308
FZUS52 KCHS 112139
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 PM EST Tue Nov 11 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

AMZ300-121000-
439 PM EST Tue Nov 11 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.

$$

AMZ330-121000-
Charleston Harbor-
439 PM EST Tue Nov 11 2025

.TONIGHT...W winds 5 to 10 kt.
.WED...W winds 10 to 15 kt with gusts to 20 kt.
.WED NIGHT...W winds 10 to 15 kt.
.THU...NW winds 5 to 10 kt.
.THU NIGHT...NW winds 5 kt.
.FRI...NE winds 5 kt, becoming E in the afternoon.
.FRI NIGHT...SW winds 5 kt.
.SAT...W winds 5 to 10 kt.
.SAT NIGHT...SW winds 5 to 10 kt.
.SUN...SW winds 10 to 15 kt.
.SUN NIGHT...SW winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 62 degrees.

$$

AMZ350-121000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 PM EST Tue Nov 11 2025

.TONIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt late.
Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds.
.WED...W winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 9 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
9 seconds.
.THU...NW winds 10 to 15 kt, becoming N 5 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and SE 1 foot at
9 seconds.
.THU NIGHT...N winds 5 kt. Seas 2 ft in the evening, then 1 foot
or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at
9 seconds, becoming 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 1 foot at
3 seconds and SW 1 foot at 4 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
.SAT...W winds 5 to 10 kt. Seas 2 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...SW winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft.

$$

AMZ352-121000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 PM EST Tue Nov 11 2025

.TONIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 ft. Wave Detail: W 2 ft at
3 seconds.
.WED...W winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds.
.WED NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds
and SE 1 foot at 9 seconds.
.THU...NW winds 10 to 15 kt, diminishing to 5 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and
SE 1 foot at 9 seconds.
.THU NIGHT...E winds 5 kt, becoming N after midnight. Seas 1 foot
or less. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at
9 seconds.
.FRI...NE winds 5 kt. Seas 1 foot or less. Wave Detail: SE 1 foot
at 9 seconds.
.FRI NIGHT...S winds 5 kt, becoming W after midnight. Seas 1 foot
or less, then around 2 ft after midnight.
.SAT...W winds 5 kt. Seas 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ354-121000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 PM EST Tue Nov 11 2025

.TONIGHT...W winds 5 to 10 kt, increasing to 15 kt late. Seas
2 ft. Wave Detail: NW 2 ft at 4 seconds.
.WED...W winds 10 to 15 kt with gusts to 20 kt. Seas 2 ft. Wave
Detail: W 2 ft at 3 seconds and SE 1 foot at 9 seconds.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
9 seconds.
.THU...NW winds 10 to 15 kt, becoming N 5 kt in the afternoon.
Seas 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at
9 seconds.
.THU NIGHT...NE 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 kt. Seas 1 foot or less. Wave Detail: NE 1 foot
at 2 seconds and SE 1 foot at 9 seconds.
.FRI NIGHT...SE winds 5 kt, becoming W after midnight. Seas
1 foot or less, then around 2 ft after midnight.
.SAT...W winds 5 kt. Seas 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ374-121000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 PM EST Tue Nov 11 2025

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

$$