068
FZUS52 KCHS 051926
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
325 PM EDT Tue Aug 5 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

AMZ300-060800-
325 PM EDT Tue Aug 5 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A front will linger near or just south of the area this week,
while high pressure remains centered well to the north. Low
pressure could develop off the Southeast U.S. coast on Thursday
and persist into the weekend.

$$

AMZ330-060800-
Charleston Harbor-
325 PM EDT Tue Aug 5 2025

.TONIGHT...E winds 5 to 10 kt. Tstms likely this evening. Showers
likely. A chance of tstms after midnight.
.WED...NE winds 5 to 10 kt. Showers likely. A chance of tstms in
the morning, then tstms likely in the afternoon.
.WED NIGHT...NE winds 5 to 10 kt. Showers likely. Tstms likely,
mainly in the evening.
.THU...NE winds 5 to 10 kt. Showers likely with a chance of tstms
in the morning, then showers with tstms likely in the afternoon.
.THU NIGHT...NE winds 5 to 10 kt. A chance of tstms. Showers.
.FRI...NE winds 10 to 15 kt. Showers likely with a chance of
tstms in the morning, then showers with tstms likely in the
afternoon.
.FRI NIGHT...NE winds 10 kt. A chance of tstms. Showers.
.SAT...NE winds 10 kt. Showers likely with a chance of tstms.
.SAT NIGHT...E winds 5 to 10 kt. Showers likely with a chance of
tstms.
.SUN...E winds 5 to 10 kt. Showers likely with a chance of tstms.
.SUN NIGHT...SE winds 5 to 10 kt. A chance of showers and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 85 degrees.

$$

AMZ350-060800-
Waters from South Santee River to Edisto Beach SC out 20 NM-
325 PM EDT Tue Aug 5 2025

.TONIGHT...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. A chance of showers
and tstms this evening, then showers and tstms likely after
midnight.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 8 seconds and SE 2 ft at 8 seconds. Showers and tstms likely.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds and SE 2 ft at 8 seconds. Showers. Tstms
likely, mainly in the evening.
.THU...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds. Showers. A chance of tstms in the morning, then
tstms likely in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft
at 8 seconds and SE 2 ft at 7 seconds. Showers likely with a
chance of tstms.
.FRI...NE winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at
6 seconds. Showers likely with a chance of tstms in the morning,
then showers with tstms likely in the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 ft. A chance of tstms.
Showers.
.SAT...NE winds 10 to 15 kt. Seas 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.SUN...E winds 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-060800-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
325 PM EDT Tue Aug 5 2025

.TONIGHT...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. Tstms likely this
evening. Showers likely. A chance of tstms after midnight.
.WED...NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds
and SE 1 foot at 8 seconds. Showers likely. A chance of tstms in
the morning, then tstms likely in the afternoon.
.WED 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. Tstms
likely, mainly in the evening.
.THU...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
8 seconds and SE 1 foot at 8 seconds. Showers. A chance of tstms
in the morning, then tstms likely in the afternoon.
.THU NIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 8 seconds. Showers. Tstms likely, mainly in the evening.
.FRI...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds. Showers. A chance of tstms in the morning, then
tstms likely in the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.
.SAT...NE winds 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.SUN...E winds 5 to 10 kt. Seas 2 ft. Showers likely with a
chance of tstms.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Showers likely with
a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-060800-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
325 PM EDT Tue Aug 5 2025

.TONIGHT...SE winds 5 to 10 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 8 seconds. A
chance of tstms. Showers likely, mainly this evening.
.WED...N winds 5 kt, becoming NE in the afternoon. Seas 2 to
3 ft. Wave Detail: E 2 ft at 8 seconds and SE 2 ft at 8 seconds.
A chance of showers and tstms in the morning, then showers and
tstms likely in the afternoon.
.WED NIGHT...NE 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 and tstms
likely in the evening, then showers with a chance of tstms after
midnight with vsby 1 to 3 NM.
.THU...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
8 seconds and SE 1 foot at 8 seconds. Showers. A chance of tstms
in the morning, then tstms likely in the afternoon.
.THU NIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 8 seconds and SE 1 foot at 7 seconds. Showers. Tstms likely,
mainly in the evening.
.FRI...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds. Showers. A chance of tstms in the morning, then
tstms likely in the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
tstms. Showers.
.SAT...NE winds 10 kt. Seas 2 to 3 ft. Showers with a chance of
tstms.
.SAT NIGHT...E winds 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SUN...E winds 5 to 10 kt. Seas 2 ft. Showers likely with a
chance of tstms.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Showers likely with
a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-060800-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
325 PM EDT Tue Aug 5 2025

.TONIGHT...SE winds 5 to 10 kt, becoming SW late. Seas 3 to 4 ft.
Wave Detail: NE 3 ft at 8 seconds and SE 2 ft at 8 seconds. A
chance of tstms. A chance of showers until early morning, then
showers likely late.
.WED...N winds 5 kt. Seas 3 ft. Wave Detail: E 3 ft at 8 seconds
and SE 2 ft at 8 seconds. A chance of tstms. Showers likely,
mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds and SE 2 ft at 8 seconds. A chance of tstms.
Showers.
.THU...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 2 ft at
8 seconds and SE 2 ft at 8 seconds. Showers with a chance of
tstms.
.THU NIGHT...NE winds 10 kt. Seas 3 ft. Wave Detail: NE 3 ft at
8 seconds and SE 1 foot at 7 seconds. Showers with a chance of
tstms.
.FRI...NE winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 3 ft at
8 seconds and SE 1 foot at 7 seconds. Showers with a chance of
tstms.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 ft. A chance of tstms.
Showers.
.SAT...NE winds 10 kt. Seas 3 ft. Showers with a chance of tstms.
.SAT NIGHT...E winds 10 kt. Seas 3 ft. Showers with a chance of
tstms.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a chance
of tstms.
.SUN NIGHT...SE 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.

$$