226
FZUS52 KCHS 300529
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1229 AM EST Sun Nov 30 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

AMZ300-301800-
1229 AM EST Sun Nov 30 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail into Monday, and then a storm system
will pass through the region late Monday into late Tuesday. High
pressure returns for the middle to end of next week.

$$

AMZ330-301800-
Charleston Harbor-
1229 AM EST Sun Nov 30 2025

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

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 61 degrees.

$$

AMZ350-301800-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1229 AM EST Sun Nov 30 2025

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

Winds and seas higher in and near tstms.

$$

AMZ352-301800-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1229 AM EST Sun Nov 30 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-301800-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1229 AM EST Sun Nov 30 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-301800-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1229 AM EST Sun Nov 30 2025

.REST OF TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Wave
Detail: E 4 ft at 6 seconds.
.SUN...E winds 5 to 10 kt, becoming NE in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt, becoming N 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft
at 5 seconds and SE 3 ft at 8 seconds. A slight chance of
showers.
.MON NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds. A
chance of showers in the evening, then showers likely with a
chance of tstms after midnight.
.TUE...SW winds 20 to 25 kt, becoming W in the afternoon. Seas
5 to 7 ft, building to 6 to 8 ft in the afternoon. Wave Detail:
SE 6 ft at 8 seconds and NE 3 ft at 7 seconds, becoming S 6 ft at
7 seconds and NE 2 ft at 7 seconds. Showers with a chance of
tstms in the morning, then a chance of showers with a slight
chance of tstms in the afternoon.
.TUE NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft, subsiding to
4 to 5 ft after midnight.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 5 to 10 kt. Seas 3 ft.
.THU...NW winds 10 kt. Seas 3 to 4 ft.
.THU NIGHT...N winds 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$