539
FZUS52 KCHS 302319
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
619 PM 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

AMZ300-011200-
619 PM 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 then returns for the middle to end of this week ahead of
the next frontal system that could impact the area Friday into
the weekend.

$$

AMZ330-011200-
Charleston Harbor-
619 PM EST Sun Nov 30 2025

.TONIGHT...N winds 5 kt, increasing to 5 to 10 kt late.
.MON...NE winds 10 to 15 kt. A slight chance of showers in the
afternoon.
.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 to 15 kt with gusts to 20 kt, becoming W in
the afternoon. 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 10 kt, becoming N after midnight. A slight
chance of showers in the evening.
.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.
.FRI...NE winds 10 kt. A chance of showers.
.FRI NIGHT...S winds 10 to 15 kt. Showers likely.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 60 degrees.

$$

AMZ350-011200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
619 PM EST Sun Nov 30 2025

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


Winds and seas higher in and near tstms.

$$

AMZ352-011200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
619 PM EST Sun Nov 30 2025

.TONIGHT...NE winds 5 to 10 kt, becoming N 10 to 15 kt late. 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 E 4 ft at
8 seconds. A slight chance of showers in the afternoon.
.MON NIGHT...NE winds 15 to 20 kt, becoming E 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...SW winds 15 to 20 kt, becoming W in the afternoon. Seas
4 to 6 ft. Wave Detail: SE 6 ft at 8 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 10 to 15 kt. Seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 5 ft at 8 seconds,
becoming S 3 ft at 7 seconds and E 3 ft at 8 seconds. A slight
chance of showers in the evening.
.WED...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: SE 3 ft at 8 seconds and NE 2 ft at
4 seconds, becoming NE 2 ft at 4 seconds and SE 2 ft at
8 seconds.
.WED NIGHT...N winds 5 kt. Seas 2 to 3 ft.
.THU...NW winds 5 kt. Seas 2 to 3 ft.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds 10 to 15 kt. Seas 3 ft. A chance of showers.
.FRI NIGHT...S winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely.


Winds and seas higher in and near tstms.

$$

AMZ354-011200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
619 PM EST Sun Nov 30 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-011200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
619 PM EST Sun Nov 30 2025

.TONIGHT...NE winds 5 to 10 kt, becoming N 10 to 15 kt late. Seas
3 to 4 ft. Wave Detail: E 4 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 4 ft at 8 seconds. A slight chance of showers
in the afternoon.
.MON NIGHT...E winds 15 to 20 kt, becoming SE after midnight.
Seas 4 to 5 ft, building to 4 to 6 ft after midnight. Wave
Detail: E 4 ft at 7 seconds. A chance of showers with a slight
chance of tstms in the evening, then showers with a chance of
tstms after midnight.
.TUE...SW winds 20 to 25 kt with gusts to 30 kt. Seas 6 to 8 ft.
Wave Detail: E 6 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 5 to 6 ft, subsiding to
4 to 5 ft after midnight. Wave Detail: S 5 ft at 7 seconds and E
4 ft at 8 seconds, becoming SE 4 ft at 8 seconds and NW 3 ft at
4 seconds. A slight chance of showers in the evening.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft
at 4 seconds and SE 3 ft at 8 seconds.
.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 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
.FRI NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$