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(1/2)
Latest Coastal Waters Forecast by KCHS
Issued 3/17/2026 5:40 PM America/New_York.
Valid through 3/18/2026 7:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202603181100;;866995
coastal waters forecast
national weather service charleston sc
539 pm edt tue mar 17 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
amz330-181100-
charleston harbor-
539 pm edt tue mar 17 2026
.tonight...nw winds 10 kt, becoming n late this evening.
.wed...ne winds 5 to 10 kt.
.wed night...ne winds 5 kt.
.thu...ne winds 5 to 10 kt.
.thu night...variable winds 5 kt.
.fri...w winds 5 kt, becoming s in the afternoon.
.fri night...s winds 5 kt.
.sat...sw winds 5 to 10 kt.
.sat night...sw winds 10 kt.
.sun...sw winds 5 to 10 kt.
.sun night...sw winds 10 kt.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 61 degrees.
$$
(2/2)
Latest Coastal Waters Forecast by KCHS
Issued 3/17/2026 5:40 PM America/New_York.
Valid through 3/18/2026 7:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202603181100;;866996
coastal waters forecast
national weather service charleston sc
539 pm edt tue mar 17 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz350-181100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt tue mar 17 2026
.tonight...nw winds 10 to 15 kt, becoming n late. seas 2 to 3 ft,
building to 3 to 4 ft after midnight. wave detail: se 3 ft at
8 seconds and nw 2 ft at 4 seconds, becoming e 3 ft at 8 seconds
and nw 2 ft at 3 seconds.
.wed...ne winds 10 to 15 kt with gusts to 20 kt. seas 3 to 4 ft,
building to 4 to 5 ft in the afternoon. wave detail: ne 4 ft at
7 seconds and w 1 foot at 3 seconds, becoming ne 4 ft at
7 seconds.
.wed night...ne winds 10 to 15 kt. seas 3 to 4 ft. wave detail:
ne 4 ft at 8 seconds.
.thu...ne winds 10 to 15 kt. seas 3 to 4 ft. wave detail: ne 4 ft
at 8 seconds.
.thu night...e winds 5 to 10 kt, becoming nw after midnight. seas
3 to 4 ft. wave detail: se 4 ft at 9 seconds.
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
3 to 4 ft. wave detail: e 3 ft at 9 seconds.
.fri night...s winds 5 to 10 kt. seas 3 ft.
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft.
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft.
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft.
.sun night...sw winds 15 kt. seas 4 ft.
$$
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