fzus52 kchs 211501
cwfchs
expires:202505220415;;904461

coastal waters forecast
national weather service charleston sc
1101 am edt wed may 21 2025

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


amz330-220415-
charleston harbor-
1101 am edt wed may 21 2025

.this afternoon...sw winds 10 to 15 kt, increasing to 15 kt with
gusts to 20 kt. a slight chance of showers. a slight chance of 
tstms.
.tonight...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. 
.thu...nw winds 5 to 10 kt, becoming w 10 to 15 kt with gusts to
20 kt in the afternoon. 
.thu night...w winds 10 to 15 kt. 
.fri...w winds 10 kt. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight. 
.sat...ne winds 5 to 10 kt. 
.sat night...s winds 5 kt. 
.sun...s winds 10 to 15 kt. 
.sun night...s winds 10 to 15 kt. a slight chance of showers.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 78 degrees. 

$$

fzus52 kchs 211501
cwfchs
expires:202505220415;;904462

coastal waters forecast
national weather service charleston sc
1101 am edt wed may 21 2025

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


amz350-220415-
waters from south santee river to edisto beach sc out 20 nm-
1101 am edt wed may 21 2025

.this afternoon...sw winds 15 to 20 kt with gusts to 25 kt. seas
3 to 4 ft, building to 4 to 5 ft. wave detail: sw 3 ft at
5 seconds and se 2 ft at 9 seconds, becoming sw 5 ft at 5 seconds
and se 2 ft at 9 seconds. a slight chance of showers. 
.tonight...sw winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight.
wave detail: sw 5 ft at 6 seconds and se 2 ft at 9 seconds,
becoming w 3 ft at 6 seconds and se 1 foot at 9 seconds. 
.thu...nw winds 10 to 15 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: w 3 ft at 5 seconds and se 1 foot at
9 seconds. 
.thu night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and
se 1 foot at 9 seconds. a slight chance of showers and tstms
after midnight. 
.fri...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 5 seconds and se 1 foot at 9 seconds. 
.fri night...w winds 10 to 15 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot
at 9 seconds. 
.sat...ne winds 10 to 15 kt. seas 2 to 3 ft. 
.sat night...s winds 5 to 10 kt. seas 2 ft. 
.sun...s winds 10 to 15 kt. seas 2 ft. 
.sun night...s winds 10 to 15 kt. seas 2 to 3 ft. a slight chance
of showers.  

winds and seas higher in and near tstms.

$$