(1/4)
Latest Coastal Waters Forecast by KCHS
Issued 4/7/2026 5:39 AM America/New_York.
Valid through 4/7/2026 7:00 PM America/New_York.
fzus52 kchs 070939
cwfchs
expires:202604072300;;971282
coastal waters forecast
national weather service charleston sc
539 am edt tue apr 7 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
amz350-072300-
waters from south santee river to edisto beach sc out 20 nm-
539 am edt tue apr 7 2026
...small craft advisory in effect through this evening...
...gale warning in effect from late tonight through late
wednesday night...
.today...ne winds 15 to 20 kt, increasing to 20 to 25 kt late
this morning. seas 4 to 6 ft, building to 5 to 6 ft this
afternoon. wave detail: e 4 ft at 8 seconds and se 3 ft at
9 seconds, becoming e 6 ft at 8 seconds and se 3 ft at 8 seconds.
a slight chance of showers early this morning.
.tonight...ne winds 20 to 25 kt with gusts to 30 kt, increasing
to 25 to 35 kt after midnight. seas 5 to 7 ft, building to 7 to
9 ft after midnight. wave detail: e 7 ft at 8 seconds, becoming e
9 ft at 8 seconds.
.wed...ne winds 30 to 35 kt with gusts to 45 kt. seas 9 to 11 ft,
building to 9 to 12 ft in the afternoon. wave detail: e 11 ft at
9 seconds, becoming e 12 ft at 10 seconds. a slight chance of
showers in the afternoon.
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 9 to
12 ft. wave detail: e 11 ft at 10 seconds. a slight chance of
showers in the evening, then a chance of showers after midnight.
.thu...ne winds 25 to 30 kt. seas 9 to 11 ft. wave detail: e
10 ft at 11 seconds. a chance of showers.
.thu night...ne winds 20 to 25 kt. gusts to 35 kt in the evening.
seas 8 to 10 ft, subsiding to 7 to 9 ft after midnight. wave
detail: e 10 ft at 11 seconds, becoming e 9 ft at 11 seconds. a
chance of showers, mainly in the evening.
.fri...ne winds 20 to 25 kt. seas 7 to 9 ft.
.fri night...ne winds 10 to 15 kt. seas 5 to 7 ft.
.sat...ne winds 10 to 15 kt. seas 4 to 6 ft.
.sat night...e winds 5 to 10 kt. seas 4 to 5 ft.
$$
(2/4)
Latest Coastal Waters Forecast by KCHS
Issued 4/7/2026 5:39 AM America/New_York.
Valid through 4/7/2026 7:00 PM America/New_York.
fzus52 kchs 070939
cwfchs
expires:202604072300;;971283
coastal waters forecast
national weather service charleston sc
539 am edt tue apr 7 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-072300-
waters from edisto beach sc to savannah ga out 20 nm-
539 am edt tue apr 7 2026
...small craft advisory in effect through this evening...
...gale warning in effect from late tonight through late
wednesday night...
.today...ne winds 20 to 25 kt with gusts to 30 kt. seas 5 to
7 ft, building to 6 to 8 ft this afternoon. wave detail: e 6 ft
at 8 seconds and se 2 ft at 9 seconds, becoming e 7 ft at
8 seconds. a slight chance of showers this morning.
.tonight...ne winds 25 to 35 kt. seas 6 to 8 ft, building to 7 to
9 ft after midnight. wave detail: e 8 ft at 8 seconds, becoming e
9 ft at 8 seconds.
.wed...ne winds 30 to 35 kt with gusts to 45 kt. seas 9 to 11 ft,
building to 10 to 13 ft in the afternoon. wave detail: e 11 ft at
9 seconds, becoming e 12 ft at 10 seconds. a slight chance of
showers.
.wed night...ne winds 30 kt with gusts to 40 kt. seas 10 to
13 ft, subsiding to 9 to 12 ft after midnight. wave detail: e
12 ft at 10 seconds. a chance of showers.
.thu...ne winds 25 to 30 kt. seas 9 to 11 ft. wave detail: e
11 ft at 10 seconds. a chance of showers.
.thu night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 9 to 11 ft, subsiding to 8 to 10 ft after
midnight. wave detail: e 10 ft at 10 seconds, becoming e 10 ft at
11 seconds. a chance of showers, mainly in the evening.
.fri...ne winds 20 to 25 kt. seas 7 to 9 ft.
.fri night...ne winds 10 to 15 kt. seas 5 to 7 ft.
.sat...ne winds 10 to 15 kt. seas 4 to 6 ft.
.sat night...e winds 5 to 10 kt. seas 4 to 5 ft.
$$
(3/4)
Latest Coastal Waters Forecast by KCHS
Issued 4/7/2026 5:39 AM America/New_York.
Valid through 4/7/2026 7:00 PM America/New_York.
fzus52 kchs 070939
cwfchs
expires:202604072300;;971284
coastal waters forecast
national weather service charleston sc
539 am edt tue apr 7 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
amz354-072300-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
539 am edt tue apr 7 2026
...small craft advisory in effect through this evening...
...gale warning in effect from late tonight through late
wednesday night...
.today...ne winds 20 to 25 kt with gusts to 30 kt, increasing to
25 to 30 kt late. seas 5 to 7 ft, building to 6 to 8 ft this
afternoon. wave detail: ne 7 ft at 7 seconds and se 2 ft at
9 seconds, becoming e 8 ft at 8 seconds. a chance of showers,
mainly this morning.
.tonight...ne winds 25 to 30 kt. seas 7 to 9 ft, building to 8 to
10 ft after midnight. wave detail: e 9 ft at 8 seconds, becoming
e 10 ft at 8 seconds.
.wed...ne winds 30 to 35 kt. seas 9 to 12 ft, building to 10 to
13 ft in the afternoon. wave detail: e 12 ft at 9 seconds,
becoming e 13 ft at 10 seconds. a slight chance of showers in the
morning, then a chance of showers in the afternoon.
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 10 to
13 ft. wave detail: e 13 ft at 10 seconds. a chance of showers.
.thu...ne winds 25 to 30 kt. seas 9 to 12 ft, subsiding to 9 to
11 ft in the afternoon. wave detail: e 11 ft at 11 seconds,
becoming e 10 ft at 12 seconds. a chance of showers.
.thu night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 9 to 11 ft, subsiding to 8 to 10 ft after
midnight. wave detail: e 11 ft at 11 seconds, becoming e 10 ft at
11 seconds. a chance of showers, mainly in the evening.
.fri...ne winds 15 to 20 kt. seas 7 to 9 ft.
.fri night...ne winds 10 to 15 kt. seas 6 to 8 ft.
.sat...ne winds 10 to 15 kt. seas 4 to 6 ft.
.sat night...e winds 5 to 10 kt. seas 4 to 5 ft.
$$
(4/4)
Latest Coastal Waters Forecast by KCHS
Issued 4/7/2026 5:39 AM America/New_York.
Valid through 4/7/2026 7:00 PM America/New_York.
fzus52 kchs 070939
cwfchs
expires:202604072300;;971285
coastal waters forecast
national weather service charleston sc
539 am edt tue apr 7 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
amz374-072300-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
539 am edt tue apr 7 2026
...small craft advisory in effect until 2 pm edt this afternoon...
...gale warning in effect from 2 pm edt this afternoon through
late wednesday night...
.today...ne winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. seas 7 to 9 ft, building to 9 to 11 ft this afternoon.
wave detail: ne 9 ft at 8 seconds and se 3 ft at 9 seconds,
becoming ne 11 ft at 8 seconds. a chance of showers.
.tonight...ne winds 30 kt with gusts to 40 kt. seas 9 to 12 ft,
building to 10 to 13 ft after midnight. wave detail: ne 12 ft at
8 seconds, becoming ne 13 ft at 9 seconds. a slight chance of
showers after midnight.
.wed...ne winds 35 kt with gusts to 45 kt. seas 12 to 16 ft,
building to 13 to 17 ft in the afternoon. wave detail: e 15 ft at
9 seconds, becoming e 16 ft at 10 seconds. a slight chance of
tstms in the morning. a chance of showers.
.wed night...ne winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. seas 14 to 16 ft, subsiding to 13 to 15 ft after
midnight. wave detail: e 16 ft at 11 seconds, becoming e 15 ft at
11 seconds. a slight chance of tstms in the evening. a chance of
showers.
.thu...ne winds 25 to 30 kt. seas 12 to 14 ft. wave detail: e
14 ft at 11 seconds. a chance of showers.
.thu night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 11 to 14 ft, subsiding to 10 to 13 ft after
midnight. wave detail: e 13 ft at 11 seconds, becoming e 12 ft at
11 seconds. a chance of showers.
.fri...ne winds 20 to 25 kt. seas 9 to 11 ft. a slight chance of
showers.
.fri night...ne winds 15 to 20 kt. seas 8 to 10 ft.
.sat...ne winds 10 to 15 kt. seas 6 to 8 ft.
.sat night...e winds 10 to 15 kt. seas 5 to 7 ft.
winds and seas higher in and near tstms.
$$
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