fzus52 kchs 252140
cwfchs
expires:202602261100;;250575

coastal waters forecast
national weather service charleston sc
440 pm 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


amz330-261100-
charleston harbor-
440 pm est wed feb 25 2026

...small craft advisory in effect from thursday morning through
thursday afternoon...

.tonight...sw winds 10 to 15 kt with gusts to 20 kt.
.thu...sw winds 15 kt with gusts to 25 kt. a slight chance of
showers in the morning, then a chance of showers in the
afternoon. 
.thu night...sw winds 10 to 15 kt with gusts to 20 kt,
diminishing to 5 to 10 kt after midnight. showers likely. a
slight chance of tstms after midnight. 
.fri...s winds 5 to 10 kt. showers.
.fri night...ne winds 5 kt. showers likely, mainly in the
evening. 
.sat...ne winds 5 kt. a slight chance of showers in the morning. 
.sat night...e winds 5 kt in the evening, becoming light and
variable. 
.sun...ne winds 5 kt. 
.sun night...e winds 5 to 10 kt. 
.mon...ne winds 10 to 15 kt. a chance of showers. 
.mon night...ne winds 10 to 15 kt. a chance of showers.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 52 degrees. 

$$

fzus52 kchs 252140
cwfchs
expires:202602261100;;250576

coastal waters forecast
national weather service charleston sc
440 pm 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


amz350-261100-
waters from south santee river to edisto beach sc out 20 nm-
440 pm est wed feb 25 2026

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

.tonight...sw winds 20 to 25 kt. seas 4 to 6 ft. wave detail: sw
6 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 7 ft in the afternoon. wave detail: s 6 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 slight chance of showers
in the morning, then a chance of showers in the afternoon. 
.thu night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 4 to 6 ft, subsiding to 3 to 4 ft after
midnight. wave detail: s 6 ft at 7 seconds, becoming s 4 ft at
6 seconds. showers likely. a slight chance of tstms after
midnight. 
.fri...s winds 10 kt. seas 3 to 4 ft, subsiding to 2 to 3 ft in
the afternoon. wave detail: s 3 ft at 6 seconds and se 1 foot at
9 seconds. showers.
.fri night...ne winds 5 to 10 kt. seas 2 ft. wave detail: s 2 ft
at 6 seconds and ne 1 foot at 2 seconds. showers in the evening,
then showers likely with a slight chance of tstms after midnight.
.sat...ne winds 5 to 10 kt. seas 2 ft. wave detail: ne 2 ft at
3 seconds and s 1 foot at 5 seconds. a chance of showers in the
morning. 
.sat night...ne winds 5 kt, becoming n after midnight. 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. 
.mon...ne winds 20 to 25 kt. seas 4 to 6 ft. a chance of showers.
.mon night...ne winds 20 to 25 kt. seas 5 to 7 ft. a chance of
showers.  

winds and seas higher in and near tstms.

$$