fzus52 kchs 310544
cwfchs
expires:202512311945;;533846

coastal waters forecast
national weather service charleston sc
1244 am est wed dec 31 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


amz330-311945-
charleston harbor-
1244 am est wed dec 31 2025

.rest of tonight...nw winds 5 to 10 kt. 
.wed...nw winds 5 to 10 kt, becoming w in the afternoon.
.wed night...w winds 10 to 15 kt, increasing to 15 to 20 kt. waves
building 1 to 2 ft.
.thu...w winds 15 kt with gusts to 20 kt, diminishing to 5 to 
10 kt in the afternoon. 
.thu night...w winds 5 kt. 
.fri...w winds 5 to 10 kt. 
.fri night...sw winds 5 to 10 kt. a slight chance of showers in
the evening, then a chance of showers after midnight. 
.sat...sw winds 5 to 10 kt. showers with a slight chance of
tstms. 
.sat night...n winds 5 to 10 kt. showers likely. 
.sun...n winds 5 to 10 kt. 
.sun night...ne winds 5 kt.  

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less. 

charleston harbor water temperature 56 degrees. 

$$

fzus52 kchs 310544
cwfchs
expires:202512311945;;533847

coastal waters forecast
national weather service charleston sc
1244 am est wed dec 31 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


amz350-311945-
waters from south santee river to edisto beach sc out 20 nm-
1244 am est wed dec 31 2025

...small craft advisory in effect from this evening through
thursday morning...

.rest of tonight...nw winds 10 to 15 kt, diminishing to 5 to 10
kt. seas 1 to 2 ft. wave detail: w 1 foot at 3 seconds and ne 1 
foot at 6 seconds. 
.wed...nw winds 10 to 15 kt, becoming w 10 kt. seas 1 to 2 ft. 
wave detail: w 2 ft at 3 seconds and ne 1 foot at 6 seconds.
.wed night...w winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts to 30 kt after midnight. seas 2 to 3 ft, building to 3 to 
5 ft away from the coast after midnight. wave detail: sw 3 ft at 
4 seconds and e 1 foot at 7 seconds, becoming sw 5 ft at 5 seconds
and e 1 foot at 8 seconds. 
.thu...w winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. seas 3 to 5 ft, except 2 to 3 ft,
near the immediate coast, subsiding to 2 to 3 ft throughout.
sw 5 ft at 6 seconds and e 1 foot at 8 seconds, becoming sw 3 ft 
at 6 seconds and e 1 foot at 8 seconds. 
.thu night...w winds 5 to 10 kt. seas 1 to 2 ft. wave detail: sw 
2 ft at 5 seconds. 
.fri...w winds 5 to 10 kt, becoming sw 10 to 15 kt in the
afternoon. seas 1 to 2 ft. wave detail: sw 2 ft at 4 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 1 to 2 ft. a slight chance of showers in the 
evening, then a chance of showers after midnight. 
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft. showers with a
slight chance of tstms. 
.sat night...n winds 10 to 15 kt. seas 3 to 4 ft. showers likely.
.sun...n winds 10 to 15 kt. seas 3 to 4 ft. a slight chance of
showers. 
.sun night...ne winds 10 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

$$