fzus52 kchs 120550
cwfchs
expires:202512121800;;432083

coastal waters forecast
national weather service charleston sc
1250 am est fri dec 12 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


amz330-121800-
charleston harbor-
1250 am est fri dec 12 2025

.rest of tonight...w winds 5 kt. 
.fri...sw winds 5 to 10 kt. 
.fri night...sw winds 5 to 10 kt. 
.sat...sw winds 5 kt. 
.sat night...sw winds 5 kt. 
.sun...w winds 10 kt, becoming nw with gusts to 20 kt in the
afternoon. a slight chance of showers in the morning. 
.sun night...n winds 15 to 20 kt with gusts to 25 kt. waves 1 to
2 ft. 
.mon...n winds 10 to 15 kt. 
.mon night...n winds 5 kt. 
.tue...w winds 5 kt. 
.tue night...w winds 5 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 54 degrees. 

$$

fzus52 kchs 120550
cwfchs
expires:202512121800;;432084

coastal waters forecast
national weather service charleston sc
1250 am est fri dec 12 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


amz350-121800-
waters from south santee river to edisto beach sc out 20 nm-
1250 am est fri dec 12 2025

.rest of tonight...w winds 5 to 10 kt. seas 2 ft. wave detail: w
1 foot at 5 seconds and e 1 foot at 9 seconds. 
.fri...w winds 5 kt, becoming sw 10 to 15 kt in the afternoon.
seas 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
9 seconds. 
.fri night...sw winds 10 to 15 kt. seas 2 ft. wave detail: sw
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.sat...w winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft at
4 seconds and se 1 foot at 8 seconds. 
.sat night...sw winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft
at 4 seconds and se 1 foot at 8 seconds. 
.sun...w winds 10 to 15 kt with gusts to 20 kt, becoming nw 20 to
25 kt with gusts to 30 kt in the afternoon. seas 2 to 3 ft,
building to 3 to 4 ft in the afternoon. wave detail: sw 2 ft at
4 seconds and se 1 foot at 8 seconds, becoming nw 3 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. 
.mon...n winds 20 to 25 kt. seas 5 to 7 ft. 
.mon night...n winds 5 to 10 kt. seas 4 to 5 ft. 
.tue...nw winds 5 to 10 kt. seas 2 to 3 ft. 
.tue night...w winds 5 kt. seas 2 to 3 ft.  

$$