fzus52 kchs 201313
cwfchs
expires:202602210315;;959261

coastal waters forecast
national weather service charleston sc
813 am 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


amz330-210315-
charleston harbor-
813 am est fri feb 20 2026

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

.today...sw winds 15 kt with gusts to 25 kt. patchy fog. fog could
be locally dense with vsby 1 nm or less, especially near the
harbor entrance. a slight chance of showers early this afternoon.
a chance of showers late.
.tonight...sw winds 5 to 10 kt. a chance of showers. patchy fog
in the evening. patchy fog after midnight. a slight chance of
tstms after midnight with vsby 1 to 3 nm.
.sat...sw winds 5 to 10 kt. patchy fog in the morning. a chance
of showers with a slight chance of tstms in the morning, then
showers with a chance of tstms in the afternoon. vsby 1 to 3 nm
in the morning. 
.sat night...sw winds 5 to 10 kt. showers. a chance of tstms,
mainly in the evening. 
.sun...nw winds 10 to 15 kt with gusts to 20 kt. a chance of
showers, mainly in the morning. 
.sun night...nw winds 15 kt with gusts to 25 kt. 
.mon...nw winds 15 kt. 
.mon night...nw winds 10 kt. 
.tue...nw winds 5 to 10 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 53 degrees. 

$$

fzus52 kchs 201313
cwfchs
expires:202602210315;;959262

coastal waters forecast
national weather service charleston sc
813 am 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


amz350-210315-
waters from south santee river to edisto beach sc out 20 nm-
813 am 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...

.today...sw winds 15 to 20 kt with gusts to 30 kt. seas 3 to 
5 ft. wave detail: sw 5 ft at 6 seconds and e 1 foot at 12 
seconds. dense fog with vsby 1 nm or less. a slight chance of 
showers this afternoon.
.tonight...sw winds 10 to 15 kt. seas 4 to 5 ft, subsiding to
2 to 3 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. patchy fog. a slight chance
of tstms after midnight. vsby 1 nm or less. 
.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. showers with a slight
chance of tstms. 
.sat night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 6 seconds and e 1 foot at 10 seconds. showers. a chance
of tstms, mainly in the evening. 
.sun...nw winds 15 to 20 kt with gusts to 25 kt. seas 3 to 4 ft.
wave detail: nw 4 ft at 5 seconds and e 1 foot at 9 seconds. a
chance of showers, mainly in the morning. 
.sun night...nw winds 25 to 30 kt. seas 4 to 5 ft, building to
4 to 6 ft after midnight. wave detail: nw 5 ft at 5 seconds and e
1 foot at 8 seconds, becoming nw 5 ft at 5 seconds and e 1 foot
at 10 seconds. a slight chance of showers in the evening. 
.mon...nw winds 20 to 25 kt. seas 4 to 6 ft. 
.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...w winds 5 to 10 kt. seas 2 ft.  

winds and seas higher in and near tstms.

$$