fzus52 kchs 172140
cwfchs
expires:202512181000;;761073

coastal waters forecast
national weather service charleston sc
439 pm est wed dec 17 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


amz330-181000-
charleston harbor-
439 pm est wed dec 17 2025

.tonight...e winds 5 kt, becoming 5 kt after midnight. a slight
chance of rain late. 
.thu...e winds 5 to 10 kt, becoming se in the afternoon. a slight
chance of rain in the morning, then rain with a slight chance of
tstms in the afternoon. 
.thu night...s winds 5 to 10 kt, becoming sw 15 kt with gusts to
20 kt after midnight. a slight chance of tstms. rain, mainly in
the evening. 
.fri...w winds 10 to 15 kt. 
.fri night...nw winds 5 kt. 
.sat...ne winds 5 kt. 
.sat night...e winds 5 kt, becoming w after midnight. 
.sun...w winds 5 kt. 
.sun night...n winds 5 to 10 kt. 
.mon...ne winds 10 to 15 kt. 
.mon 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 53 degrees. 

$$

fzus52 kchs 172140
cwfchs
expires:202512181000;;761074

coastal waters forecast
national weather service charleston sc
439 pm est wed dec 17 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


amz350-181000-
waters from south santee river to edisto beach sc out 20 nm-
439 pm est wed dec 17 2025

.tonight...e winds 5 kt, increasing to 5 to 10 kt late. seas 2 to
3 ft. wave detail: se 2 ft at 10 seconds and s 1 foot at
4 seconds. a slight chance of rain after midnight. 
.thu...se winds 10 to 15 kt. seas 3 to 4 ft, building to 4 to
5 ft in the afternoon. wave detail: se 3 ft at 5 seconds and se
3 ft at 9 seconds, becoming se 5 ft at 9 seconds. a slight chance
of rain in the morning, then rain with a slight chance of tstms
in the afternoon. 
.thu night...s winds 10 to 15 kt, becoming sw 20 to 25 kt after
midnight. seas 4 to 6 ft, building to 5 to 7 ft after midnight.
wave detail: se 5 ft at 7 seconds, becoming se 7 ft at 8 seconds.
rain with a chance of tstms in the evening, then rain likely with
a slight chance of tstms after midnight. 
.fri...w winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 6 to 8 ft, subsiding to 5 to 7 ft in the
afternoon. wave detail: s 7 ft at 9 seconds and sw 3 ft at
5 seconds, becoming se 6 ft at 9 seconds and sw 4 ft at
7 seconds. a slight chance of rain in the morning. 
.fri night...nw winds 10 kt, becoming n after midnight. seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. wave detail: se 4 ft
at 8 seconds. 
.sat...ne winds 5 to 10 kt. seas 3 ft. wave detail: ne 3 ft at
8 seconds. 
.sat night...e winds 5 kt, becoming w after midnight. seas 2 to
3 ft. 
.sun...w winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...n winds 15 to 20 kt. seas 3 to 4 ft. 
.mon...ne winds 15 to 20 kt. seas 4 to 6 ft. 
.mon night...ne winds 15 to 20 kt. seas 4 to 6 ft. 

winds and seas higher in and near tstms.

$$