fzus52 kchs 310939
cwfchs
expires:202510312200;;607322

coastal waters forecast
national weather service charleston sc
539 am edt fri oct 31 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


amz330-312200-
charleston harbor-
539 am edt fri oct 31 2025

.today...w winds 5 to 10 kt. 
.tonight...nw winds 5 to 10 kt. 
.sat...n winds 5 kt, becoming e in the afternoon. 
.sat night...ne winds 5 kt. 
.sun...ne winds 5 to 10 kt. 
.sun night...n winds 10 kt. a chance of showers. a slight chance
of tstms after midnight. 
.mon...n winds 10 to 15 kt. a chance of showers with a slight
chance of tstms. 
.mon night...nw winds 10 to 15 kt. 
.tue...n winds 10 kt. 
.tue night...ne winds 5 to 10 kt.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 65 degrees. 

$$

fzus52 kchs 310939
cwfchs
expires:202510312200;;607323

coastal waters forecast
national weather service charleston sc
539 am edt fri oct 31 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


amz350-312200-
waters from south santee river to edisto beach sc out 20 nm-
539 am edt fri oct 31 2025

...small craft advisory in effect until 4 pm edt this afternoon...

.today...w winds 10 to 15 kt with gusts to 20 kt. seas 5 to 6 ft,
subsiding to 4 to 6 ft this afternoon. wave detail: se 5 ft at
15 seconds and w 4 ft at 6 seconds, becoming se 5 ft at
12 seconds and w 3 ft at 5 seconds. 
.tonight...nw winds 5 to 10 kt. seas 4 to 5 ft, subsiding to 3 to
4 ft after midnight. wave detail: se 4 ft at 12 seconds and w
2 ft at 5 seconds, becoming se 3 ft at 11 seconds and w 2 ft at
4 seconds. 
.sat...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 10 seconds and w 2 ft at 4 seconds. 
.sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 9 seconds and sw 1 foot at 4 seconds. 
.sun...ne winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 2 ft at 3 seconds and
se 2 ft at 8 seconds. 
.sun night...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 4 seconds and e 1 foot at 9 seconds. a chance of showers
with a slight chance of tstms. 
.mon...n winds 15 kt. seas 3 to 4 ft. a chance of showers. 
.mon night...nw winds 15 to 20 kt. seas 3 to 4 ft.
.tue...n winds 15 to 20 kt. seas 4 to 5 ft. 
.tue night...ne winds 10 to 15 kt. seas 4 to 6 ft.  

winds and seas higher in and near tstms.

$$