Coastal Waters Forecast
Issued by NWS Charleston, SC

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071
FZUS52 KCHS 290550
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1249 AM EST Sat Nov 29 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

AMZ300-291800-
1249 AM EST Sat Nov 29 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the weekend. A storm system
should bring some impacts to our area late Monday into Tuesday.
High pressure returns for the middle to end of next week.

$$

AMZ330-291800-
Charleston Harbor-
1249 AM EST Sat Nov 29 2025

.REST OF TONIGHT...NE winds 10 kt.
.SAT...NE winds 10 to 15 kt.
.SAT NIGHT...NE winds 5 to 10 kt.
.SUN...NE winds 5 kt, becoming SW in the afternoon.
.SUN NIGHT...N winds 5 to 10 kt. A slight chance of showers after
midnight.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 10 kt. A slight chance of showers in the
evening, then showers likely with a chance of tstms after
midnight.
.TUE...SW winds 10 to 15 kt. Showers with a slight chance of
tstms.
.TUE NIGHT...NW winds 10 to 15 kt. A slight chance of showers.
.WED...N winds 5 to 10 kt.
.WED NIGHT...N winds 5 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 62 degrees.

$$

AMZ350-291800-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1249 AM EST Sat Nov 29 2025

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 6 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds.
.SAT NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds.
.SUN...E winds 5 to 10 kt, becoming NW in the afternoon. Seas
3 ft. Wave Detail: E 3 ft at 6 seconds.
.SUN NIGHT...N winds 5 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A
slight chance of showers after midnight.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft
at 6 seconds.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. A slight
chance of showers and tstms in the evening, then showers likely
with a chance of tstms after midnight.
.TUE...SW winds 15 to 20 kt. Seas 5 to 7 ft. Showers with a
slight chance of tstms.
.TUE NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. A chance of
showers.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-291800-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1249 AM EST Sat Nov 29 2025

.REST OF TONIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 6 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds.
.SAT NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 5 seconds.
.SUN...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
6 seconds.
.SUN NIGHT...N winds 5 kt, increasing to 10 to 15 kt after
midnight. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.MON...NE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 ft in the afternoon. Wave Detail: NE 4 ft at 7 seconds,
becoming NE 5 ft at 8 seconds.
.MON NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 4 to 5 ft. A slight chance of showers and tstms in
the evening, then showers likely with a chance of tstms after
midnight.
.TUE...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers with a
slight chance of tstms.
.TUE NIGHT...NW winds 15 kt. Seas 4 to 6 ft. A slight chance of
showers.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-291800-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1249 AM EST Sat Nov 29 2025

.REST OF TONIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: NE 3 ft at 6 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds.
.SAT NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 5 seconds.
.SUN...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
6 seconds.
.SUN NIGHT...NE winds 5 kt, becoming N 10 to 15 kt after
midnight. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.MON...NE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 ft in the afternoon. Wave Detail: NE 4 ft at 7 seconds,
becoming NE 5 ft at 6 seconds.
.MON NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance
of showers and tstms in the evening, then a chance of showers and
tstms after midnight.
.TUE...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers with a
slight chance of tstms.
.TUE NIGHT...NW winds 15 kt. Seas 4 to 5 ft. A slight chance of
showers.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-291800-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1249 AM EST Sat Nov 29 2025

.REST OF TONIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: NE 4 ft at 6 seconds.
.SAT...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft
at 5 seconds.
.SAT NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 6 seconds. A
slight chance of tstms. A slight chance of showers.
.SUN...E winds 5 to 10 kt, becoming N in the afternoon. Seas 3 to
4 ft. Wave Detail: E 4 ft at 6 seconds.
.SUN NIGHT...NE winds 5 to 10 kt, becoming N 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. A
slight chance of showers.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft, building to 5 to
6 ft in the afternoon. Wave Detail: NE 5 ft at 8 seconds,
becoming NE 5 ft at 6 seconds. A slight chance of showers in the
afternoon.
.MON NIGHT...NE winds 15 to 20 kt, becoming SE after midnight.
Seas 5 to 6 ft. A chance of showers with a slight chance of tstms
in the evening, then showers likely with a chance of tstms after
midnight.
.TUE...SW winds 15 to 20 kt. Seas 6 to 8 ft. Showers with a
slight chance of tstms.
.TUE NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. A chance of
showers.
.WED...N winds 10 to 15 kt. Seas 4 to 5 ft.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$