fzus52 kchs 112139
cwfchs
expires:202603121100;;037554

coastal waters forecast
national weather service charleston sc
539 pm edt wed mar 11 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


amz330-121100-
charleston harbor-
539 pm edt wed mar 11 2026

.tonight...s winds 10 kt, becoming sw after midnight. 
.thu...sw winds 15 kt, becoming w in the afternoon. waves 1 to
2 ft. a slight chance of tstms. a chance of showers in the
morning, then showers in the afternoon. 
.thu night...n winds 15 to 20 kt, becoming ne 10 to 15 kt after
midnight. waves 1 to 2 ft. 
.fri...e winds 5 to 10 kt. 
.fri night...se winds 5 kt, becoming sw after midnight. 
.sat...n winds 5 kt, becoming e in the afternoon. 
.sat night...e winds 5 kt. 
.sun...se winds 5 to 10 kt. a chance of showers with a slight
chance of tstms. 
.sun night...s winds 5 to 10 kt. showers likely with a chance of
tstms. 
.mon...sw winds 10 to 15 kt. a chance of showers with a slight
chance of tstms. 
.mon night...nw winds 15 kt. a chance of showers.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 61 degrees. 

$$

fzus52 kchs 112139
cwfchs
expires:202603121100;;037555

coastal waters forecast
national weather service charleston sc
539 pm edt wed mar 11 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


amz350-121100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt wed mar 11 2026

...small craft advisory in effect from thursday morning through
friday morning...

.tonight...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to
5 ft, building to 4 to 6 ft after midnight. wave detail: s 4 ft
at 5 seconds and se 2 ft at 9 seconds, becoming s 5 ft at
6 seconds and se 2 ft at 9 seconds. 
.thu...sw winds 20 to 25 kt, becoming w 25 to 30 kt in the
afternoon. seas 5 to 7 ft. wave detail: s 6 ft at 7 seconds and
se 3 ft at 8 seconds. a slight chance of tstms. a slight chance
of showers in the morning, then showers in the afternoon. 
.thu night...n winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. seas 4 to 6 ft. wave detail: nw 5 ft at 7 seconds and e
5 ft at 8 seconds. a slight chance of showers. 
.fri...ne winds 15 to 20 kt with gusts to 25 kt, becoming e 5 to
10 kt in the afternoon. seas 4 to 5 ft. wave detail: ne 5 ft at
6 seconds and s 1 foot at 7 seconds. 
.fri night...se winds 5 kt, becoming sw after midnight. seas 3 to
4 ft. wave detail: e 4 ft at 7 seconds. 
.sat...nw winds 5 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: e 3 ft at 8 seconds. 
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. a slight chance
of showers and tstms after midnight. 
.sun...se winds 10 kt. seas 3 to 4 ft. showers likely with a
chance of tstms. 
.sun night...s winds 15 to 20 kt. seas 4 to 6 ft. showers likely
with a chance of tstms. 
.mon...sw winds 15 to 20 kt. seas 5 to 7 ft. showers likely with
a slight chance of tstms. 
.mon night...nw winds 20 to 25 kt. seas 5 to 7 ft. a chance of
showers.  

winds and seas higher in and near tstms.

$$