924
FZUS52 KCHS 282324
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
624 PM EST Fri Nov 28 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

AMZ300-291200-
624 PM EST Fri Nov 28 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.

$$

AMZ330-291200-
Charleston Harbor-
624 PM EST Fri Nov 28 2025

.TONIGHT...N winds 5 to 10 kt.
.SAT...NE winds 10 to 15 kt.
.SAT NIGHT...NE winds 5 to 10 kt.
.SUN...NE winds 5 kt, becoming S in the afternoon.
.SUN NIGHT...E winds 5 kt, becoming N after midnight. A slight
chance of showers after midnight.
.MON...NE winds 10 to 15 kt. A slight chance of showers in the
morning.
.MON NIGHT...E winds 10 to 15 kt. 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 10 to 15 kt. Showers with a chance of tstms.
.TUE NIGHT...NW winds 10 kt. Showers.
.WED...NE 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.

$$

AMZ350-291200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
624 PM EST Fri Nov 28 2025

.TONIGHT...N winds 10 to 15 kt, becoming NE with gusts to 20 kt
late. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds.
.SAT...NE winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to
4 ft in the afternoon. Wave Detail: NE 3 ft at 5 seconds and SE
1 foot at 8 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 3 ft at 5 seconds and
SE 1 foot at 8 seconds.
.SUN...E winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and SE 2 ft at
8 seconds.
.SUN NIGHT...NW winds 5 kt, becoming N 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and
NE 1 foot at 5 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 NE 4 ft at 5 seconds and SE 3 ft at
9 seconds. A slight chance of showers.
.MON NIGHT...NE winds 15 to 20 kt, becoming SE after midnight.
Seas 4 to 5 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 4 to 6 ft. Showers with a
chance of tstms.
.TUE NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. 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.

$$

AMZ352-291200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
624 PM EST Fri Nov 28 2025

.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 7 seconds and NW 1 foot at
3 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds and SE 1 foot at 8 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 2 to 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. A slight chance of showers.
.MON NIGHT...NE winds 15 to 20 kt, becoming E after midnight.
Seas 4 to 5 ft. A chance of showers and tstms.
.TUE...SW winds 15 kt. Seas 4 to 6 ft. Showers.
.TUE NIGHT...NW winds 15 kt. Seas 4 to 6 ft. Showers.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 5 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-291200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
624 PM EST Fri Nov 28 2025

.TONIGHT...N winds 10 to 15 kt, becoming NE with gusts to 20 kt
late. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds and SE 1 foot at 8 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
7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft
at 7 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 5 seconds and SE
3 ft at 8 seconds, becoming NE 4 ft at 5 seconds and SE 3 ft at
8 seconds. A slight chance of showers.
.MON NIGHT...NE winds 15 to 20 kt, becoming SE after midnight.
Seas 4 to 5 ft. A chance of showers with a slight chance of
tstms.
.TUE...SW winds 15 kt. Seas 4 to 5 ft. Showers likely 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 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-291200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
624 PM EST Fri Nov 28 2025

.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt, becoming NE
15 to 20 kt late. Seas 3 to 4 ft. Wave Detail: E 4 ft at
7 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds and SE 1 foot at 8 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 4 ft at 6 seconds. A
slight chance of showers and tstms.
.SUN...SE winds 5 to 10 kt, becoming NE in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. A slight chance of
showers.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 7 seconds. A slight chance of showers.
.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. A slight chance of tstms in the afternoon.
.MON NIGHT...E winds 15 to 20 kt, becoming SE after midnight.
Seas 4 to 5 ft. A chance of showers and tstms.
.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. 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.

$$