(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 2/17/2026 4:40 PM America/New_York.
Valid through 2/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202602181100;;806095
coastal waters forecast
national weather service charleston sc
440 pm est tue feb 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-
440 pm est tue feb 17 2026
.tonight...se winds 5 kt, becoming s after midnight. seas 3 ft.
wave detail: e 3 ft at 8 seconds and e 3 ft at 12 seconds.
.wed...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 7 seconds and e 3 ft at 11 seconds.
.wed night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s
4 ft at 6 seconds and e 2 ft at 11 seconds. a slight chance of
showers in the evening.
.thu...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 6 seconds and e 2 ft at 12 seconds. a slight chance of
showers. patchy fog in the afternoon.
.thu night...sw winds 15 kt with gusts to 20 kt. seas 4 ft. wave
detail: s 4 ft at 6 seconds and e 1 foot at 13 seconds. patchy
fog. a slight chance of showers after midnight.
.fri...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to 5 ft.
wave detail: s 4 ft at 6 seconds and e 1 foot at 13 seconds. a
chance of showers.
.fri night...sw winds 10 to 15 kt. seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. a chance of showers, mainly in the
evening.
.sat...sw winds 10 to 15 kt. seas 3 ft. a chance of showers.
.sat night...sw winds 15 to 20 kt. seas 3 to 4 ft. showers likely
with a slight chance of tstms.
.sun...w winds 15 to 20 kt. seas 4 to 5 ft. a chance of showers.
.sun night...nw winds 20 to 25 kt. seas 4 to 5 ft. a slight
chance of showers.
winds and seas higher in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 2/17/2026 4:40 PM America/New_York.
Valid through 2/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202602181100;;806096
coastal waters forecast
national weather service charleston sc
440 pm est tue feb 17 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-181100-
waters from edisto beach sc to savannah ga out 20 nm-
440 pm est tue feb 17 2026
.tonight...e winds 5 kt, becoming s after midnight. seas 2 to
3 ft. wave detail: e 3 ft at 9 seconds and e 3 ft at 12 seconds.
.wed...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: se 3 ft
at 7 seconds and e 3 ft at 11 seconds.
.wed night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s
3 ft at 6 seconds. a slight chance of showers in the evening.
.thu...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 6 seconds and e 2 ft at 11 seconds. a chance of showers,
mainly in the morning. patchy fog in the afternoon.
.thu night...sw winds 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 6 seconds and e 1 foot at 14 seconds. patchy fog. a slight
chance of showers after midnight.
.fri...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 5 seconds and e 1 foot at 13 seconds. a chance
of showers.
.fri night...sw winds 10 to 15 kt. seas 3 to 4 ft, subsiding to
2 to 3 ft after midnight. a chance of showers, mainly in the
evening.
.sat...sw winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers.
.sat night...sw winds 10 to 15 kt. seas 2 to 3 ft. showers likely
with a slight chance of tstms.
.sun...w winds 15 to 20 kt. seas 3 to 4 ft. a chance of showers.
.sun night...nw winds 20 to 25 kt. seas 4 to 5 ft. a slight
chance of showers.
winds and seas higher in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 2/17/2026 4:40 PM America/New_York.
Valid through 2/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202602181100;;806097
coastal waters forecast
national weather service charleston sc
440 pm est tue feb 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
amz354-181100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
440 pm est tue feb 17 2026
.tonight...e winds 5 kt, becoming s after midnight. seas 3 ft.
wave detail: e 3 ft at 8 seconds.
.wed...s winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 7 seconds and e 3 ft at 8 seconds.
.wed night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail:
se 3 ft at 6 seconds and e 3 ft at 11 seconds. a slight chance of
showers in the evening.
.thu...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 5 seconds and e 2 ft at 11 seconds. a chance of showers,
mainly in the morning. patchy fog in the afternoon.
.thu night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s
3 ft at 5 seconds and e 2 ft at 14 seconds. patchy fog. a slight
chance of showers after midnight.
.fri...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 5 seconds and e 1 foot at 13 seconds. a chance of showers.
.fri night...sw winds 10 to 15 kt. seas 2 to 3 ft. a chance of
showers, mainly in the evening.
.sat...sw winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers.
.sat night...sw winds 10 to 15 kt. seas 2 to 3 ft. showers
likely.
.sun...w winds 15 to 20 kt. seas 3 to 4 ft. a chance of showers.
.sun night...nw winds 20 to 25 kt. seas 4 to 5 ft. a slight
chance of showers.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 2/17/2026 4:40 PM America/New_York.
Valid through 2/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202602181100;;806098
coastal waters forecast
national weather service charleston sc
440 pm est tue feb 17 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-181100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
440 pm est tue feb 17 2026
.tonight...se winds 5 to 10 kt, becoming s after midnight. seas
4 to 5 ft. wave detail: e 4 ft at 9 seconds and e 4 ft at
12 seconds.
.wed...sw winds 10 to 15 kt. seas 4 to 5 ft. wave detail: e 4 ft
at 12 seconds and se 3 ft at 7 seconds.
.wed night...sw winds 10 to 15 kt with gusts to 20 kt. seas 4 to
5 ft. wave detail: s 3 ft at 6 seconds and e 3 ft at 11 seconds.
a slight chance of showers in the evening.
.thu...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 6 seconds and e 3 ft at 11 seconds. a slight chance of showers
in the morning.
.thu night...sw winds 15 kt with gusts to 20 kt. seas 4 ft. wave
detail: s 4 ft at 5 seconds and e 2 ft at 14 seconds. a slight
chance of showers after midnight.
.fri...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 6 seconds and e 2 ft at 13 seconds. a slight
chance of showers in the morning, then a chance of showers in the
afternoon.
.fri night...sw winds 10 to 15 kt. seas 3 to 4 ft. a slight
chance of showers.
.sat...sw winds 10 to 15 kt. seas 3 ft. a chance of showers.
.sat night...sw winds 15 to 20 kt. seas 3 to 4 ft. showers
likely.
.sun...w winds 20 to 25 kt. seas 4 to 5 ft. a chance of showers.
.sun night...nw winds 25 to 30 kt. seas 5 to 7 ft. a slight
chance of showers.
$$
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