(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 12/20/2025 6:30 PM America/New_York.
Valid through 12/21/2025 7:00 AM America/New_York.
fzus52 kchs 202330
cwfchs
expires:202512211200;;941315
coastal waters forecast
national weather service charleston sc
630 pm est sat dec 20 2025
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
amz350-211200-
waters from south santee river to edisto beach sc out 20 nm-
630 pm est sat dec 20 2025
.tonight...ne winds 5 to 10 kt, becoming nw late. seas 3 to 4 ft.
wave detail: se 3 ft at 9 seconds and ne 2 ft at 4 seconds.
.sun...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 9 seconds and ne 1 foot at 5 seconds.
.sun night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. seas 3 to 4 ft, building to 4 to 6 ft after
midnight. wave detail: se 3 ft at 9 seconds and ne 2 ft at
4 seconds, becoming ne 5 ft at 5 seconds and se 3 ft at
10 seconds.
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 5 to 7 ft. wave detail: e 6 ft at 10 seconds and
ne 5 ft at 6 seconds.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt, becoming e
5 to 10 kt after midnight. seas 4 to 6 ft, subsiding to 4 to 5 ft
after midnight. wave detail: e 6 ft at 9 seconds, becoming e 5 ft
at 9 seconds.
.tue...sw winds 5 to 10 kt. seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. wave detail: e 4 ft at 9 seconds.
.tue night...w winds 5 to 10 kt. seas 3 to 4 ft.
.wed...n winds 5 to 10 kt. seas 2 to 3 ft.
.wed night...ne winds 5 to 10 kt. seas 2 to 3 ft.
.thu...se winds 5 to 10 kt. seas 2 to 3 ft.
.thu night...sw winds 10 to 15 kt. seas 3 ft.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 12/20/2025 6:30 PM America/New_York.
Valid through 12/21/2025 7:00 AM America/New_York.
fzus52 kchs 202330
cwfchs
expires:202512211200;;941316
coastal waters forecast
national weather service charleston sc
630 pm est sat dec 20 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-211200-
waters from edisto beach sc to savannah ga out 20 nm-
630 pm est sat dec 20 2025
.tonight...ne winds 5 to 10 kt, becoming nw late. seas 3 ft. wave
detail: se 3 ft at 9 seconds and ne 1 foot at 4 seconds. patchy
fog late.
.sun...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 9 seconds and ne 1 foot at 5 seconds.
.sun night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. seas 2 to 3 ft, building to 4 to 5 ft after
midnight. wave detail: se 2 ft at 9 seconds and ne 1 foot at
5 seconds, becoming ne 5 ft at 5 seconds and se 2 ft at
10 seconds.
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft, building to 5 to 6 ft in the
afternoon. wave detail: e 6 ft at 10 seconds and ne 5 ft at
6 seconds, becoming e 6 ft at 8 seconds.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt, becoming e
5 to 10 kt after midnight. seas 4 to 6 ft, subsiding to 4 to 5 ft
after midnight. wave detail: e 6 ft at 9 seconds, becoming e 5 ft
at 9 seconds.
.tue...s winds 5 kt. seas 4 to 5 ft, subsiding to 3 to 4 ft in
the afternoon. wave detail: e 4 ft at 9 seconds.
.tue night...sw winds 5 to 10 kt. seas 3 to 4 ft.
.wed...n winds 5 to 10 kt. seas 2 to 3 ft.
.wed night...ne winds 5 kt. seas 2 to 3 ft.
.thu...se winds 5 to 10 kt. seas 2 to 3 ft.
.thu night...sw winds 5 to 10 kt. seas 2 to 3 ft.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 12/20/2025 6:30 PM America/New_York.
Valid through 12/21/2025 7:00 AM America/New_York.
fzus52 kchs 202330
cwfchs
expires:202512211200;;941317
coastal waters forecast
national weather service charleston sc
630 pm est sat dec 20 2025
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
amz354-211200-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
630 pm est sat dec 20 2025
.tonight...variable winds 5 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and ne 1 foot at 3 seconds. patchy fog late.
.sun...nw winds 5 to 10 kt, becoming n in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 9 seconds and ne 1 foot at
4 seconds. patchy fog in the morning.
.sun night...ne winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. seas 2 to 3 ft, building to 4 to 5 ft after
midnight. wave detail: se 2 ft at 9 seconds and ne 1 foot at
5 seconds, becoming ne 5 ft at 5 seconds and e 2 ft at 9 seconds.
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft, building to 5 to 6 ft in the
afternoon. wave detail: ne 5 ft at 6 seconds and e 3 ft at
10 seconds, becoming e 6 ft at 8 seconds and ne 5 ft at
5 seconds.
.mon night...ne winds 15 to 20 kt, becoming e 5 to 10 kt after
midnight. seas 5 to 6 ft, subsiding to 4 to 5 ft after midnight.
wave detail: e 6 ft at 8 seconds, becoming e 5 ft at 9 seconds.
.tue...se winds 5 kt, becoming sw in the afternoon. seas 4 to
5 ft. wave detail: e 5 ft at 9 seconds.
.tue night...sw winds 5 to 10 kt. seas 3 to 4 ft.
.wed...n winds 5 to 10 kt. seas 3 to 4 ft.
.wed night...ne winds 5 kt. seas 2 to 3 ft.
.thu...ne winds 5 kt. seas 2 to 3 ft.
.thu night...sw winds 5 to 10 kt. seas 2 to 3 ft.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 12/20/2025 6:30 PM America/New_York.
Valid through 12/21/2025 7:00 AM America/New_York.
fzus52 kchs 202330
cwfchs
expires:202512211200;;941318
coastal waters forecast
national weather service charleston sc
630 pm est sat dec 20 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-211200-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
630 pm est sat dec 20 2025
.tonight...n winds 5 kt, becoming nw late. seas 3 to 4 ft. wave
detail: e 4 ft at 9 seconds and ne 1 foot at 3 seconds.
.sun...n winds 5 to 10 kt. seas 3 ft. wave detail: se 3 ft at
9 seconds and ne 1 foot at 4 seconds.
.sun night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. seas 3 to 4 ft, building to 4 to 6 ft after
midnight. wave detail: ne 3 ft at 5 seconds and e 3 ft at
9 seconds, becoming ne 6 ft at 6 seconds and e 3 ft at
10 seconds.
.mon...ne winds 20 to 25 kt. seas 6 to 8 ft. wave detail: ne 7 ft
at 6 seconds and e 7 ft at 11 seconds.
.mon night...e winds 15 to 20 kt, becoming se 10 to 15 kt after
midnight. seas 6 to 7 ft, subsiding to 5 to 7 ft after midnight.
wave detail: e 7 ft at 9 seconds, becoming e 6 ft at 9 seconds. a
slight chance of rain in the evening.
.tue...se winds 5 to 10 kt, becoming sw in the afternoon. seas
5 to 6 ft. wave detail: e 6 ft at 9 seconds.
.tue night...sw winds 5 to 10 kt. seas 4 to 5 ft.
.wed...nw winds 5 to 10 kt. seas 3 to 4 ft.
.wed night...ne winds 5 to 10 kt. seas 3 ft.
.thu...nw winds 5 kt. seas 3 to 4 ft.
.thu night...sw winds 10 to 15 kt. seas 3 to 4 ft.
$$
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