fzus52 kchs 272127
cwfchs
expires:202603281130;;399154

coastal waters forecast
national weather service charleston sc
527 pm edt fri mar 27 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


amz330-281130-
charleston harbor-
527 pm edt fri mar 27 2026

...gale warning in effect from 3 am edt saturday through saturday
afternoon...

.tonight...sw winds 10 to 15 kt with gusts to 20 kt, becoming n 
20 kt with gusts to 30 kt late. waves 1 to 2 ft. 
.sat...n winds 20 to 25 kt with gusts to 35 kt, becoming ne 15 to
20 kt in the afternoon. waves 2 to 3 ft, subsiding to 1 to 2 ft. 
.sat night...ne winds 15 kt with gusts to 20 kt. 
.sun...e winds 10 to 15 kt with gusts to 20 kt. 
.sun night...e winds 5 to 10 kt. 
.mon...se winds 5 to 10 kt. 
.mon night...se winds 5 kt. 
.tue...s winds 5 to 10 kt. 
.tue night...s winds 5 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 62 degrees. 

$$

fzus52 kchs 272127
cwfchs
expires:202603281130;;399155

coastal waters forecast
national weather service charleston sc
527 pm edt fri mar 27 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


amz350-281130-
waters from south santee river to edisto beach sc out 20 nm-
527 pm edt fri mar 27 2026

...gale warning in effect from 3 am edt saturday through saturday
afternoon...

.tonight...sw winds 15 kt, becoming n 20 to 25 kt late. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at 7 seconds. 
.sat...ne winds 25 to 30 kt with gusts to 40 kt. seas 4 to 6 ft,
building to 5 to 7 ft in the afternoon. wave detail: ne 5 ft at
7 seconds and sw 3 ft at 5 seconds, becoming ne 7 ft at 6 seconds
and s 1 foot at 5 seconds. 
.sat night...ne winds 20 to 25 kt with gusts to 30 kt. seas 6 to
8 ft. wave detail: e 8 ft at 7 seconds. 
.sun...e winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 6 to 8 ft, subsiding to 5 to 7 ft in the
afternoon. wave detail: e 8 ft at 8 seconds, becoming e 7 ft at
8 seconds. 
.sun night...e winds 10 to 15 kt, becoming se 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. 
.mon...se winds 5 to 10 kt. seas 4 to 5 ft. 
.mon night...se winds 5 to 10 kt. seas 3 to 4 ft. 
.tue...s winds 5 to 10 kt. seas 3 to 4 ft. 
.tue night...s winds 10 kt. seas 3 to 4 ft.  

$$