fzus52 kchs 190548
cwfchs
expires:202512191800;;840934

coastal waters forecast
national weather service charleston sc
1248 am est fri dec 19 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


amz330-191800-
charleston harbor-
1248 am est fri dec 19 2025

...small craft advisory in effect until 10 am est this morning...

.rest of tonight...sw winds 10 to 15 kt with gusts to 25 kt. a
chance of rain and tstms, then a slight chance of rain and tstms
late. areas of fog, then patchy fog late. vsby 1 nm or less,
increasing to 1 to 3 nm late. 
.fri...w winds 10 to 15 kt with gusts to 20 kt. 
.fri night...nw winds 5 to 10 kt. 
.sat...ne winds 5 to 10 kt. 
.sat night...ne winds 5 kt, becoming w after midnight. 
.sun...nw winds 5 kt. 
.sun night...ne winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. 
.mon...ne winds 10 to 15 kt. 
.mon night...ne winds 10 to 15 kt. 
.tue...e winds 5 kt. 
.tue night...w winds 5 kt.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 54 degrees. 

$$

fzus52 kchs 190548
cwfchs
expires:202512191800;;840935

coastal waters forecast
national weather service charleston sc
1248 am est fri dec 19 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


amz350-191800-
waters from south santee river to edisto beach sc out 20 nm-
1248 am est fri dec 19 2025

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

.rest of tonight...sw winds 20 to 25 kt with gusts to 30 kt. seas
7 to 9 ft. wave detail: se 9 ft at 9 seconds. a chance of rain
and tstms. areas of fog. patchy fog late. vsby 1 nm or less. 
.fri...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 7 to 9 ft, subsiding to 6 to 8 ft in the
afternoon. wave detail: se 9 ft at 9 seconds, becoming se 7 ft at
9 seconds and sw 4 ft at 6 seconds. 
.fri night...nw winds 10 to 15 kt. seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. wave detail: se 4 ft at 9 seconds and
sw 3 ft at 7 seconds, becoming se 4 ft at 9 seconds and sw 2 ft
at 5 seconds. 
.sat...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 3 ft
at 9 seconds and sw 1 foot at 5 seconds. 
.sat night...e winds 5 kt, becoming w after midnight. seas 3 ft.
wave detail: se 3 ft at 9 seconds and ne 1 foot at 4 seconds. 
.sun...nw winds 5 to 10 kt. seas 3 ft. wave detail: se 3 ft at
9 seconds. 
.sun night...n winds 15 to 20 kt, becoming ne 20 to 25 kt after
midnight. seas 3 to 4 ft, building to 4 to 6 ft after midnight. 
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft. 
.mon night...ne winds 15 to 20 kt. seas 5 to 7 ft.
.tue...e winds 5 to 10 kt. seas 4 to 5 ft. 
.tue night...w winds 5 to 10 kt. seas 3 to 4 ft.  

winds and seas higher in and near tstms.

$$