Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 221944
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
344 PM EDT Sat Jun 22 2024

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

AMZ300-230815-
344 PM EDT Sat Jun 22 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A weak surface trough will linger near the Georgia coast through
tonight. High pressure will then prevail over the western
Atlantic through next week.

$$

AMZ330-230815-
Charleston Harbor-
344 PM EDT Sat Jun 22 2024

.TONIGHT...S winds 10 kt. A slight chance of tstms. A chance of
showers this evening, then showers likely after midnight.
.SUN...S winds 10 to 15 kt. Showers likely. A slight chance of
tstms in the morning, then a chance of tstms in the afternoon.
.SUN NIGHT...SW winds 15 kt with gusts to 20 kt. A chance of
showers and tstms, mainly in the evening.
.MON...SW winds 10 to 15 kt with gusts to 20 kt. A slight chance
of showers and tstms in the morning, then a chance of showers and
tstms in the afternoon.
.MON NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.TUE...NW winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. A chance of showers and tstms.
.TUE NIGHT...SE winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. A slight chance of showers and tstms.
.WED...S winds 10 to 15 kt. A chance of showers and tstms.
.WED NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.
.THU...SW winds 10 to 15 kt. A chance of showers and tstms.
.THU NIGHT...S 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 83 degrees.

$$

AMZ350-230815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
344 PM EDT Sat Jun 22 2024

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

Winds and seas higher in and near tstms.

$$

AMZ352-230815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
344 PM EDT Sat Jun 22 2024

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

Winds and seas higher in and near tstms.

$$

AMZ354-230815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
344 PM EDT Sat Jun 22 2024

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

Winds and seas higher in and near tstms.

$$

AMZ374-230815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
344 PM EDT Sat Jun 22 2024

.TONIGHT...S winds 15 to 20 kt. Seas 4 ft. Wave Detail: S 4 ft at
5 seconds and SE 4 ft at 8 seconds. A slight chance of tstms. A
chance of showers early this evening, then showers likely late
this evening.
.SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E
3 ft at 8 seconds. A slight chance of tstms. Showers likely,
mainly in the morning.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S
5 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers
and tstms.
.MON...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft,
subsiding to 3 to 4 ft in the afternoon. Wave Detail: SW 4 ft at
5 seconds and E 2 ft at 8 seconds, becoming S 3 ft at 6 seconds.
A chance of showers and tstms, mainly in the morning.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of showers and
tstms.
.TUE...W winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: S 3 ft at 6 seconds, becoming SW 2 ft at
5 seconds and SE 2 ft at 8 seconds. A chance of showers and
tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.WED...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.THU...SW winds 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.

Winds and seas higher in and near tstms.

$$