fzus52 kchs 312140
cwfchs
expires:202601011100;;573019

coastal waters forecast
national weather service charleston sc
440 pm 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


amz330-011100-
charleston harbor-
440 pm est wed dec 31 2025

...small craft advisory in effect from 11 pm est this evening
through thursday morning...

.tonight...w winds 5 to 10 kt with gusts to 25 kt, increasing to
10 to 15 kt with gusts to 30 kt after midnight. 
.thu...w winds 10 to 15 kt. gusts to 25 kt in the morning. 
.thu night...w winds 5 kt. 
.fri...w winds 5 to 10 kt. 
.fri night...sw winds 5 to 10 kt. a chance of showers after
midnight. 
.sat...sw winds 5 to 10 kt. showers likely with a slight chance
of tstms in the morning, then showers with a chance of tstms in
the afternoon. 
.sat night...sw winds 10 kt, becoming nw after midnight. showers
with a slight chance of tstms in the evening, then a slight
chance of showers after midnight. 
.sun...n winds 10 kt. 
.sun night...ne winds 5 kt. 
.mon...ne winds 5 kt. 
.mon 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 55 degrees. 

$$

fzus52 kchs 312140
cwfchs
expires:202601011100;;573020

coastal waters forecast
national weather service charleston sc
440 pm 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


amz350-011100-
waters from south santee river to edisto beach sc out 20 nm-
440 pm est wed dec 31 2025

...small craft advisory in effect from 11 pm est this evening
through thursday morning...

.tonight...w winds 10 to 15 kt, increasing to 15 to 20 kt late
this evening. seas 2 to 3 ft, building to 3 to 4 ft after
midnight. wave detail: w 2 ft at 4 seconds and e 1 foot at
7 seconds, becoming sw 4 ft at 5 seconds and e 1 foot at
8 seconds. 
.thu...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. wave detail: sw 4 ft at 5 seconds and e 1 foot at
8 seconds, becoming sw 3 ft at 5 seconds and e 1 foot at
8 seconds. 
.thu night...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 5 seconds. 
.fri...w winds 10 to 15 kt. seas 2 ft. wave detail: sw 2 ft at
5 seconds. 
.fri night...sw winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft
at 4 seconds and e 1 foot at 14 seconds. a chance of showers
after midnight. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 ft, building to 3 to 4 ft in the afternoon.
wave detail: sw 2 ft at 5 seconds and e 1 foot at 13 seconds,
becoming s 4 ft at 6 seconds and e 1 foot at 13 seconds. showers
likely in the morning, then showers with a slight chance of tstms
in the afternoon. 
.sat night...sw winds 15 to 20 kt, becoming nw after midnight.
seas 4 to 5 ft. showers with a slight chance of tstms in the
evening, then a chance of showers after midnight. 
.sun...n winds 15 to 20 kt. seas 3 to 4 ft. a slight chance of
showers. 
.sun night...ne winds 10 to 15 kt. seas 2 to 3 ft.
.mon...ne winds 10 to 15 kt. seas 2 to 3 ft. 
.mon night...ne winds 5 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

$$