(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/13/2026 4:38 AM America/New_York.
Valid through 3/13/2026 6:45 PM America/New_York.
fzus52 kchs 130838
cwfchs
expires:202603132245;;591844
coastal waters forecast
national weather service charleston sc
438 am edt fri mar 13 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
amz350-132245-
waters from south santee river to edisto beach sc out 20 nm-
438 am edt fri mar 13 2026
...small craft advisory in effect until 9 am edt this morning...
.today...ne winds 15 to 20 kt with gusts to 25 kt, becoming e
10 to 15 kt with gusts to 20 kt late this morning, then variable 5
kt late. seas 4 to 5 ft, subsiding to 3 to 4 ft this afternoon.
wave detail: ne 5 ft at 6 seconds and se 1 foot at 9 seconds,
becoming e 3 ft at 7 seconds.
.tonight...variable winds 5 kt. seas 3 to 4 ft. wave detail: e
3 ft at 9 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 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 to 15 kt. seas 2 to 3 ft, building to 3 to 4 ft
in the afternoon. wave detail: se 3 ft at 5 seconds and se 3 ft
at 8 seconds, becoming se 3 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...se winds 10 to 15 kt, becoming s 20 to 25 kt after
midnight. seas 3 to 4 ft, building to 4 to 6 ft after midnight.
wave detail: se 4 ft at 6 seconds, becoming se 5 ft at 7 seconds.
a chance of tstms. showers.
.mon...s 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 7 to 9 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 15 to 20 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/13/2026 4:38 AM America/New_York.
Valid through 3/13/2026 6:45 PM America/New_York.
fzus52 kchs 130838
cwfchs
expires:202603132245;;591845
coastal waters forecast
national weather service charleston sc
438 am edt fri mar 13 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-132245-
waters from edisto beach sc to savannah ga out 20 nm-
438 am edt fri mar 13 2026
...small craft advisory in effect until 9 am edt this morning...
.today...ne winds 15 to 20 kt with gusts to 25 kt, diminishing to
5 kt, then variable 5 kt late. seas 4 to 5 ft, subsiding to 3 to
4 ft this afternoon. wave detail: ne 5 ft at 6 seconds and se 1
foot at 9 seconds, becoming e 4 ft at 8 seconds.
.tonight...variable winds 5 kt. seas 3 to 4 ft. wave detail: e
4 ft at 8 seconds.
.sat...n winds 5 kt, becoming e in the afternoon. seas 2 to 3 ft.
wave detail: e 3 ft at 8 seconds.
.sat night...e winds 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 8 seconds. a chance of showers after midnight.
.sun...e winds 10 kt. seas 2 to 3 ft. wave detail: e 3 ft at
7 seconds. showers likely. a slight chance of tstms in the
morning, then a chance of tstms in the afternoon.
.sun night...se winds 10 to 15 kt, becoming s 15 to 20 kt after
midnight. seas 3 to 4 ft, building to 4 to 5 ft after midnight.
wave detail: se 3 ft at 6 seconds, becoming se 5 ft at 6 seconds.
showers likely with a chance of tstms.
.mon...s winds 25 to 30 kt. seas 6 to 8 ft. showers with a chance
of tstms.
.mon night...w winds 20 to 25 kt. seas 6 to 8 ft. a chance of
showers with a slight chance of tstms.
.tue...nw winds 20 to 25 kt. seas 4 to 6 ft.
.tue night...n winds 15 to 20 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/13/2026 4:38 AM America/New_York.
Valid through 3/13/2026 6:45 PM America/New_York.
fzus52 kchs 130838
cwfchs
expires:202603132245;;591846
coastal waters forecast
national weather service charleston sc
438 am edt fri mar 13 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
amz354-132245-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
438 am edt fri mar 13 2026
...small craft advisory in effect until 9 am edt this morning...
.today...ne winds 20 kt with gusts to 25 kt, diminishing to 5 to
10 kt. seas 4 to 6 ft, subsiding to 4 to 5 ft this afternoon.
wave detail: ne 6 ft at 6 seconds and se 1 foot at 9 seconds,
becoming e 4 ft at 8 seconds.
.tonight...variable 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. 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 with a slight chance of tstms
after midnight.
.sun...se winds 10 kt. seas 2 to 3 ft. wave detail: e 3 ft at
8 seconds. showers likely with a chance of tstms.
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 ft, building to 4 to 5 ft after midnight. wave
detail: se 3 ft at 6 seconds, becoming se 4 ft at 6 seconds.
showers likely with a chance of tstms.
.mon...s winds 20 to 25 kt. seas 5 to 7 ft. showers with a chance
of tstms.
.mon night...w winds 20 to 25 kt. seas 5 to 7 ft. a chance of
showers.
.tue...nw winds 20 to 25 kt. seas 4 to 6 ft.
.tue night...n winds 15 to 20 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 3/13/2026 4:38 AM America/New_York.
Valid through 3/13/2026 6:45 PM America/New_York.
fzus52 kchs 130838
cwfchs
expires:202603132245;;591847
coastal waters forecast
national weather service charleston sc
438 am edt fri mar 13 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-132245-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
438 am edt fri mar 13 2026
...small craft advisory in effect until 3 pm edt this afternoon...
.today...ne winds 20 to 25 kt with gusts to 30 kt, becoming e 5 to
10 kt. seas 5 to 7 ft, subsiding to 4 to 6 ft this afternoon.
wave detail: ne 7 ft at 7 seconds, becoming ne 6 ft at 8 seconds.
.tonight...variable winds 5 kt. seas 4 to 5 ft. wave detail: ne
5 ft at 9 seconds.
.sat...n winds 5 to 10 kt, becoming ne in the afternoon. seas
4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. wave detail:
e 4 ft at 9 seconds, becoming e 4 ft at 8 seconds.
.sat night...e winds 10 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 8 seconds. a slight chance of showers in the evening, then a
chance of showers with a slight chance of tstms after midnight.
.sun...se winds 10 kt. seas 3 to 4 ft. wave detail: e 4 ft at
7 seconds. showers likely with a chance of tstms.
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts to 30 kt. seas 4 to 5 ft, building to 4 to 6 ft
after midnight. wave detail: se 4 ft at 7 seconds, becoming se
6 ft at 6 seconds. showers likely with a chance of tstms.
.mon...s winds 25 to 30 kt. seas 6 to 8 ft. showers with a chance
of tstms.
.mon night...w winds 25 to 30 kt. seas 7 to 9 ft. a chance of
showers with a slight chance of tstms.
.tue...nw winds 20 to 25 kt. seas 5 to 7 ft.
.tue night...n winds 15 to 20 kt. seas 4 to 5 ft.
winds and seas higher in and near tstms.
$$
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