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(1/2)
Latest Coastal Waters Forecast by KCHS
Issued 4/12/2026 5:39 PM America/New_York.
Valid through 4/13/2026 7:00 AM America/New_York.
fzus52 kchs 122139
cwfchs
expires:202604131100;;264403
coastal waters forecast
national weather service charleston sc
539 pm edt sun apr 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
amz330-131100-
charleston harbor-
539 pm edt sun apr 12 2026
.tonight...se winds 5 kt.
.mon...s winds 5 kt, increasing to 5 to 10 kt in the afternoon.
.mon night...s winds 5 kt.
.tue...sw winds 5 to 10 kt.
.tue night...sw winds 5 to 10 kt.
.wed...sw winds 5 to 10 kt.
.wed night...s winds 5 to 10 kt.
.thu...sw winds 5 to 10 kt.
.thu night...s winds 5 to 10 kt.
.fri...sw winds 5 to 10 kt.
.fri night...s winds 5 to 10 kt.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 66 degrees.
$$
(2/2)
Latest Coastal Waters Forecast by KCHS
Issued 4/12/2026 5:39 PM America/New_York.
Valid through 4/13/2026 7:00 AM America/New_York.
fzus52 kchs 122139
cwfchs
expires:202604131100;;264404
coastal waters forecast
national weather service charleston sc
539 pm edt sun apr 12 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz350-131100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt sun apr 12 2026
.tonight...se winds 5 kt. seas 2 to 3 ft. wave detail: e 3 ft at
10 seconds and s 1 foot at 5 seconds.
.mon...s winds 5 kt. seas 2 to 3 ft. wave detail: e 3 ft at
10 seconds and s 1 foot at 5 seconds.
.mon night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 10 seconds.
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 10 seconds.
.tue night...sw winds 10 kt. seas 3 ft. wave detail: se 3 ft at
10 seconds.
.wed...sw winds 5 to 10 kt. seas 3 ft. wave detail: se 3 ft at
9 seconds.
.wed night...s winds 10 kt. seas 3 ft.
.thu...sw winds 10 to 15 kt. seas 3 ft.
.thu night...s winds 10 to 15 kt. seas 3 ft.
.fri...sw winds 10 to 15 kt. seas 3 ft.
.fri night...s winds 10 to 15 kt. seas 3 ft.
$$
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