FZUS52 KCHS 252158
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
558 PM EDT Sun May 25 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
AMZ300-261015-
558 PM EDT Sun May 25 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An active weather pattern will persist throughout this week as a
front lingers nearby and series of disturbances move across the
region. Expect a cold front to sweep through mid-week.
$$
AMZ330-261015-
Charleston Harbor-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt later this
evening, then SW late. A chance of showers and tstms early this
evening, then a slight chance of showers and tstms late this
evening.
.MON...SW winds 5 kt, becoming S in the afternoon. Patchy fog in
the morning. A chance of showers and tstms.
.MON NIGHT...E winds 10 kt. A chance of tstms. Showers likely,
mainly in the evening.
.TUE...E winds 10 to 15 kt. A chance of showers and tstms.
.TUE NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Showers likely with a chance of
tstms.
.WED NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.THU...SW winds 5 to 10 kt. A chance of showers and tstms.
.THU NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.
.FRI...W winds 5 to 10 kt. A chance of showers and tstms.
.FRI NIGHT...W winds 5 to 10 kt. A chance of showers and tstms.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 78 degrees.
$$
AMZ350-261015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt later this
evening, then SW late. Seas 2 ft. Wave Detail: S 2 ft at 4
seconds and E 2 ft at 9 seconds. Showers and tstms likely early
this evening, then a slight chance of showers and tstms late this
evening.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at
9 seconds. A chance of showers and tstms.
.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 4 seconds and S 2 ft at 5 seconds. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.TUE...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and SE 1 foot at 9 seconds. A chance of tstms.
Showers likely, mainly in the morning.
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.WED...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds. Showers likely with a chance of tstms.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.THU...SW winds 10 kt. Seas 2 to 3 ft. Showers likely with a
slight chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
AMZ352-261015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt later this
evening, then SW late. Seas 2 ft. Wave Detail: S 2 ft at 4
seconds and NE 1 foot at 5 seconds. A chance of showers and tstms,
mainly this evening.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and NE 1 foot at
5 seconds. A chance of showers and tstms.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 5 seconds and E 1 foot at 9 seconds. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.TUE...E winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
5 seconds and SE 1 foot at 9 seconds. Showers likely with a
chance of tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 6 seconds. A chance of tstms. Showers likely, mainly in the
evening.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 5 seconds and SE 2 ft at 8 seconds. Showers likely. A slight
chance of tstms in the morning, then a chance of tstms in the
afternoon.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
slight chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
AMZ354-261015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE later this evening,
then SW late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds
and E 1 foot at 7 seconds. A chance of showers and tstms, mainly
this evening.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 1 foot at
5 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.MON NIGHT...SE winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
4 seconds and E 1 foot at 9 seconds. A chance of showers and
tstms.
.TUE...SE winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
5 seconds and E 1 foot at 9 seconds. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 6 seconds. A chance of showers. A chance of tstms, mainly in
the evening.
.WED...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at
8 seconds and NE 1 foot at 5 seconds. A chance of showers with a
slight chance of tstms.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
Winds and seas higher in and near tstms.
$$
AMZ374-261015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE later this evening,
becoming SW late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4
seconds and NE 2 ft at 7 seconds. Showers and tstms likely early
this evening, then a chance of showers and tstms late this
evening. A slight chance of showers and tstms late.
.MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and E 2 ft at 9 seconds. A chance of showers and
tstms, mainly in the morning.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers
and tstms.
.TUE...SE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
5 seconds and SE 2 ft at 9 seconds. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and NE 2 ft at 5 seconds. A chance of showers and
tstms in the evening, then showers likely with a slight chance of
tstms after midnight.
.WED...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds and NE 2 ft at 5 seconds. A slight chance of tstms.
Showers likely, mainly in the morning.
.WED NIGHT...S winds 10 kt. Seas 3 ft. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.FRI...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
558 PM EDT Sun May 25 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
AMZ300-261015-
558 PM EDT Sun May 25 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An active weather pattern will persist throughout this week as a
front lingers nearby and series of disturbances move across the
region. Expect a cold front to sweep through mid-week.
$$
AMZ330-261015-
Charleston Harbor-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt later this
evening, then SW late. A chance of showers and tstms early this
evening, then a slight chance of showers and tstms late this
evening.
.MON...SW winds 5 kt, becoming S in the afternoon. Patchy fog in
the morning. A chance of showers and tstms.
.MON NIGHT...E winds 10 kt. A chance of tstms. Showers likely,
mainly in the evening.
.TUE...E winds 10 to 15 kt. A chance of showers and tstms.
.TUE NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Showers likely with a chance of
tstms.
.WED NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.THU...SW winds 5 to 10 kt. A chance of showers and tstms.
.THU NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.
.FRI...W winds 5 to 10 kt. A chance of showers and tstms.
.FRI NIGHT...W winds 5 to 10 kt. A chance of showers and tstms.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 78 degrees.
$$
AMZ350-261015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt later this
evening, then SW late. Seas 2 ft. Wave Detail: S 2 ft at 4
seconds and E 2 ft at 9 seconds. Showers and tstms likely early
this evening, then a slight chance of showers and tstms late this
evening.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at
9 seconds. A chance of showers and tstms.
.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 4 seconds and S 2 ft at 5 seconds. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.TUE...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and SE 1 foot at 9 seconds. A chance of tstms.
Showers likely, mainly in the morning.
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.WED...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds. Showers likely with a chance of tstms.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.THU...SW winds 10 kt. Seas 2 to 3 ft. Showers likely with a
slight chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
AMZ352-261015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt later this
evening, then SW late. Seas 2 ft. Wave Detail: S 2 ft at 4
seconds and NE 1 foot at 5 seconds. A chance of showers and tstms,
mainly this evening.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and NE 1 foot at
5 seconds. A chance of showers and tstms.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 5 seconds and E 1 foot at 9 seconds. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.TUE...E winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
5 seconds and SE 1 foot at 9 seconds. Showers likely with a
chance of tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 6 seconds. A chance of tstms. Showers likely, mainly in the
evening.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 5 seconds and SE 2 ft at 8 seconds. Showers likely. A slight
chance of tstms in the morning, then a chance of tstms in the
afternoon.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
slight chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$
AMZ354-261015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE later this evening,
then SW late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds
and E 1 foot at 7 seconds. A chance of showers and tstms, mainly
this evening.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 1 foot at
5 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.MON NIGHT...SE winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
4 seconds and E 1 foot at 9 seconds. A chance of showers and
tstms.
.TUE...SE winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
5 seconds and E 1 foot at 9 seconds. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 6 seconds. A chance of showers. A chance of tstms, mainly in
the evening.
.WED...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at
8 seconds and NE 1 foot at 5 seconds. A chance of showers with a
slight chance of tstms.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
Winds and seas higher in and near tstms.
$$
AMZ374-261015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
558 PM EDT Sun May 25 2025
.TONIGHT...E winds 10 to 15 kt, becoming SE later this evening,
becoming SW late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4
seconds and NE 2 ft at 7 seconds. Showers and tstms likely early
this evening, then a chance of showers and tstms late this
evening. A slight chance of showers and tstms late.
.MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and E 2 ft at 9 seconds. A chance of showers and
tstms, mainly in the morning.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers
and tstms.
.TUE...SE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
5 seconds and SE 2 ft at 9 seconds. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and NE 2 ft at 5 seconds. A chance of showers and
tstms in the evening, then showers likely with a slight chance of
tstms after midnight.
.WED...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds and NE 2 ft at 5 seconds. A slight chance of tstms.
Showers likely, mainly in the morning.
.WED NIGHT...S winds 10 kt. Seas 3 ft. A chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.THU NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.FRI...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
Winds and seas higher in and near tstms.
$$