620
FZUS52 KCHS 071110
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
709 AM EDT Mon Sep 7 2026

South Santee River SC to Altamaha Sound GA out 60 NM, including
Charleston Harbor and Grays Reef National Marine Sanctuary

AMZ300-080100-
709 AM EDT Mon Sep 7 2026

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will be the primary feature across the eastern
United States through the week.

$$

AMZ340-080100-
Charleston Harbor-
709 AM EDT Mon Sep 7 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM
EDT THIS EVENING...

.TODAY...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
15 to 20 kt with gusts to 25 kt this afternoon. Waves 1 to 2 ft.
A slight chance of showers and tstms this morning, then showers
and tstms likely early this afternoon. A chance of showers and
tstms late.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. A chance of
showers and tstms, mainly in the evening.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
A chance of tstms. A chance of showers.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 kt after
midnight. Waves 1 to 2 ft. A slight chance of tstms in the
evening. A chance of showers.
.WED...E winds 10 to 15 kt. A chance of showers with a slight
chance of tstms.
.WED NIGHT...E winds 5 to 10 kt, becoming S after midnight. A
chance of showers and tstms, mainly in the evening.
.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...SW winds 5 to 10 kt. A chance of showers and tstms.
.FRI NIGHT...SW 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 86 degrees.

$$

AMZ360-080100-
Coastal waters from South Santee River to Edisto Beach SC out
20 NM-
709 AM EDT Mon Sep 7 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.TODAY...NE winds 10 to 15 kt, becoming E 15 to 20 kt late this
morning. Seas 2 to 3 ft, building to 3 to 4 ft this afternoon.
Wave Detail: E 3 ft at 4 seconds and S 1 foot at 5 seconds,
becoming E 4 ft at 5 seconds and E 1 foot at 9 seconds. A chance
of showers and tstms this morning, then showers and tstms likely
this afternoon.
.TONIGHT...E winds 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 6 seconds and SE 1 foot at 9 seconds. A
chance of showers and tstms, mainly in the evening.
.TUE...E winds 20 to 25 kt. Seas 5 to 6 ft. Wave Detail: E 5 ft
at 6 seconds. A chance of tstms. A chance of showers.
.TUE NIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
6 ft, subsiding to 4 to 6 ft after midnight. Wave Detail: E 5 ft
at 8 seconds. A slight chance of tstms in the evening. A chance
of showers.
.WED...E winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 8 seconds. A chance of showers with a slight chance of tstms.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU NIGHT...SW winds 10 to 15 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...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ362-080100-
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM-
709 AM EDT Mon Sep 7 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.TODAY...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
15 to 20 kt with gusts to 25 kt late. Seas 2 to 3 ft, building to
3 to 4 ft this afternoon. Wave Detail: NE 2 ft at 3 seconds and
SE 1 foot at 9 seconds, becoming E 4 ft at 4 seconds and SE
1 foot at 9 seconds. A slight chance of showers and tstms early
this morning, then a chance of showers and tstms late this
morning. Showers and tstms likely this afternoon.
.TONIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: E 4 ft at 5 seconds and SE 1 foot at
9 seconds. A chance of showers and tstms.
.TUE...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 7 seconds. A chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds.
Showers likely. A chance of tstms, mainly in the evening.
.WED...E winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds. A
chance of showers and tstms.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ364-080100-
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm,
including Grays Reef National Marine Sanctuary-
709 AM EDT Mon Sep 7 2026

.TODAY...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt late this morning. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 4 seconds and SE 1 foot at 9 seconds. A slight chance of
showers and tstms early this morning, then a chance of showers
and tstms late this morning and early afternoon. Showers and
tstms likely late.
.TONIGHT...E winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 4 seconds and E 1 foot at 9 seconds. A chance of showers
and tstms.
.TUE...E winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 5 seconds and E 1 foot at 8 seconds. A
chance of tstms. A chance of showers in the morning, then showers
likely in the afternoon.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds.
Showers likely. A chance of tstms, mainly in the evening.
.WED...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
7 seconds. A chance of tstms. Showers likely, mainly in the
morning.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 ft. A chance of showers and
tstms.

Winds and seas higher in and near tstms.

$$

AMZ380-080100-
Waters from South Santee River SC to Edisto Beach SC extending
from 20 to 60 NM-
709 AM EDT Mon Sep 7 2026

.TODAY...NE winds 10 to 15 kt, becoming E 15 to 20 kt late this
morning. Seas 3 to 4 ft, building to 4 to 5 ft this afternoon.
Wave Detail: NE 3 ft at 4 seconds and SE 2 ft at 9 seconds,
becoming E 5 ft at 6 seconds and SE 2 ft at 9 seconds. A chance
of showers and tstms this morning, then showers and tstms likely
early this afternoon. A chance of showers and tstms late.
.TONIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 6 seconds and SE 1 foot at
9 seconds. A chance of showers and tstms.
.TUE...E winds 20 kt with gusts to 25 kt. Seas 5 to 6 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: E 6 ft at
7 seconds. A chance of showers and tstms.
.TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft, subsiding to
5 to 6 ft after midnight. Wave Detail: E 7 ft at 8 seconds,
becoming E 6 ft at 8 seconds. A chance of showers with a slight
chance of tstms.
.WED...E winds 10 to 15 kt. Seas 5 to 6 ft, subsiding to 4 to
5 ft in the afternoon. Wave Detail: E 6 ft at 8 seconds, becoming
E 5 ft at 8 seconds. Showers likely with a chance of tstms.
.WED NIGHT...SE winds 10 kt, becoming S after midnight. Seas 3 to
4 ft. Wave Detail: E 4 ft at 7 seconds. A chance of showers and
tstms, mainly in the evening.
.THU...SW winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.FRI...W winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft. Showers likely with a
chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ382-080100-
Waters from Edisto Beach SC to Savannah GA extending from 20 to
60 NM-
709 AM EDT Mon Sep 7 2026

.TODAY...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
15 to 20 kt late. Seas 2 to 3 ft, building to 3 to 4 ft this
afternoon. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at
9 seconds, becoming NE 4 ft at 5 seconds and SE 2 ft at
9 seconds. A chance of showers and tstms until late afternoon,
then showers and tstms likely late.
.TONIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 6 seconds and SE 2 ft at 9 seconds.
A chance of showers and tstms.
.TUE...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 7 seconds. A chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.TUE NIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 7 seconds. Showers likely. A chance
of tstms, mainly in the evening.
.WED...E winds 10 to 15 kt. Seas 5 to 6 ft, subsiding to 4 to
5 ft in the afternoon. Wave Detail: E 6 ft at 8 seconds, becoming
E 5 ft at 8 seconds. A chance of showers and tstms.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. A chance of showers
and tstms, mainly in the evening.
.THU...SW winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.FRI...W winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft. Showers likely with a
chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ384-080100-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
709 AM EDT Mon Sep 7 2026

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at
4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms
until late afternoon, then showers and tstms likely late.
.TONIGHT...E winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 5 seconds and E 2 ft at 9 seconds. A
chance of showers and tstms.
.TUE...E winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft,
building to 4 to 5 ft in the afternoon. Wave Detail: E 4 ft at
7 seconds. A chance of tstms. A chance of showers in the morning,
then showers likely in the afternoon.
.TUE NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds.
Showers likely with a chance of tstms.
.WED...E winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds. A
chance of showers and tstms.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. A slight chance of
tstms. A chance of showers, mainly in the evening.
.THU...SW winds 5 kt. Seas 3 ft. A chance of showers and tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$