fzus52 kchs 240617
cwfchs
expires:202603242030;;203350

coastal waters forecast
national weather service charleston sc
217 am edt tue mar 24 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


amz330-242030-
charleston harbor-
217 am edt tue mar 24 2026

...small craft advisory in effect through this evening...

.rest of tonight...ne winds 15 kt, increasing to 20 kt with gusts
to 25 kt late. waves 1 to 2 ft. 
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 1 to 2 ft.
.tue night...ne winds 10 to 15 kt with gusts to 20 kt. 
.wed...ne winds 10 kt. 
.wed night...e winds 5 to 10 kt, becoming ne after midnight. 
.thu...ne winds 5 kt, becoming se in the afternoon. 
.thu night...s winds 5 to 10 kt. 
.fri...sw winds 5 to 10 kt. 
.fri night...sw winds 10 to 15 kt. 
.sat...ne winds 15 to 20 kt. waves 1 to 2 ft. 
.sat night...ne winds 10 to 15 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 62 degrees. 

$$

fzus52 kchs 240617
cwfchs
expires:202603242030;;203351

coastal waters forecast
national weather service charleston sc
217 am edt tue mar 24 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


amz350-242030-
waters from south santee river to edisto beach sc out 20 nm-
217 am edt tue mar 24 2026

...gale warning in effect through this evening...

.rest of tonight...ne winds 25 to 30 kt with gusts to 35 kt. seas
4 to 5 ft. wave detail: ne 5 ft at 5 seconds and s 2 ft at 5 
seconds. 
.tue...ne winds 25 to 30 kt with gusts to 35 kt. seas 5 to 7 ft, 
building to 7 to 9 ft in the afternoon. wave detail: ne 7 ft at 7 
seconds and s 1 foot at 5 seconds, becoming e 8 ft at 8 seconds. 
.tue night...ne winds 20 to 25 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 7 ft at
8 seconds. 
.wed...ne winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 4 to 6 ft, subsiding to 4 to 5 ft in the
afternoon. wave detail: e 6 ft at 8 seconds, becoming e 5 ft at
8 seconds. 
.wed night...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 8 seconds. 
.thu...ne winds 5 kt, becoming se in the afternoon. seas 2 to
3 ft. wave detail: e 3 ft at 8 seconds. 
.thu night...s winds 5 to 10 kt. seas 2 to 3 ft. 
.fri...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.fri night...sw winds 20 to 25 kt. seas 3 to 4 ft.
.sat...ne winds 25 to 30 kt. seas 5 to 7 ft. 
.sat night...ne winds 25 to 30 kt. seas 8 to 10 ft.  

$$