097
FZUS52 KCHS 120554
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1254 AM EST Wed Nov 12 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

AMZ300-121815-
1254 AM EST Wed Nov 12 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.

$$

AMZ330-121815-
Charleston Harbor-
1254 AM EST Wed Nov 12 2025

.REST OF TONIGHT...W winds 10 kt.
.WED...W winds 10 to 15 kt with gusts to 20 kt.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt, diminishing
to 5 to 10 kt after midnight.
.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...W winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 62 degrees.

$$

AMZ350-121815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1254 AM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W
2 ft at 4 seconds.
.WED...W winds 15 to 20 kt with gusts to 25 kt late morning and
afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the
afternoon. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 9
seconds, becoming 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 during the
evening. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE
1 foot at 9 seconds.
.THU...N winds 10 to 15 kt, diminishing to 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. 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 1 foot at
2 seconds and W 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 4 to 5 ft.
.SUN NIGHT...W winds 15 to 20 kt. Seas 4 to 5 ft.

$$

AMZ352-121815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1254 AM EST Wed Nov 12 2025

.REST OF TONIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W
2 ft at 3 seconds.
.WED...W winds 15 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, becoming N 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...NE winds 5 kt. Seas 1 foot or less. Wave Detail: SW
1 foot at 3 seconds and SE 1 foot at 9 seconds.
.FRI...NE winds 5 kt. Seas 1 foot or less, then around 2 ft in
the afternoon. Wave Detail: SE 1 foot at 9 seconds, becoming NE
1 foot at 2 seconds and SE 1 foot at 9 seconds.
.FRI NIGHT...Variable winds 5 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 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ354-121815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1254 AM EST Wed Nov 12 2025

.REST OF TONIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W
2 ft at 3 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 NE 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 2 seconds and SE 1 foot at 9 seconds.
.FRI...NE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: N 1 foot at 2 seconds and SE
1 foot at 9 seconds, becoming NE 1 foot at 2 seconds and SE
1 foot at 9 seconds.
.FRI NIGHT...SE winds 5 kt, becoming W after midnight. Seas 2 ft.
.SAT...SW 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...W winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ374-121815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1254 AM EST Wed Nov 12 2025

.REST OF TONIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail:
NW 2 ft at 4 seconds and SE 1 foot at 10 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, becoming N 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 to 10 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: NE 1 foot at
2 seconds and SE 1 foot at 9 seconds.
.FRI NIGHT...E winds 5 kt, becoming W after midnight. Seas 2 ft.
.SAT...W winds 5 kt. Seas 2 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...SW winds 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft.

$$