Colleton River Entrance, SC Coastal Forecast

FZUS52 KCHS 251735
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1235 PM EST Thu Dec 25 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

AMZ300-260600-
1235 PM EST Thu Dec 25 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the remainder of the holiday
week. A cold front will move through the area early next week.

$$

AMZ330-260600-
Charleston Harbor-
1235 PM EST Thu Dec 25 2025

.THIS AFTERNOON...SW winds 10 kt.
.TONIGHT...W winds 5 to 10 kt.
.FRI...N winds 5 kt, becoming E in the afternoon.
.FRI NIGHT...S winds 5 kt, becoming SW after midnight.
.SAT...W winds 5 kt.
.SAT NIGHT...S winds 5 kt, becoming E after midnight.
.SUN...E winds 5 kt.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...SW winds 10 to 15 kt. A slight chance of rain.
.MON NIGHT...NW winds 10 to 15 kt. A slight chance of rain.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 55 degrees.

$$

AMZ350-260600-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1235 PM EST Thu Dec 25 2025

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 8 seconds.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
9 seconds and SW 1 foot at 4 seconds.
.FRI NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
Wave Detail: E 2 ft at 7 seconds and SW 1 foot at 4 seconds,
becoming SW 2 ft at 4 seconds and E 2 ft at 6 seconds.
.SAT...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at
10 seconds.
.SAT NIGHT...S winds 5 kt, becoming E after midnight. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 10 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...SW winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance of
rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. A slight
chance of rain.

$$

AMZ352-260600-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1235 PM EST Thu Dec 25 2025

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE
2 ft at 9 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 9 seconds and SW 1 foot at 3 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
3 seconds.
.FRI NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and E 2 ft at 11 seconds.
.SAT NIGHT...SW winds 5 kt, becoming SE after midnight. Seas 2 to
3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.MON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of rain.

$$

AMZ354-260600-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1235 PM EST Thu Dec 25 2025

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E
2 ft at 9 seconds.
.TONIGHT...W winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and SW 1 foot at 3 seconds.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
3 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 3 seconds and E 2 ft at 9 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and E 2 ft at 13 seconds.
.SAT NIGHT...W winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
13 seconds and SW 1 foot at 3 seconds.
.SUN...NE winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 ft.
.MON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of rain.

$$

AMZ374-260600-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1235 PM EST Thu Dec 25 2025

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E
2 ft at 9 seconds.
.TONIGHT...W winds 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft
after midnight. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
2 seconds, becoming W 2 ft at 3 seconds and E 2 ft at 7 seconds.
.FRI...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
8 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight. Wave Detail: SW 2 ft
at 3 seconds and E 2 ft at 8 seconds, becoming SW 3 ft at
4 seconds and E 2 ft at 8 seconds.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 4 seconds and E 3 ft at 12 seconds.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: E
3 ft at 12 seconds and SW 2 ft at 4 seconds, becoming E 3 ft at
11 seconds and SW 1 foot at 3 seconds.
.SUN...N winds 5 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of rain.

$$