826
FZUS52 KCHS 132139
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 PM EST Thu Nov 13 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

AMZ300-141000-
439 PM EST Thu Nov 13 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Dry high pressure will remain the primary feature across the area
through the weekend. A dry cold front could move through the area
early next week.

$$

AMZ330-141000-
Charleston Harbor-
439 PM EST Thu Nov 13 2025

.TONIGHT...W winds 5 kt, becoming N after midnight.
.FRI...NE winds 5 kt.
.FRI NIGHT...S winds 5 kt, becoming W after midnight.
.SAT...W winds 5 to 10 kt.
.SAT NIGHT...SW winds 10 to 15 kt.
.SUN...SW winds 15 kt with gusts to 20 kt.
.SUN NIGHT...W winds 5 to 10 kt.
.MON...NE winds 5 to 10 kt.
.MON NIGHT...SW winds 5 kt.
.TUE...SW winds 5 to 10 kt.
.TUE NIGHT...SW winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 60 degrees.

$$

AMZ350-141000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 PM EST Thu Nov 13 2025

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

$$

AMZ352-141000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 PM EST Thu Nov 13 2025

.TONIGHT...Variable winds 5 kt. Seas 1 foot or less. Wave Detail:
SW 1 foot at 4 seconds and SE 1 foot at 9 seconds.
.FRI...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft at
9 seconds and W 1 foot at 3 seconds.
.FRI NIGHT...SE winds 5 kt, becoming SW after midnight. Seas
2 ft. Wave Detail: SE 2 ft at 6 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW 2 ft at
3 seconds and SE 2 ft at 7 seconds.
.SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after
midnight. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
8 seconds, becoming SW 3 ft at 4 seconds and SE 1 foot at
8 seconds.
.SUN...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft
at 5 seconds and E 1 foot at 8 seconds.
.SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to
2 to 3 ft after midnight.
.MON...N winds 5 to 10 kt. Seas 2 ft.
.MON NIGHT...S winds 5 kt. Seas 1 foot or less.
.TUE...SW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 2 ft.

$$

AMZ354-141000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 PM EST Thu Nov 13 2025

.TONIGHT...Variable winds 5 kt. Seas 1 foot or less. Wave Detail:
W 1 foot at 3 seconds and SE 1 foot at 9 seconds.
.FRI...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft at
9 seconds.
.FRI NIGHT...E winds 5 kt, becoming SW after midnight. Seas 2 ft.
Wave Detail: E 2 ft at 6 seconds.
.SAT...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at
2 seconds.
.SAT NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 7 seconds.
.SUN...SW winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds.
.SUN NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.MON...N winds 5 to 10 kt. Seas 2 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.TUE...S winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 2 ft.

$$

AMZ374-141000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 PM EST Thu Nov 13 2025

.TONIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and NW 1 foot at 3 seconds.
.FRI...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: N 2 ft at
8 seconds.
.FRI NIGHT...NE winds 5 to 10 kt, becoming W after midnight. Seas
2 ft. Wave Detail: NE 2 ft at 6 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds and W 1 foot at 2 seconds.
.SAT NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft, building to 4 to 5 ft after
midnight. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at
8 seconds, becoming SW 4 ft at 5 seconds and SE 2 ft at
8 seconds.
.SUN...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: W 4 ft at 5 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft.
.MON...N winds 10 to 15 kt. Seas 2 to 3 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 2 ft.

$$