FZUS52 KCHS 252310
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
610 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
AMZ300-261200-
610 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.
$$
AMZ330-261200-
Charleston Harbor-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 5 to 10 kt, becoming W late.
.FRI...N winds 5 kt, becoming E in the afternoon.
.FRI NIGHT...S winds 5 kt, becoming SW after midnight.
.SAT...W winds 5 kt.
.SAT NIGHT...S winds 5 kt, becoming E after midnight.
.SUN...E winds 5 kt.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...SW winds 10 to 15 kt. A slight chance of rain.
.MON NIGHT...NW winds 10 to 15 kt. A slight chance of rain.
.TUE...N winds 5 to 10 kt.
.TUE NIGHT...N winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 56 degrees.
$$
AMZ350-261200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 10 kt, becoming W late. 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. Wave Detail: E 2 ft at
10 seconds and E 1 foot at 2 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft after midnight.
.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.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 10 kt. Seas 2 to 3 ft.
$$
AMZ352-261200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 5 to 10 kt, becoming W late. Seas 2 to 3 ft.
Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
3 seconds.
.FRI NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and E 2 ft at 11 seconds.
.SAT NIGHT...SW winds 5 kt, becoming SE after midnight. Seas 2 to
3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds and E 1 foot at 2 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 to 3 ft.
.MON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of rain.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 10 kt. Seas 2 ft.
$$
AMZ354-261200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 10 kt, becoming W late. 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...NW winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 11 seconds and SW 1 foot at 3 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. 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.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.
$$
AMZ374-261200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 10 kt, becoming W late. Seas 2 to 3 ft,
building to 3 to 4 ft after midnight. Wave Detail: E 2 ft at
9 seconds and SW 1 foot at 2 seconds, becoming W 2 ft at
3 seconds and E 2 ft at 7 seconds.
.FRI...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
8 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight. Wave Detail: SW 2 ft
at 3 seconds and E 2 ft at 8 seconds, becoming SW 3 ft at
4 seconds and E 2 ft at 8 seconds.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 4 seconds and E 3 ft at 12 seconds.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: E
3 ft at 12 seconds and SW 2 ft at 4 seconds, becoming E 3 ft at
11 seconds and SW 1 foot at 3 seconds.
.SUN...N winds 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 11 seconds and SW 1 foot at 3 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft after midnight.
.MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of rain.
.TUE...N winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
rain.
.TUE NIGHT...N winds 15 kt. Seas 3 to 4 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
610 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
AMZ300-261200-
610 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.
$$
AMZ330-261200-
Charleston Harbor-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 5 to 10 kt, becoming W late.
.FRI...N winds 5 kt, becoming E in the afternoon.
.FRI NIGHT...S winds 5 kt, becoming SW after midnight.
.SAT...W winds 5 kt.
.SAT NIGHT...S winds 5 kt, becoming E after midnight.
.SUN...E winds 5 kt.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...SW winds 10 to 15 kt. A slight chance of rain.
.MON NIGHT...NW winds 10 to 15 kt. A slight chance of rain.
.TUE...N winds 5 to 10 kt.
.TUE NIGHT...N winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 56 degrees.
$$
AMZ350-261200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 10 kt, becoming W late. 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. Wave Detail: E 2 ft at
10 seconds and E 1 foot at 2 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft after midnight.
.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.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 10 kt. Seas 2 to 3 ft.
$$
AMZ352-261200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 5 to 10 kt, becoming W late. Seas 2 to 3 ft.
Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
3 seconds.
.FRI NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and E 2 ft at 11 seconds.
.SAT NIGHT...SW winds 5 kt, becoming SE after midnight. Seas 2 to
3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds and E 1 foot at 2 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 to 3 ft.
.MON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of rain.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 10 kt. Seas 2 ft.
$$
AMZ354-261200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 10 kt, becoming W late. 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...NW winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 11 seconds and SW 1 foot at 3 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. 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.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.
$$
AMZ374-261200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
610 PM EST Thu Dec 25 2025
.TONIGHT...SW winds 10 kt, becoming W late. Seas 2 to 3 ft,
building to 3 to 4 ft after midnight. Wave Detail: E 2 ft at
9 seconds and SW 1 foot at 2 seconds, becoming W 2 ft at
3 seconds and E 2 ft at 7 seconds.
.FRI...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
8 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight. Wave Detail: SW 2 ft
at 3 seconds and E 2 ft at 8 seconds, becoming SW 3 ft at
4 seconds and E 2 ft at 8 seconds.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 4 seconds and E 3 ft at 12 seconds.
.SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: E
3 ft at 12 seconds and SW 2 ft at 4 seconds, becoming E 3 ft at
11 seconds and SW 1 foot at 3 seconds.
.SUN...N winds 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 11 seconds and SW 1 foot at 3 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft after midnight.
.MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of rain.
.TUE...N winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
rain.
.TUE NIGHT...N winds 15 kt. Seas 3 to 4 ft.
$$