fzus52 kchs 251053
cwfchs
expires:202603260100;;266160

coastal waters forecast
national weather service charleston sc
653 am edt wed mar 25 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


amz330-260100-
charleston harbor-
653 am edt wed mar 25 2026

.today...ne winds 10 to 15 kt. 
.tonight...e winds 5 to 10 kt, becoming ne after midnight. 
.thu...light and variable winds, becoming se 5 kt in the
afternoon. 
.thu night...s winds 5 kt. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt in the afternoon. 
.fri night...sw winds 10 to 15 kt, becoming nw after midnight. 
.sat...ne winds 15 to 20 kt. waves 1 to 2 ft. 
.sat night...ne winds 10 to 15 kt. 
.sun...ne winds 10 to 15 kt. 
.sun night...e winds 5 to 10 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 61 degrees. 

$$

fzus52 kchs 251053
cwfchs
expires:202603260100;;266161

coastal waters forecast
national weather service charleston sc
653 am edt wed mar 25 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


amz350-260100-
waters from south santee river to edisto beach sc out 20 nm-
653 am edt wed mar 25 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...ne winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt late. seas 5 to 7 ft, subsiding to 4 to 6 ft this 
afternoon. wave detail: e 6 ft at 8 seconds. 
.tonight...ne winds 10 to 15 kt, diminishing to 5 kt after
midnight. seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight.
wave detail: e 4 ft at 8 seconds. 
.thu...ne winds 5 kt, becoming se in the afternoon. seas 3 ft.
wave detail: e 3 ft at 8 seconds. 
.thu night...s winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft
at 7 seconds. 
.fri...sw winds 10 to 15 kt. seas 3 ft. wave detail: sw 3 ft at
4 seconds and se 3 ft at 7 seconds. 
.fri night...sw winds 15 kt with gusts to 20 kt, becoming nw
20 to 25 kt with gusts to 30 kt after midnight. seas 3 to 4 ft.
wave detail: sw 3 ft at 4 seconds. a slight chance of showers
after midnight. 
.sat...ne winds 25 to 30 kt. seas 5 to 7 ft. 
.sat night...ne winds 20 to 25 kt. seas 6 to 8 ft. 
.sun...ne winds 20 to 25 kt. seas 5 to 7 ft. 
.sun night...e winds 10 to 15 kt. seas 4 to 6 ft.  

$$