fzus52 kchs 282140
cwfchs
expires:202510291000;;927612

coastal waters forecast
national weather service charleston sc
539 pm edt tue oct 28 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


amz330-291000-
charleston harbor-
539 pm edt tue oct 28 2025

.tonight...n winds 10 to 15 kt with gusts to 20 kt. a slight
chance of showers early this evening. 
.wed...ne winds 10 to 15 kt. 
.wed night...se winds 10 kt, becoming sw with gusts to 20 kt
after midnight. a chance of showers. a slight chance of tstms
after midnight. 
.thu...w winds 10 to 15 kt with gusts to 20 kt. a slight chance
of showers in the morning. 
.thu night...w winds 10 to 15 kt with gusts to 20 kt. 
.fri...w winds 10 kt. 
.fri night...w winds 5 to 10 kt. 
.sat...w winds 5 to 10 kt. 
.sat night...w winds 5 to 10 kt. 
.sun...ne winds 5 to 10 kt. 
.sun night...ne winds 5 to 10 kt.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 66 degrees. 

$$

fzus52 kchs 282140
cwfchs
expires:202510291000;;927613

coastal waters forecast
national weather service charleston sc
539 pm edt tue oct 28 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


amz350-291000-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt tue oct 28 2025

...small craft advisory in effect through friday afternoon...

.tonight...n winds 20 to 25 kt, diminishing to 15 to 20 kt late.
seas 6 to 8 ft. wave detail: ne 7 ft at 8 seconds. a slight
chance of showers early this evening, then a slight chance of
very light drizzle late this evening. 
.wed...ne winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 6 to 8 ft. wave detail: e 7 ft at 11 seconds. 
.wed night...se winds 10 to 15 kt, becoming sw 20 to 25 kt after
midnight. seas 5 to 6 ft. wave detail: e 6 ft at 11 seconds and
sw 4 ft at 5 seconds. a chance of showers. a slight chance of
tstms after midnight. 
.thu...w winds 15 to 20 kt with gusts to 25 kt. seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. wave detail: sw 4 ft at
5 seconds and e 4 ft at 10 seconds, becoming sw 4 ft at 6 seconds
and e 3 ft at 10 seconds. a chance of showers in the morning. 
.thu night...w winds 20 to 25 kt. seas 4 to 6 ft, building to
5 to 6 ft after midnight. wave detail: w 5 ft at 6 seconds and e
3 ft at 10 seconds, becoming w 5 ft at 6 seconds and se 3 ft at
15 seconds. 
.fri...nw winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. seas 4 to 6 ft, subsiding to 4 to 5 ft in the
afternoon. wave detail: w 5 ft at 6 seconds and se 4 ft at
13 seconds, becoming se 4 ft at 12 seconds and w 3 ft at
5 seconds. 
.fri night...w winds 5 to 10 kt. seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. 
.sat...nw winds 5 to 10 kt. seas 3 to 4 ft. 
.sat night...w winds 5 kt. seas 2 to 3 ft. 
.sun...ne winds 5 to 10 kt. seas 2 ft. 
.sun night...ne winds 10 to 15 kt. seas 2 to 3 ft. 

winds and seas higher in and near tstms.

$$