fzus52 kchs 250918
cwfchs
expires:202602252330;;222366

coastal waters forecast
national weather service charleston sc
418 am est wed feb 25 2026

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


amz330-252330-
charleston harbor-
418 am est wed feb 25 2026

.today...sw winds 10 to 15 kt with gusts to 20 kt. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt.
.thu...sw winds 15 kt with gusts to 25 kt. a chance of showers. 
.thu night...sw winds 10 kt. a chance of showers in the evening,
then showers likely with a slight chance of tstms after midnight.
.fri...sw winds 5 to 10 kt. showers.
.fri night...ne winds 5 kt. showers likely. a slight chance of
tstms after midnight. 
.sat...ne winds 5 kt. a chance of showers. 
.sat night...ne winds 5 kt. 
.sun...ne winds 5 kt. 
.sun night...e 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 52 degrees. 

$$

fzus52 kchs 250918
cwfchs
expires:202602252330;;222367

coastal waters forecast
national weather service charleston sc
418 am est wed feb 25 2026

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


amz350-252330-
waters from south santee river to edisto beach sc out 20 nm-
418 am est wed feb 25 2026

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

.today...sw winds 20 to 25 kt with gusts to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 6 seconds and e 2 ft at 12 seconds.
.tonight...sw winds 20 kt with gusts to 25 kt. seas 5 to 6 ft,
subsiding to 4 to 6 ft after midnight. wave detail: sw 6 ft at
6 seconds and e 2 ft at 11 seconds, becoming s 5 ft at 6 seconds
and e 1 foot at 11 seconds. 
.thu...sw winds 20 to 25 kt with gusts to 30 kt. seas 4 to 6 ft,
building to 5 to 6 ft in the afternoon. wave detail: s 5 ft at
6 seconds and e 1 foot at 11 seconds, becoming s 6 ft at
7 seconds and e 1 foot at 11 seconds. a chance of showers. 
.thu night...sw winds 15 to 20 kt. seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. wave detail: s 5 ft at 7 seconds and e
1 foot at 10 seconds, becoming s 4 ft at 6 seconds. a chance of
showers in the evening, then showers likely with a slight chance
of tstms after midnight. 
.fri...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 7 seconds. showers.
.fri night...ne winds 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds. a slight chance of tstms. showers.
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. 
.sun...ne winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...e winds 10 to 15 kt. seas 2 to 3 ft. a slight chance
of showers.  

winds and seas higher in and near tstms.

$$