814
FZUS52 KCHS 050532
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
132 AM EDT Fri Sep 5 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

AMZ300-051815-
132 AM EDT Fri Sep 5 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across our area through late this week.
A cold front will move through from the northwest late Sunday,
then stall offshore through the middle of next week.

$$

AMZ330-051815-
Charleston Harbor-
132 AM EDT Fri Sep 5 2025

.REST OF TONIGHT...S winds 5 kt.
.FRI...Light and variable winds, becoming SE 5 to 10 kt in the
afternoon.
.FRI NIGHT...SE winds 5 to 10 kt, becoming E after midnight.
.SAT...NE winds 5 kt, becoming SE 10 kt in the afternoon.
.SAT NIGHT...S winds 5 kt.
.SUN...NW winds 5 kt, becoming E 10 kt in the afternoon. A chance
of showers and tstms in the afternoon.
.SUN NIGHT...E winds 5 kt, becoming N after midnight. A chance of
showers and tstms.
.MON...NE winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers
and tstms.
.MON NIGHT...NE winds 15 to 20 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.TUE...NE winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers
and tstms.
.TUE NIGHT...NE winds 10 to 15 kt. A chance of showers with a
slight chance of tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 80 degrees.

$$

AMZ350-051815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
132 AM EDT Fri Sep 5 2025

.REST OF TONIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds.
.FRI...N winds 5 kt, becoming E in the afternoon. Seas 2 ft. Wave
Detail: E 2 ft at 8 seconds.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds and E 1 foot at 2 seconds.
.SAT...N winds 5 kt, becoming E in the afternoon. Seas 2 ft. Wave
Detail: E 2 ft at 8 seconds.
.SAT NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 ft. Wave Detail: SE 2 ft at 7 seconds.
.SUN...NW winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: SE 2 ft at 7 seconds. A slight chance of showers and
tstms in the afternoon.
.SUN NIGHT...E winds 5 to 10 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of showers and tstms.
.MON...NE winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers
and tstms.
.MON NIGHT...NE winds 20 to 25 kt. Seas 5 to 7 ft. A chance of
showers and tstms.
.TUE...NE winds 20 to 25 kt. Seas 5 to 7 ft. A chance of showers
and tstms.
.TUE NIGHT...NE winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-051815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
132 AM EDT Fri Sep 5 2025

.REST OF TONIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds.
.FRI...NE winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 8 seconds.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds.
.SAT...N winds 5 kt, becoming E in the afternoon. Seas 2 ft. Wave
Detail: E 2 ft at 8 seconds.
.SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 2 ft. Wave Detail: E 2 ft at 7 seconds.
.SUN...NW winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 7 seconds. A slight chance of showers and
tstms.
.SUN NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft. A chance of
showers and tstms.
.MON...NE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.MON NIGHT...NE winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
showers and tstms.
.TUE...NE winds 20 to 25 kt. Seas 5 to 6 ft. A chance of showers
and tstms.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-051815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
132 AM EDT Fri Sep 5 2025

.REST OF TONIGHT...SE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds.
.FRI...NE winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 8 seconds.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds.
.SAT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds.
.SUN...NW winds 5 kt, becoming NE in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 7 seconds. A slight chance of showers. A
slight chance of tstms in the afternoon.
.SUN NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after
midnight. Seas 2 ft. A chance of showers and tstms.
.MON...NE winds 20 to 25 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.MON NIGHT...NE winds 20 to 25 kt. Seas 5 to 6 ft. A chance of
showers and tstms.
.TUE...NE winds 20 to 25 kt. Seas 5 to 6 ft. A chance of showers
and tstms.
.TUE NIGHT...NE winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-051815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
132 AM EDT Fri Sep 5 2025

.REST OF TONIGHT...SE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds.
.FRI...NE winds 5 kt, increasing to 5 to 10 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds.
.SAT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds. A slight chance of tstms in the morning. A slight
chance of showers.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds. A slight chance of
showers and tstms after midnight.
.SUN...NW winds 5 kt, becoming NE in the afternoon. Seas 2 ft.
Wave Detail: SE 2 ft at 6 seconds. A chance of showers with a
slight chance of tstms.
.SUN NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft. A chance of
showers and tstms.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely with
a chance of tstms.
.MON NIGHT...NE winds 20 to 25 kt. Seas 5 to 6 ft. Showers likely
with a chance of tstms.
.TUE...NE winds 20 to 25 kt. Seas 6 to 7 ft. Showers likely with
a chance of tstms.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$