fzus52 kchs 200639
cwfchs
expires:202603202000;;992425

coastal waters forecast
national weather service charleston sc
239 am edt fri mar 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


amz330-202000-
charleston harbor-
239 am edt fri mar 20 2026

.today...variable winds 5 kt. 
.tonight...sw winds 5 to 10 kt. 
.sat...sw winds 10 kt. 
.sat night...sw winds 5 to 10 kt. 
.sun...sw winds 5 kt, increasing to 10 kt in the afternoon. 
.sun night...sw winds 10 kt. 
.mon...sw winds 10 kt. 
.mon night...n winds 10 to 15 kt. 
.tue...ne winds 10 to 15 kt. 
.tue night...ne winds 10 to 15 kt.  

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 59 degrees. 

$$

fzus52 kchs 200639
cwfchs
expires:202603202000;;992426

coastal waters forecast
national weather service charleston sc
239 am edt fri mar 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


amz350-202000-
waters from south santee river to edisto beach sc out 20 nm-
239 am edt fri mar 20 2026

.today...n winds 5 kt, becoming e late. seas 3 to 4 ft. wave
detail: e 4 ft at 9 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw 10 to 15 kt after
midnight. seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds. 
.sat...sw winds 10 to 15 kt with gusts to 20 kt. seas 4 to 5 ft,
subsiding to 3 to 4 ft in the afternoon. wave detail: e 4 ft at
10 seconds and sw 3 ft at 4 seconds, becoming sw 3 ft at
4 seconds and e 3 ft at 10 seconds. 
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail:
sw 3 ft at 5 seconds and e 3 ft at 10 seconds. 
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: sw 3 ft
at 5 seconds and e 3 ft at 9 seconds. 
.sun night...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft.
wave detail: sw 3 ft at 5 seconds and e 2 ft at 9 seconds. 
.mon...sw winds 15 kt. seas 3 to 4 ft. 
.mon night...n winds 25 to 30 kt. seas 5 to 7 ft. a slight chance
of showers and tstms. 
.tue...ne winds 25 to 30 kt. seas 7 to 9 ft. 
.tue night...ne winds 20 to 25 kt. seas 5 to 7 ft. a slight
chance of showers.  

winds and seas higher in and near tstms.

$$