Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 300404
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1204 AM EDT Fri Jul 30 2021

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

AMZ300-301715-
1204 AM EDT Fri Jul 30 2021

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will build over the area into Friday night. A cold
front will then stall over or just north of the area through the
middle of next week.

$$

AMZ330-301715-
Charleston Harbor-
1204 AM EDT Fri Jul 30 2021

.REST OF TONIGHT...SW winds 5 to 10 kt.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
to 25 kt in the afternoon. Waves 1 to 2 ft.
.FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Waves 1 to 2 ft.
.SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. A slight chance of showers and tstms in the afternoon.
.SAT NIGHT...SW winds 10 kt. A chance of showers and tstms.
.SUN...SW winds 10 to 15 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 10 to 15 kt with gusts to 20 kt. A chance
of showers and tstms.
.MON...SW winds 10 to 15 kt. Showers and tstms likely.
.MON NIGHT...SW winds 10 to 15 kt. Showers and tstms.
.TUE...SW winds 10 to 15 kt. Showers and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Showers and tstms likely.

Mariners are reminded that winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 85 degrees.

$$

AMZ350-301715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1204 AM EDT Fri Jul 30 2021

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 2 ft.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. A slight chance of showers and tstms
in the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.SUN NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 4 ft, building to 4 to 5 ft after
midnight. A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.

Mariners are reminded that winds and seas higher in and near tstms.

$$

AMZ352-301715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1204 AM EDT Fri Jul 30 2021

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 1 to 2 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. A slight chance of showers and tstms in
the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.SUN NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely.

Mariners are reminded that winds and seas higher in and near tstms.

$$

AMZ354-301715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1204 AM EDT Fri Jul 30 2021

.REST OF TONIGHT...SW winds 10 kt. Seas 1 to 2 ft.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms in the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms in the afternoon.
.SUN NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and
tstms likely.
.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 2 to 3 ft. A chance of
showers and tstms.

Mariners are reminded that winds and seas higher in and near tstms.

$$

AMZ374-301715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1204 AM EDT Fri Jul 30 2021

.REST OF TONIGHT...SW winds 10 kt. Seas 2 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A slight chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms in the evening, then a chance of
showers and tstms after midnight.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.TUE...SW winds 15 kt. Seas 3 to 4 ft. Showers and tstms likely.
.TUE NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.

Mariners are reminded that winds and seas higher in and near tstms.

$$


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