889
FZUS52 KCHS 031112
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
712 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

AMZ300-040015-
712 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.

$$

AMZ330-040015-
Charleston Harbor-
712 AM EDT Sun Aug 3 2025

.TODAY...NE winds 10 to 15 kt with gusts to 20 kt. A chance of
showers this morning. A chance of tstms. Showers likely this
afternoon.
.TONIGHT...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 86 degrees.

$$

AMZ350-040015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
712 AM EDT Sun Aug 3 2025

.TODAY...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5
ft at 7 seconds. Showers likely with a chance of tstms early this
morning, then a chance of showers with a slight chance of tstms
late this morning. Showers likely with a chance of tstms this
afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...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 9 seconds and SE 1 foot 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. Wave Detail: E
3 ft at 8 seconds and SE 2 ft at 8 seconds. 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.

$$

AMZ352-040015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
712 AM EDT Sun Aug 3 2025

.TODAY...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
with a chance of tstms until late afternoon, then showers and
tstms likely late. Vsby 1 to 3 NM late this morning.
.TONIGHT...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 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. Wave Detail: SE
2 ft at 8 seconds and E 2 ft at 8 seconds. 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.

$$

AMZ354-040015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
712 AM EDT Sun Aug 3 2025

.TODAY...NE winds 10 to 15 kt. Gusts to 20 kt early morning. 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 this afternoon.
.TONIGHT...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 8 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. Showers likely with a chance of tstms.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds and SE 1 foot at 8 seconds. 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.

$$

AMZ374-040015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
712 AM EDT Sun Aug 3 2025

.TODAY...NE winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to
4 ft this 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 early this
afternoon.
.TONIGHT...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 2 ft 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. Wave Detail: E
3 ft at 8 seconds and SE 2 ft at 8 seconds. 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.

$$