fzus52 kchs 131720
cwfchs
expires:202512140600;;518992

coastal waters forecast
national weather service charleston sc
1219 pm est sat dec 13 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


amz330-140600-
charleston harbor-
1219 pm est sat dec 13 2025

...small craft advisory in effect from sunday afternoon through
monday morning...

.this afternoon...sw winds 5 kt. 
.tonight...sw winds 5 to 10 kt. 
.sun...w winds 10 kt, becoming n 15 to 20 kt with gusts to 25 kt
in the afternoon. waves 1 to 2 ft. a chance of showers in the
morning. 
.sun night...n winds 15 to 20 kt with gusts to 30 kt. waves 1 to
2 ft. 
.mon...n winds 10 to 15 kt with gusts to 20 kt, diminishing to
5 to 10 kt in the afternoon. 
.mon night...nw winds 5 kt. 
.tue...w winds 5 kt. 
.tue night...sw winds 5 kt. 
.wed...w winds 5 kt. 
.wed night...s winds 5 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 54 degrees. 

$$

fzus52 kchs 131720
cwfchs
expires:202512140600;;518993

coastal waters forecast
national weather service charleston sc
1219 pm est sat dec 13 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


amz350-140600-
waters from south santee river to edisto beach sc out 20 nm-
1219 pm est sat dec 13 2025

...gale watch in effect from sunday afternoon through monday
morning...

.this afternoon...sw winds 5 to 10 kt. seas 2 ft. wave detail: sw
1 foot at 4 seconds and se 1 foot at 8 seconds. 
.tonight...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.sun...w winds 15 to 20 kt with gusts to 25 kt, becoming n 25 to
30 kt in the afternoon. seas 2 to 3 ft, building to 4 to 5 ft in
the afternoon. wave detail: sw 3 ft at 4 seconds and se 1 foot at
8 seconds, becoming nw 4 ft at 4 seconds and se 1 foot at
8 seconds. a chance of showers, mainly in the morning. 
.sun night...n winds 25 to 30 kt. seas 4 to 6 ft, building to
5 to 7 ft after midnight. wave detail: ne 6 ft at 9 seconds and
nw 5 ft at 5 seconds, becoming ne 6 ft at 6 seconds. 
.mon...n winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 5 to 7 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: ne 6 ft at 8 seconds, becoming ne 6 ft at
9 seconds. 
.mon night...nw winds 5 to 10 kt. seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. wave detail: e 4 ft at 9 seconds. 
.tue...w winds 5 to 10 kt. seas 2 to 3 ft. 
.tue night...w winds 5 kt. seas 2 to 3 ft. 
.wed...w winds 5 to 10 kt. seas 2 ft. 
.wed night...sw winds 5 kt. seas 2 ft.  

$$