fzus52 kchs 160920
cwfchs
expires:202509162230;;070608

coastal waters forecast
national weather service charleston sc
520 am edt tue sep 16 2025

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


amz330-162230-
charleston harbor-
520 am edt tue sep 16 2025

.today...n winds 5 to 10 kt, becoming nw late. 
.tonight...n winds 5 to 10 kt. 
.wed...n winds 5 kt, becoming w in the afternoon.
.wed night...sw winds 5 kt. 
.thu...n winds 5 kt, becoming se in the afternoon. 
.thu night...s winds 5 kt, becoming sw after midnight. 
.fri...ne winds 5 to 10 kt. 
.fri night...e winds 5 to 10 kt. 
.sat...ne winds 10 to 15 kt. 
.sat night...ne winds 10 to 15 kt. a slight chance of showers and
tstms.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 77 degrees. 

$$

fzus52 kchs 160920
cwfchs
expires:202509162230;;070609

coastal waters forecast
national weather service charleston sc
520 am edt tue sep 16 2025

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


amz350-162230-
waters from south santee river to edisto beach sc out 20 nm-
520 am edt tue sep 16 2025

.today...n winds 10 to 15 kt with gusts to 20 kt, becoming nw 5 
to 10 kt this afternoon. seas 2 to 4 ft. wave detail: ne 3 ft at 7
seconds.
.tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 7 seconds. 
.wed...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 ft. wave detail: ne 2 ft at 7 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 ft. wave detail: e 2 ft
at 8 seconds and sw 1 foot at 3 seconds. 
.thu...nw winds 5 kt, becoming se in the afternoon. seas 2 ft.
wave detail: e 2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.thu night...s winds 5 to 10 kt, becoming sw after midnight. seas
2 ft. wave detail: e 2 ft at 9 seconds and s 1 foot at 3 seconds.
.fri...ne winds 5 to 10 kt. seas 2 ft. 
.fri night...e winds 5 to 10 kt. seas 2 ft. 
.sat...ne winds 15 to 20 kt. seas 3 to 4 ft. a slight chance of
showers and tstms. 
.sat night...ne winds 15 to 20 kt. seas 4 to 5 ft. a chance of
showers and tstms.  

winds and seas higher in and near tstms.

$$