FZUS52 KCHS 101850
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
250 PM EDT Tue Jun 10 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
AMZ300-110715-
250 PM EDT Tue Jun 10 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will stall over the area Wednesday. High pressure
will prevail late week into the weekend.
$$
AMZ330-110715-
Charleston Harbor-
250 PM EDT Tue Jun 10 2025
.TONIGHT...SW winds 5 to 10 kt. A chance of showers and tstms
until early morning, then a slight chance of showers and tstms
late.
.WED...SW winds 5 kt, becoming S 10 kt in the afternoon. A chance
of showers and tstms in the morning, then showers and tstms
likely in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Showers and tstms likely.
.THU...S winds 5 kt, increasing to 10 kt in the afternoon.
Showers and tstms likely.
.THU NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Showers and tstms likely, mainly in
the evening.
.SAT...S winds 10 to 15 kt. Showers and tstms likely.
.SAT NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 81 degrees.
$$
AMZ350-110715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 6 seconds. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds. A chance of showers and tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 6 seconds. A chance of showers and tstms in the evening,
then showers with tstms likely after midnight.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Tstms likely. Showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
.SUN...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
Winds and seas higher in and near tstms.
$$
AMZ352-110715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: S 3 ft at
6 seconds. A chance of showers and tstms.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A chance of showers. A slight chance of tstms in
the morning, then a chance of tstms in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds. Tstms likely. Showers.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Tstms likely. Showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds. A chance of showers and tstms in the evening,
then showers and tstms likely after midnight.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SUN...SW winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
AMZ354-110715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of tstms
this evening. A chance of showers. A slight chance of tstms after
midnight.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of showers
with a slight chance of tstms in the morning, then showers and
tstms likely in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds. Showers and tstms likely.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 7 seconds. Showers and tstms likely.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms
likely, mainly in the evening.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
AMZ374-110715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
6 seconds. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and
SE 3 ft at 8 seconds. A chance of showers with a slight chance of
tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds. A chance of showers and tstms in the evening,
then showers with tstms likely after midnight.
.THU...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
7 seconds. Tstms likely. Showers.
.THU NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
7 seconds. A chance of showers and tstms in the evening, then
showers and tstms likely after midnight.
.FRI...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 3 ft. A chance of showers and
tstms in the evening, then showers and tstms likely after
midnight.
.SAT...S winds 5 to 10 kt. Seas 3 ft. Showers and tstms likely.
.SAT NIGHT...S winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SUN...S winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
250 PM EDT Tue Jun 10 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
AMZ300-110715-
250 PM EDT Tue Jun 10 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will stall over the area Wednesday. High pressure
will prevail late week into the weekend.
$$
AMZ330-110715-
Charleston Harbor-
250 PM EDT Tue Jun 10 2025
.TONIGHT...SW winds 5 to 10 kt. A chance of showers and tstms
until early morning, then a slight chance of showers and tstms
late.
.WED...SW winds 5 kt, becoming S 10 kt in the afternoon. A chance
of showers and tstms in the morning, then showers and tstms
likely in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Showers and tstms likely.
.THU...S winds 5 kt, increasing to 10 kt in the afternoon.
Showers and tstms likely.
.THU NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Showers and tstms likely, mainly in
the evening.
.SAT...S winds 10 to 15 kt. Showers and tstms likely.
.SAT NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 81 degrees.
$$
AMZ350-110715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 6 seconds. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds. A chance of showers and tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 6 seconds. A chance of showers and tstms in the evening,
then showers with tstms likely after midnight.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Tstms likely. Showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
.SUN...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
Winds and seas higher in and near tstms.
$$
AMZ352-110715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: S 3 ft at
6 seconds. A chance of showers and tstms.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A chance of showers. A slight chance of tstms in
the morning, then a chance of tstms in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds. Tstms likely. Showers.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Tstms likely. Showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds. A chance of showers and tstms in the evening,
then showers and tstms likely after midnight.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SUN...SW winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
AMZ354-110715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of tstms
this evening. A chance of showers. A slight chance of tstms after
midnight.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of showers
with a slight chance of tstms in the morning, then showers and
tstms likely in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds. Showers and tstms likely.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 7 seconds. Showers and tstms likely.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms
likely, mainly in the evening.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
AMZ374-110715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
250 PM EDT Tue Jun 10 2025
.TONIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
6 seconds. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and
SE 3 ft at 8 seconds. A chance of showers with a slight chance of
tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds. A chance of showers and tstms in the evening,
then showers with tstms likely after midnight.
.THU...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
7 seconds. Tstms likely. Showers.
.THU NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
7 seconds. A chance of showers and tstms in the evening, then
showers and tstms likely after midnight.
.FRI...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Seas 3 ft. A chance of showers and
tstms in the evening, then showers and tstms likely after
midnight.
.SAT...S winds 5 to 10 kt. Seas 3 ft. Showers and tstms likely.
.SAT NIGHT...S winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SUN...S winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$