fzus52 kchs 252139
cwfchs
expires:202603261100;;290234

coastal waters forecast
national weather service charleston sc
539 pm 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


amz330-261100-
charleston harbor-
539 pm edt wed mar 25 2026

.tonight...e winds 5 to 10 kt until early morning, becoming light
and variable. 
.thu...variable winds 5 kt. 
.thu night...s winds 5 kt. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. 
.fri night...sw winds 10 to 15 kt, becoming w with gusts to 20 kt
after midnight. 
.sat...ne winds 15 to 20 kt with gusts to 30 kt. waves 1 to 2 ft.
.sat night...ne winds 10 to 15 kt with gusts to 20 kt. 
.sun...ne winds 10 to 15 kt. 
.sun night...e winds 5 to 10 kt. 
.mon...e winds 5 kt. 
.mon night...s winds 5 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 61 degrees. 

$$

fzus52 kchs 252139
cwfchs
expires:202603261100;;290235

coastal waters forecast
national weather service charleston sc
539 pm 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


amz350-261100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt wed mar 25 2026

.tonight...ne winds 10 to 15 kt, becoming e 5 to 10 kt late this
evening. seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight.
wave detail: e 5 ft at 8 seconds, becoming e 4 ft at 8 seconds. 
.thu...variable winds 5 kt. seas 3 to 4 ft. wave detail: e 3 ft
at 8 seconds. 
.thu night...s winds 5 to 10 kt. seas 2 to 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 to 20 kt, becoming w 20 to 25 kt after
midnight. seas 3 to 4 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 6 ft at
7 seconds and w 4 ft at 5 seconds, becoming ne 7 ft at 6 seconds
and s 1 foot at 6 seconds. 
.sat night...ne winds 20 to 25 kt with gusts to 30 kt. seas 6 to
8 ft. 
.sun...ne winds 20 to 25 kt. seas 6 to 8 ft. 
.sun night...e winds 15 to 20 kt. seas 5 to 7 ft. 
.mon...e winds 5 to 10 kt. seas 4 to 5 ft. 
.mon night...s winds 5 to 10 kt. seas 3 to 4 ft.  

$$