841
FZUS52 KCHS 011132
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
732 AM EDT Mon Sep 1 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

AMZ300-020030-
732 AM EDT Mon Sep 1 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the area through late week. A
cold front will approach from the northwest late in the weekend.

$$

AMZ330-020030-
Charleston Harbor-
732 AM EDT Mon Sep 1 2025

.TODAY...NE winds 10 to 15 kt with gusts to 20 kt.
.TONIGHT...NE winds 10 to 15 kt.
.TUE...NE winds 10 to 15 kt. A slight chance of showers and tstms
in the afternoon.
.TUE NIGHT...NE winds 5 to 10 kt. A slight chance of showers and
tstms in the evening.
.WED...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. A slight chance of showers and tstms in the afternoon.
.WED NIGHT...E winds 10 to 15 kt, diminishing to 5 kt after
midnight. A slight chance of showers and tstms in the evening.
.THU...E winds 10 to 15 kt. A slight chance of showers and tstms.
.THU NIGHT...S winds 10 to 15 kt.
.FRI...SW winds 10 to 15 kt.
.FRI NIGHT...S winds 5 to 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 80 degrees.

$$

AMZ350-020030-
Waters from South Santee River to Edisto Beach SC out 20 NM-
732 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...NE winds 20 to 25 kt with gusts 30 kt, diminishing to 15
to 20 kt this afternoon. Seas 5 to 7 ft, subsiding to 5 to 6 ft
this afternoon. Wave Detail: E 6 ft at 8 seconds.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
6 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: E 6 ft
at 8 seconds, becoming E 5 ft at 8 seconds. A slight chance of
showers and tstms after midnight.
.TUE...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 8 seconds. A slight chance of showers and tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 4 ft at 7 seconds,
becoming E 4 ft at 8 seconds. A slight chance of showers and
tstms.
.WED...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds. A slight chance of showers and tstms.
.WED NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds. A
slight chance of showers and tstms.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-020030-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
732 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6
ft, building to 5 to 6 ft this afternoon. Wave Detail: E 6 ft at 6
seconds, becoming E 6 ft at 8 seconds.
.TONIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft, subsiding to
4 to 5 ft after midnight. Wave Detail: E 5 ft at 8 seconds.
.TUE...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 8 seconds. A slight chance of showers and tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds. A slight chance of showers and tstms.
.WED...NE winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at
8 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A chance of showers and tstms, mainly in the
evening.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-020030-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
732 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...NE winds 20 to 25 kt. Seas 5 to 7 ft, subsiding to 5 to
6 ft this afternoon. Wave Detail: NE 5 ft at 6 seconds, becoming
NE 6 ft at 7 seconds. A slight chance of showers and tstms late.
.TONIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E
6 ft at 8 seconds. A slight chance of showers and tstms in the
evening.
.TUE...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 8 seconds. A slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 8 seconds,
becoming E 4 ft at 7 seconds. A chance of showers and tstms,
mainly in the evening.
.WED...NE winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at
7 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.WED NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 ft. Wave Detail: E 3 ft at 8 seconds. A chance
of showers and tstms, mainly in the evening.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.FRI...W winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-020030-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
732 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.TODAY...NE winds 20 to 25 kt with gusts to 30 kt. Seas 6 to
7 ft, building to 6 to 8 ft this afternoon. Wave Detail: NE 7 ft
at 7 seconds, becoming NE 7 ft at 8 seconds. A slight chance of
tstms.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 6 to
7 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: NE 7 ft
at 8 seconds, becoming NE 6 ft at 8 seconds. A slight chance of
showers and tstms.
.TUE...NE winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NE 6 ft
at 8 seconds. A chance of showers and tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 5 ft at 7 seconds. A chance of showers and tstms.
.WED...NE winds 10 kt. Seas 4 ft. Wave Detail: E 4 ft at
8 seconds. A chance of showers and tstms.
.WED NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds. A chance of showers and tstms.
.THU...NE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers and tstms.
.FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.

Winds and seas higher in and near tstms.

$$