Capers Creek, SC - Cowen Creek, St. Helena Island Coastal Forecast

FZUS52 KCHS 222119
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
419 PM EST Mon Dec 22 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

AMZ300-231030-
419 PM EST Mon Dec 22 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the holiday week.

$$

AMZ330-231030-
Charleston Harbor-
419 PM EST Mon Dec 22 2025

.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt later
this evening, then 5 to 10 kt overnight.
.TUE...S winds 5 kt, becoming SW in the afternoon.
.TUE NIGHT...W winds 5 kt.
.WED...NW winds 5 kt, becoming N in the afternoon.
.WED NIGHT...E winds 5 kt.
.THU...S winds 5 kt, becoming SW in the afternoon.
.THU NIGHT...SW winds 5 kt.
.FRI...SW winds 5 to 10 kt.
.FRI NIGHT...SW winds 10 kt.
.SAT...SW winds 10 kt.
.SAT NIGHT...SW winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 55 degrees.

$$

AMZ350-231030-
Waters from South Santee River to Edisto Beach SC out 20 NM-
419 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

.TONIGHT...NE winds 20 kt with gusts to 25 kt, diminishing to
10 kt. Seas 4 to 6 ft, subsiding to 3 to 5 ft. Wave Detail: E 6
ft at 8 seconds, becoming E 5 ft at 9 seconds.
.TUE...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds and W 2 ft at 4 seconds.
.WED...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at
9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU...S winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft.

$$

AMZ352-231030-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
419 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

.TONIGHT...NE winds 20 kt with gusts to 25 kt, diminishing to
10 kt. Seas 4 to 6 ft, subsiding to 3 to 5 ft. Wave Detail: E 6
ft at 8 seconds, becoming E 5 ft at 9 seconds.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds.
.TUE NIGHT...W winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds.
.WED...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
.SAT...SW winds 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft.

$$

AMZ354-231030-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
419 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt, diminishing
to 5 to 10 kt. Seas 4 to 6 ft, subsiding to 3 to 5 ft. Wave
Detail: E 6 ft at 8 seconds, becoming E 5 ft at 8 seconds.
.TUE...SE winds 5 kt, becoming SW in the afternoon. Seas 4 to
5 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds.
.WED...W winds 5 to 10 kt, becoming N in the afternoon. Seas
3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...SW winds 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

$$

AMZ374-231030-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
419 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.TONIGHT...NE winds 20 kt with gusts to 25 kt, becoming E 10 to
15 kt. Seas 6 to 7 ft, subsiding to 5 to 6 ft. Wave Detail: E 7
ft at 8 seconds, becoming E 6 ft at 8 seconds. A slight chance of
rain.
.TUE...S winds 5 to 10 kt, becoming SW in the afternoon. Seas
5 to 6 ft. Wave Detail: E 6 ft at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds.
.WED...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft.
.SAT...W winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.

$$