fzus52 kchs 222139
cwfchs
expires:202603231100;;132491

coastal waters forecast
national weather service charleston sc
539 pm edt sun mar 22 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


amz330-231100-
charleston harbor-
539 pm edt sun mar 22 2026

...gale watch in effect from monday evening through tuesday
evening...

.tonight...sw winds 10 kt. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt, becoming ne
15 to 20 kt with gusts to 30 kt after midnight. waves 1 to 2 ft.
a slight chance of showers and tstms in the evening. 
.tue...ne winds 20 to 25 kt with gusts to 35 kt. waves 2 to 3 ft.
.tue night...ne winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. waves 1 to 2 ft. a slight chance of showers in
the evening, then a chance of showers after midnight. 
.wed...ne winds 10 kt. a chance of showers, mainly in the
morning. 
.wed night...ne winds 5 kt. 
.thu...e winds 5 to 10 kt. 
.thu night...s winds 5 to 10 kt. 
.fri...sw winds 5 to 10 kt. 
.fri night...w winds 10 to 15 kt. a slight chance of showers.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 62 degrees. 

$$

fzus52 kchs 222139
cwfchs
expires:202603231100;;132492

coastal waters forecast
national weather service charleston sc
539 pm edt sun mar 22 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


amz350-231100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt sun mar 22 2026

...gale watch in effect from monday evening through tuesday
evening...

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

winds and seas higher in and near tstms.

$$