fzus52 kchs 201917
cwfchs
expires:202602210930;;973840

coastal waters forecast
national weather service charleston sc
217 pm est fri feb 20 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


amz330-210930-
charleston harbor-
217 pm est fri feb 20 2026

...small craft advisory in effect until 7 pm est this evening...

.tonight...sw winds 15 kt with gusts to 25 kt, diminishing to 5 
to 10 kt. showers likely with a slight chance of tstms early this 
afternoon, then a chance of showers and tstms after midnight.
.sat...sw winds 5 to 10 kt. patchy fog in the morning. a chance
of showers and tstms in the morning, then showers with a slight
chance of tstms in the afternoon. 
.sat night...sw winds 5 kt. showers with a chance of tstms. 
.sun...nw winds 10 to 15 kt with gusts to 20 kt. showers likely,
mainly in the morning. 
.sun night...nw winds 15 to 20 kt with gusts to 25 kt. waves 1 to
2 ft. 
.mon...nw winds 15 kt with gusts to 20 kt. 
.mon night...nw winds 10 to 15 kt. 
.tue...nw winds 5 to 10 kt. 
.tue night...sw winds 5 to 10 kt. 
.wed...sw winds 10 to 15 kt. 
.wed night...sw winds 10 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 201917
cwfchs
expires:202602210930;;973841

coastal waters forecast
national weather service charleston sc
217 pm est fri feb 20 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


amz350-210930-
waters from south santee river to edisto beach sc out 20 nm-
217 pm est fri feb 20 2026

...dense fog advisory in effect until 5 pm est this afternoon...
...small craft advisory in effect until 7 pm est this evening...

.tonight...sw winds 15 to 20 kt with gusts to 25 kt, diminishing
to 10 to 15 kt with gusts to 20 kt. seas 4 to 5 ft, subsiding to
2 to 3 ft after midnight. wave detail: sw 5 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. widespread dense fog early this afternoon. patchy 
fog late. a slight chance of showers early this afternoon, then a 
chance of showers and tstms. vsby 1 nm or less early this 
afternoon, then 1 to 3 nm late. 
.sat...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 6 seconds and e 1 foot at 11 seconds. a slight chance of
tstms. a chance of showers in the morning, then showers likely in
the afternoon. 
.sat night...sw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and e
1 foot at 10 seconds. showers with a chance of tstms. 
.sun...w winds 15 to 20 kt, becoming nw 20 to 25 kt in the
afternoon. seas 3 to 4 ft, building to 4 to 5 ft in the
afternoon. wave detail: sw 4 ft at 5 seconds and e 1 foot at
9 seconds, becoming w 5 ft at 5 seconds and e 1 foot at
9 seconds. showers likely, mainly in the morning. 
.sun night...nw winds 25 to 30 kt. seas 4 to 6 ft. wave detail: w
6 ft at 5 seconds and e 1 foot at 9 seconds. a slight chance of
showers in the evening. 
.mon...nw winds 20 to 25 kt with gusts to 30 kt. seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. wave detail: nw 5 ft at
5 seconds and e 1 foot at 10 seconds, becoming n 4 ft at
5 seconds. 
.mon night...nw winds 20 to 25 kt. seas 3 to 4 ft.
.tue...nw winds 15 to 20 kt. seas 2 to 3 ft. 
.tue night...sw winds 10 to 15 kt. seas 2 ft. 
.wed...sw winds 15 to 20 kt. seas 3 to 4 ft. 
.wed night...sw winds 15 to 20 kt. seas 4 to 5 ft.  

winds and seas higher in and near tstms.

$$