FZUS52 KCHS 262200
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
600 PM EDT Thu Jun 26 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
AMZ300-271015-
600 PM EDT Thu Jun 26 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the region through early next
week. A slow moving cold front may push over the area by the
middle of next week.
$$
AMZ330-271015-
Charleston Harbor-
600 PM EDT Thu Jun 26 2025
.TONIGHT...SW winds 10 to 15 kt, becoming SW 5 to 10 kt.
.FRI...S winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms.
.SAT...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.
.SUN...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.SUN NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.MON...S winds 10 to 15 kt. A chance of showers and tstms.
.MON NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.
.TUE...SW winds 10 to 15 kt. A chance of showers and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Showers and tstms likely.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 87 degrees.
$$
AMZ350-271015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
600 PM EDT Thu Jun 26 2025
.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt late. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
9 seconds.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds. A slight chance of showers and tstms in the
evening, then a chance of showers and tstms after midnight.
.SAT...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds. A chance of showers and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and S 2 ft at 3 seconds. A chance of showers and
tstms, mainly in the morning.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.MON...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers and
tstms likely.
Winds and seas higher in and near tstms.
$$
AMZ352-271015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
600 PM EDT Thu Jun 26 2025
.TONIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 2
to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9
seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds. A chance of showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 1 foot at
5 seconds. A chance of showers and tstms.
.SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.TUE...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
AMZ354-271015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
600 PM EDT Thu Jun 26 2025
.TONIGHT...SE winds 10 kt, becoming SW 5 to 10 late. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms in the afternoon.
.FRI NIGHT...S winds 10 kt, becoming SW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of showers and
tstms.
.SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and
tstms.
.SAT NIGHT...S winds 10 kt, becoming SW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds.
A chance of showers and tstms.
.SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds.
A chance of showers and tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
AMZ374-271015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
600 PM EDT Thu Jun 26 2025
.TONIGHT...S winds 5 to 10 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and S 2 ft at 4 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds. A chance of showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and S 2 ft at 3 seconds. A chance of showers and tstms.
.SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 2 ft at
4 seconds. A chance of showers and tstms.
.SUN NIGHT...SW winds 10 kt. Seas 3 ft. A chance of showers and
tstms.
.MON...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
Winds and seas higher in and near tstms.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
600 PM EDT Thu Jun 26 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
AMZ300-271015-
600 PM EDT Thu Jun 26 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the region through early next
week. A slow moving cold front may push over the area by the
middle of next week.
$$
AMZ330-271015-
Charleston Harbor-
600 PM EDT Thu Jun 26 2025
.TONIGHT...SW winds 10 to 15 kt, becoming SW 5 to 10 kt.
.FRI...S winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms.
.SAT...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.
.SUN...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.SUN NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.MON...S winds 10 to 15 kt. A chance of showers and tstms.
.MON NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.
.TUE...SW winds 10 to 15 kt. A chance of showers and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Showers and tstms likely.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 87 degrees.
$$
AMZ350-271015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
600 PM EDT Thu Jun 26 2025
.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt late. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
9 seconds.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds. A slight chance of showers and tstms in the
evening, then a chance of showers and tstms after midnight.
.SAT...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds. A chance of showers and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and S 2 ft at 3 seconds. A chance of showers and
tstms, mainly in the morning.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.MON...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers and
tstms likely.
Winds and seas higher in and near tstms.
$$
AMZ352-271015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
600 PM EDT Thu Jun 26 2025
.TONIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 2
to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9
seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds. A chance of showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 1 foot at
5 seconds. A chance of showers and tstms.
.SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.TUE...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
AMZ354-271015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
600 PM EDT Thu Jun 26 2025
.TONIGHT...SE winds 10 kt, becoming SW 5 to 10 late. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms in the afternoon.
.FRI NIGHT...S winds 10 kt, becoming SW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of showers and
tstms.
.SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and
tstms.
.SAT NIGHT...S winds 10 kt, becoming SW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds.
A chance of showers and tstms.
.SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds.
A chance of showers and tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.
Winds and seas higher in and near tstms.
$$
AMZ374-271015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
600 PM EDT Thu Jun 26 2025
.TONIGHT...S winds 5 to 10 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and S 2 ft at 4 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds. A chance of showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and S 2 ft at 3 seconds. A chance of showers and tstms.
.SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 2 ft at
4 seconds. A chance of showers and tstms.
.SUN NIGHT...SW winds 10 kt. Seas 3 ft. A chance of showers and
tstms.
.MON...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
Winds and seas higher in and near tstms.
$$