to 5 ft.
winds and seas higher in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/20/2026 5:39 PM America/New_York.
Valid through 3/21/2026 7:00 AM America/New_York.
fzus52 kchs 202139
cwfchs
expires:202603211100;;025910
coastal waters forecast
national weather service charleston sc
539 pm edt fri mar 20 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-211100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
539 pm edt fri mar 20 2026
.tonight...e winds 5 kt, becoming s late this evening, then
becoming sw 10 to 15 kt late. seas 4 to 5 ft. wave detail: e 5 ft
at 9 seconds.
.sat...sw winds 10 to 15 kt with gusts to 20 kt. seas 4 to 5 ft.
wave detail: e 5 ft at 10 seconds and sw 3 ft at 4 seconds.
.sat night...sw winds 10 to 15 kt with gusts to 20 kt. seas 4 to
6 ft, building to 5 to 6 ft after midnight. wave detail: e 5 ft
at 10 seconds and sw 3 ft at 4 seconds.
.sun...sw winds 10 to 15 kt. seas 4 to 5 ft. wave detail: e 4 ft
at 10 seconds and sw 3 ft at 4 seconds.
.sun night...sw winds 15 kt with gusts to 25 kt. seas 4 to 5 ft.
wave detail: sw 4 ft at 5 seconds and e 3 ft at 9 seconds.
.mon...sw winds 10 to 15 kt with gusts to 25 kt. seas 4 to 5 ft,
subsiding to 3 to 4 ft in the afternoon. wave detail: sw 4 ft at
5 seconds and e 3 ft at 9 seconds, becoming sw 3 ft at 5 seconds
and e 2 ft at 9 seconds.
.mon night...sw winds 15 to 20 kt, becoming n 20 to 25 kt with
gusts to 35 kt after midnight. seas 3 to 4 ft, building to 4 to
5 ft after midnight. a slight chance of showers and tstms.
.tue...ne winds 25 to 30 kt. seas 7 to 9 ft. a slight chance of
showers.
.tue night...e winds 20 to 25 kt. seas 7 to 9 ft. a chance of
showers.
.wed...e winds 10 to 15 kt. seas 5 to 7 ft. a slight chance of
showers.
.wed night...e winds 10 to 15 kt. seas 4 to 6 ft.
winds and seas higher in and near tstms.
$$
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