fzus52 kchs 180940
cwfchs
expires:202602182300;;834654

coastal waters forecast
national weather service charleston sc
440 am est wed feb 18 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


amz330-182300-
charleston harbor-
440 am est wed feb 18 2026

.today...sw winds 5 kt, increasing to 10 to 15 kt with gusts to
20 kt late this morning. 
.tonight...sw winds 10 kt, diminishing to 5 kt after midnight. 
.thu...sw winds 5 to 10 kt. a chance of showers, mainly in the
morning. 
.thu night...sw winds 10 kt. 
.fri...sw winds 10 to 15 kt with gusts to 20 kt. a chance of
showers in the morning, then showers likely in the afternoon. 
.fri night...sw winds 5 to 10 kt. a chance of showers. a slight
chance of tstms after midnight. 
.sat...sw winds 5 to 10 kt. showers likely with a slight chance
of tstms. 
.sat night...sw winds 5 to 10 kt. showers likely with a chance of
tstms. 
.sun...w winds 10 to 15 kt. a chance of showers with a slight
chance of tstms. 
.sun night...nw winds 15 kt.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 51 degrees. 

$$

fzus52 kchs 180940
cwfchs
expires:202602182300;;834655

coastal waters forecast
national weather service charleston sc
440 am est wed feb 18 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


amz350-182300-
waters from south santee river to edisto beach sc out 20 nm-
440 am est wed feb 18 2026

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

winds and seas higher in and near tstms.

$$