fzus52 kchs 230615
cwfchs
expires:202603232000;;150589

coastal waters forecast
national weather service charleston sc
215 am edt mon mar 23 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


amz330-232000-
charleston harbor-
215 am edt mon mar 23 2026

...small craft advisory in effect from late tonight through
tuesday evening...

.rest of tonight...sw winds 10 kt. 
.mon...sw winds 10 kt with gusts to 20 kt. 
.mon night...nw winds 5 to 10 kt, becoming ne 15 to 20 kt after
midnight. waves 1 to 2 ft. a chance of showers and tstms in the
evening. 
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 1 to 2 ft.
.tue night...ne winds 10 to 15 kt. a chance of showers after
midnight. 
.wed...ne winds 10 kt. a chance of showers. 
.wed night...ne winds 5 to 10 kt, diminishing to 5 kt after
midnight. a slight chance of showers in the evening. 
.thu...e winds 5 kt. 
.thu night...s winds 5 kt. 
.fri...sw winds 5 to 10 kt. 
.fri night...sw winds 10 to 15 kt.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 61 degrees. 

$$

fzus52 kchs 230615
cwfchs
expires:202603232000;;150590

coastal waters forecast
national weather service charleston sc
215 am edt mon mar 23 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


amz350-232000-
waters from south santee river to edisto beach sc out 20 nm-
215 am edt mon mar 23 2026

...gale warning in effect from this evening through tuesday
evening...

.rest of tonight...sw winds 15 to 20 kt with gusts to 25 kt. seas
4 to 5 ft. wave detail: sw 4 ft at 5 seconds and e 2 ft at
9 seconds. 
.mon...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to 5 ft.
wave detail: sw 4 ft at 6 seconds and e 2 ft at 9 seconds. 
.mon night...nw winds 15 to 20 kt, becoming ne 25 to 30 kt after
midnight. seas 3 to 4 ft, building to 4 to 5 ft after midnight.
wave detail: sw 4 ft at 6 seconds and e 1 foot at 9 seconds,
becoming ne 5 ft at 9 seconds and sw 3 ft at 5 seconds. a chance
of showers and tstms in the evening. 
.tue...ne winds 25 to 30 kt. seas 6 to 8 ft, building to 7 to
9 ft in the afternoon. wave detail: ne 8 ft at 7 seconds and s
1 foot at 5 seconds, becoming e 9 ft at 8 seconds. 
.tue night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 6 to 8 ft, subsiding to 5 to 7 ft after
midnight. wave detail: e 8 ft at 8 seconds, becoming e 7 ft at
8 seconds. a slight chance of showers in the evening, then a
chance of showers after midnight. 
.wed...ne winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 4 to 6 ft, subsiding to 4 to 5 ft in the
afternoon. wave detail: e 5 ft at 8 seconds. a chance of showers.
.wed night...ne winds 5 to 10 kt. seas 3 to 4 ft. a slight chance
of showers in the evening. 
.thu...e winds 5 to 10 kt. seas 2 to 3 ft. 
.thu night...s winds 5 to 10 kt. seas 2 to 3 ft. 
.fri...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.fri night...sw winds 20 to 25 kt. seas 3 to 4 ft. a slight
chance of showers.  

winds and seas higher in and near tstms.

$$