fzus52 kchs 181824
cwfchs
expires:202603190800;;911063

coastal waters forecast
national weather service charleston sc
224 pm edt wed mar 18 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


amz350-190800-
waters from south santee river to edisto beach sc out 20 nm-
224 pm edt wed mar 18 2026

.this afternoon...ne winds 10 to 15 kt with gusts to 20 kt. seas
4 to 5 ft. wave detail: ne 4 ft at 5 seconds and se 3 ft at
9 seconds. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. seas 4 to
5 ft. wave detail: se 4 ft at 9 seconds and ne 3 ft at 5 seconds.
.thu...n winds 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. seas 4 to 5 ft. wave detail: ne 4 ft at 5 seconds and
e 4 ft at 9 seconds. 
.thu night...ne winds 5 to 10 kt. seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. wave detail: e 4 ft at 9 seconds. 
.fri...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 9 seconds. 
.fri night...se winds 5 to 10 kt, becoming sw after midnight.
seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds. 
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sun night...sw winds 15 to 20 kt. seas 3 to 4 ft. 

$$

fzus52 kchs 181824
cwfchs
expires:202603190800;;911064

coastal waters forecast
national weather service charleston sc
224 pm edt wed mar 18 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


amz352-190800-
waters from edisto beach sc to savannah ga out 20 nm-
224 pm edt wed mar 18 2026

.this afternoon...ne winds 10 to 15 kt. seas 3 to 4 ft. wave
detail: ne 3 ft at 5 seconds and se 3 ft at 9 seconds. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. seas 3 to
4 ft, building to 4 to 5 ft after midnight. wave detail: ne 3 ft
at 5 seconds and se 3 ft at 9 seconds. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. seas 4 to 5 ft.
wave detail: ne 4 ft at 6 seconds and e 4 ft at 9 seconds. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
3 to 4 ft. wave detail: e 4 ft at 9 seconds. 
.fri...n winds 5 kt, becoming e in the afternoon. seas 3 to 4 ft.
wave detail: e 4 ft at 9 seconds. 
.fri night...se winds 5 to 10 kt, becoming sw after midnight.
seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds. 
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sun...sw winds 10 to 15 kt. seas 3 ft. 
.sun night...sw winds 15 to 20 kt. seas 3 ft.  

$$

fzus52 kchs 181824
cwfchs
expires:202603190800;;911065

coastal waters forecast
national weather service charleston sc
224 pm edt wed mar 18 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


amz354-190800-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
224 pm edt wed mar 18 2026

.this afternoon...ne winds 10 to 15 kt. seas 3 to 4 ft. wave
detail: ne 3 ft at 4 seconds and se 2 ft at 9 seconds. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 to 4 ft, building to 4 to 5 ft after midnight.
wave detail: ne 3 ft at 4 seconds and se 3 ft at 9 seconds,
becoming ne 3 ft at 5 seconds and se 3 ft at 9 seconds. 
.thu...n winds 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. seas 4 to 5 ft. wave detail: ne 4 ft at 6 seconds and
e 4 ft at 9 seconds. 
.thu night...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds. 
.fri...n winds 5 to 10 kt, becoming ne in the afternoon. seas
3 to 4 ft. wave detail: e 4 ft at 9 seconds. 
.fri night...se winds 5 to 10 kt, becoming sw after midnight.
seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds. 
.sat...sw winds 10 kt. seas 3 to 4 ft. 
.sat night...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sun...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...sw winds 10 to 15 kt. seas 3 ft.  

$$

fzus52 kchs 181824
cwfchs
expires:202603190800;;911066

coastal waters forecast
national weather service charleston sc
224 pm edt wed mar 18 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


amz374-190800-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
224 pm edt wed mar 18 2026

...small craft advisory in effect from 8 pm edt this evening
through late thursday night...

.this afternoon...n winds 15 kt. seas 4 to 5 ft. wave detail: e
4 ft at 9 seconds and n 3 ft at 4 seconds. 
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 5 seconds and se 4 ft at 9 seconds.
.thu...ne winds 15 to 20 kt with gusts to 25 kt. seas 5 to 7 ft.
wave detail: ne 6 ft at 7 seconds and e 6 ft at 9 seconds. 
.thu night...ne winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas 5 to 6 ft, subsiding to 4 to 5 ft after
midnight. wave detail: e 6 ft at 8 seconds, becoming e 5 ft at
9 seconds. 
.fri...ne winds 5 to 10 kt. seas 4 to 5 ft. wave detail: e 5 ft
at 9 seconds. 
.fri night...e winds 5 to 10 kt, becoming sw after midnight. seas
4 to 5 ft. wave detail: e 5 ft at 9 seconds. 
.sat...sw winds 10 to 15 kt. seas 4 to 5 ft. 
.sat night...sw winds 10 to 15 kt. seas 4 to 5 ft. 
.sun...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sun night...sw winds 15 to 20 kt. seas 3 to 4 ft. 

$$