fzus52 kchs 072139
cwfchs
expires:202604081100;;997793

coastal waters forecast
national weather service charleston sc
539 pm edt tue apr 7 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


amz330-081100-
charleston harbor-
539 pm edt tue apr 7 2026

...small craft advisory in effect from midnight edt tonight
through thursday evening...

.tonight...ne winds 15 to 20 kt with gusts to 25 kt, increasing
to 20 to 25 kt with gusts to 30 kt late. waves 2 to 3 ft. 
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 2 to 3 ft.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 2 to
3 ft. a slight chance of showers after midnight. 
.thu...ne winds 15 to 20 kt with gusts to 25 kt. waves 1 to 2 ft.
.thu night...ne winds 15 to 20 kt with gusts to 25 kt,
diminishing to 10 kt after midnight. waves 1 to 2 ft. 
.fri...ne winds 10 kt. 
.fri night...e winds 5 to 10 kt, becoming ne after midnight. 
.sat...ne winds 5 kt. 
.sat night...se winds 5 kt. 
.sun...e winds 5 to 10 kt. 
.sun night...se winds 5 to 10 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 67 degrees. 

$$

fzus52 kchs 072139
cwfchs
expires:202604081100;;997794

coastal waters forecast
national weather service charleston sc
539 pm edt tue apr 7 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


amz350-081100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt tue apr 7 2026

...small craft advisory in effect until midnight edt tonight...
...gale warning in effect from midnight edt tonight through late
wednesday night...

.tonight...ne winds 20 to 25 kt with gusts to 30 kt, increasing
to 30 to 35 kt. seas 5 to 7 ft, building to 7 to 9 ft after
midnight. wave detail: e 7 ft at 8 seconds, becoming e 9 ft at
8 seconds. 
.wed...ne winds 30 to 35 kt with gusts to 45 kt. seas 9 to 11 ft,
building to 9 to 12 ft in the afternoon. wave detail: e 11 ft at
8 seconds, becoming e 12 ft at 9 seconds. 
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 9 to
12 ft, subsiding to 9 to 11 ft after midnight. wave detail: e
11 ft at 10 seconds, becoming e 10 ft at 10 seconds. a slight
chance of showers. 
.thu...ne winds 25 to 30 kt. seas 8 to 10 ft. wave detail: e
10 ft at 11 seconds. a slight chance of showers. 
.thu night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 7 to 9 ft, subsiding to 6 to 8 ft after
midnight. wave detail: e 9 ft at 10 seconds, becoming e 8 ft at
11 seconds. a slight chance of showers in the evening. 
.fri...ne winds 15 to 20 kt with gusts to 25 kt. seas 5 to 7 ft.
wave detail: e 7 ft at 11 seconds. 
.fri night...e winds 10 to 15 kt with gusts to 20 kt, becoming ne
5 kt after midnight. seas 4 to 6 ft, subsiding to 4 to 5 ft after
midnight. 
.sat...ne winds 5 to 10 kt. seas 4 to 5 ft. 
.sat night...se winds 5 to 10 kt. seas 3 to 4 ft. 
.sun...e winds 5 to 10 kt. seas 3 ft. 
.sun night...se winds 5 to 10 kt. seas 3 ft.  

$$