140
FZUS52 KCHS 140940
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
539 AM EDT Fri Aug 14 2026

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

AMZ300-142300-
539 AM EDT Fri Aug 14 2026

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
The combination of strong high pressure over the northern Gulf
and surface troughing over the Southeast U.S. will yield a
typical summertime wind pattern over our coastal waters into next
week, along with generally low seas.

$$

AMZ340-142300-
Charleston Harbor-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 5 to 10 kt, becoming S late. A slight chance of
showers and tstms this afternoon.
.TONIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms in the evening.
.SAT...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. A chance of showers. A chance
of tstms, mainly in the evening.
.SUN...W winds 5 kt, becoming S in the afternoon. A slight chance
of showers and tstms in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms in the evening.
.MON...SW winds 5 to 10 kt.
.MON NIGHT...SW winds 5 to 10 kt.
.TUE...SW winds 5 to 10 kt. A slight chance of showers and tstms.
.TUE NIGHT...SW winds 5 to 10 kt. A slight 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.

$$

AMZ360-142300-
Coastal waters from South Santee River to Edisto Beach SC out
20 NM-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt late. Seas 2 ft. Wave Detail: SW 2 ft at 4 seconds
and SE 1 foot at 7 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW
3 ft at 4 seconds and SE 1 foot at 8 seconds.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of
showers. A chance of tstms, mainly in the evening.
.SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW 2 ft
at 5 seconds and SE 2 ft at 8 seconds.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.TUE NIGHT...SW 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.

$$

AMZ362-142300-
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas
2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
7 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 7 seconds.
.SAT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 7 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 8 seconds. A slight chance of
showers and tstms in the evening.
.SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds and S 1 foot at 5 seconds.
.MON...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW 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.

$$

AMZ364-142300-
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm,
including Grays Reef National Marine Sanctuary-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas
2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at
7 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 7 seconds.
.SAT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 7 seconds.
.SAT NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 7 seconds.
.SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds.
.MON...SW winds 5 to 10 kt. Seas 2 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.TUE NIGHT...SW 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.

$$

AMZ380-142300-
Waters from South Santee River SC to Edisto Beach SC extending
from 20 to 60 NM-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: SW 2 ft at
4 seconds and SE 1 foot at 8 seconds.
.TONIGHT...SW winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft.
Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds.
.SAT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 3 ft at
5 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW
3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers
and tstms in the evening, then a chance of showers with a slight
chance of tstms after midnight.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning.
.SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
.MON...SW winds 10 kt. Seas 3 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
.TUE...W winds 10 to 15 kt. Seas 3 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ382-142300-
Waters from Edisto Beach SC to Savannah GA extending from 20 to
60 NM-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: SW 2 ft at
4 seconds and SE 1 foot at 7 seconds.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at
8 seconds.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of
showers and tstms.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and SW 2 ft at 4 seconds.
.MON...SW winds 10 kt. Seas 3 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...W winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ384-142300-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
539 AM EDT Fri Aug 14 2026

.TODAY...SW winds 5 to 10 kt, becoming S late. Seas 2 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 1 foot at 7 seconds.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 1 foot at 7 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and SW 2 ft at 4 seconds.
.MON...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$