872
FZUS52 KCHS 030602
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
202 AM EDT Sun Aug 3 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

AMZ300-031830-
202 AM EDT Sun Aug 3 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will stall nearby and linger in the vicinity into
next week.

$$

AMZ330-031830-
Charleston Harbor-
202 AM EDT Sun Aug 3 2025

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. A
chance of showers and tstms.
.SUN...NE winds 10 to 15 kt with gusts to 20 kt. A chance of
tstms. A chance of showers in the morning, then showers likely in
the afternoon.
.SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Showers likely with a chance of tstms. Vsby 1 to
3 NM after midnight.
.MON...NE winds 10 kt. Showers likely with a chance of tstms.
.MON NIGHT...NE winds 5 to 10 kt. A chance of showers and tstms.
.TUE...NE winds 5 to 10 kt. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.TUE NIGHT...E winds 5 to 10 kt. A chance of tstms. Showers
likely, mainly in the evening.
.WED...NE winds 5 to 10 kt. Showers and tstms likely.
.WED NIGHT...NE winds 5 to 10 kt. Showers likely with a chance of
tstms.
.THU...NE winds 5 to 10 kt. Showers and tstms likely.
.THU NIGHT...NE winds 5 to 10 kt. Showers likely with a chance of
tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 87 degrees.

$$

AMZ350-031830-
Waters from South Santee River to Edisto Beach SC out 20 NM-
202 AM EDT Sun Aug 3 2025

.REST OF TONIGHT...NE winds 15 to 20 kt. A few gusts to 25 kt
possible. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and S
1 foot at 5 seconds. A chance of showers and tstms.
.SUN...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 6 seconds. Showers likely with a chance of
tstms. Vsby 1 to 3 NM in the morning.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds. Showers likely with a chance of tstms. Vsby
1 to 3 NM.
.MON...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 8 seconds. Showers likely with a chance of
tstms.
.MON NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and SE
1 foot at 8 seconds. A chance of tstms. A chance of showers in
the evening, then showers likely after midnight.
.TUE...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds and SE 1 foot at 8 seconds. Showers likely with a
chance of tstms.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.THU...NE winds 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.THU NIGHT...NE winds 10 kt. Seas 3 ft. Showers likely with a
chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-031830-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
202 AM EDT Sun Aug 3 2025

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. A
few gusts to 25 kt possible. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 4 seconds and S 1 foot at 4 seconds. Showers with a chance of
tstms. Vsby 1 to 3 NM.
.SUN...NE winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave
Detail: E 3 ft at 5 seconds and S 1 foot at 4 seconds. Showers
likely. A chance of tstms in the morning, then tstms likely in
the afternoon. Vsby 1 to 3 NM.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds. Showers and tstms likely. Vsby 1 to 3 NM after
midnight.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 8 seconds. Showers. Tstms likely, mainly in the morning.
.MON NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds.
Showers likely with a chance of tstms.
.TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds. Showers likely with a chance of tstms.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
Tstms likely, mainly in the evening.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-031830-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
202 AM EDT Sun Aug 3 2025

.REST OF TONIGHT...NE winds 10 to 15 kt. Seas 2 ft. Wave Detail:
NE 2 ft at 3 seconds and S 1 foot at 4 seconds. Showers with tstms
likely. Vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 4 seconds and S 1 foot at 4 seconds. Showers with tstms
likely. Vsby 1 to 3 NM in the afternoon.
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 5 seconds and SE 1 foot at 8 seconds. Showers with tstms
likely in the evening, then showers likely with a chance of tstms
after midnight with vsby 1 to 3 NM.
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 9 seconds. Showers. A chance of tstms in the morning, then
tstms likely in the afternoon.
.MON NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds.
Showers likely. Tstms likely, mainly in the evening.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds and SE 1 foot at 8 seconds. Showers likely with a
chance of tstms.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
Tstms likely, mainly in the evening.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.THU...NE winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-031830-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
202 AM EDT Sun Aug 3 2025

.REST OF TONIGHT...E winds 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 3 seconds and S 1 foot at 4 seconds. Showers with tstms
likely. Vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to
4 ft in the afternoon. Wave Detail: NE 2 ft at 4 seconds and SE
2 ft at 8 seconds, becoming NE 3 ft at 8 seconds and NE 2 ft at
4 seconds. Showers with tstms likely. Vsby 1 to 3 NM in the
afternoon.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE
4 ft at 9 seconds and SE 1 foot at 8 seconds. Showers with tstms
likely.
.MON...E winds 10 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at
9 seconds and SE 1 foot at 8 seconds. Showers. Tstms likely,
mainly in the morning.
.MON NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 9 seconds and
SE 1 foot at 8 seconds. Showers likely with a chance of tstms.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft
at 9 seconds and SE 2 ft at 8 seconds. Showers likely with a
chance of tstms.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Showers likely
with a chance of tstms.
.WED...NE winds 5 to 10 kt. Seas 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...E winds 5 to 10 kt. Seas 3 ft. Showers with a chance
of tstms.
.THU...NE winds 5 to 10 kt. Seas 3 ft. Showers with a chance of
tstms.
.THU NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Showers with a
chance of tstms.

Winds and seas higher in and near tstms.

$$