540
FZUS52 KCHS 111859
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
259 PM EDT Sat May 11 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

AMZ300-120715-
259 PM EDT Sat May 11 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail into Monday. A storm system will
affect the area by the middle of the week. Another system could
arrive later in the week.

$$

AMZ330-120715-
Charleston Harbor-
259 PM EDT Sat May 11 2024

.TONIGHT...SE winds 5 to 10 kt early, becoming SW 5 kt later this
evening, then W late.
.SUN...W winds 5 to 10 kt.
.SUN NIGHT...SW winds 5 to 10 kt.
.MON...S winds 5 to 10 kt.
.MON NIGHT...S winds 10 to 15 kt. A slight chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.TUE...S winds 15 kt with gusts to 20 kt. Showers with a chance
of tstms.
.TUE NIGHT...SW winds 15 kt with gusts to 20 kt. A chance of
tstms. Showers.
.WED...SW winds 15 kt. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt.
.THU...W winds 10 kt.
.THU NIGHT...S winds 10 kt. A slight chance of showers.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 76 degrees.

$$

AMZ350-120715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
259 PM EDT Sat May 11 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
1 to 2 ft. Wave Detail: NE 2 ft at 5 seconds and SW 1 foot at
2 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds and W 1 foot at 3 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds and SW 1 foot at 3 seconds.
.MON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 1 foot at
4 seconds and E 1 foot at 8 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and E 1 foot at 9 seconds. A slight chance of
tstms. A chance of showers in the evening, then showers after
midnight.
.TUE...S winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: S 5 ft at 6 seconds and E 1 foot at 9 seconds.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers with a
chance of tstms.
.WED...SW winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers
and tstms.
.WED NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance
of showers and tstms.
.THU...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ352-120715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
259 PM EDT Sat May 11 2024

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

Winds and seas higher in and near tstms.

$$

AMZ354-120715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
259 PM EDT Sat May 11 2024

.TONIGHT...SE winds 5 kt, becoming W after midnight. Seas 1 to
2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at 8
seconds.
.SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at
5 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 1 foot
at 3 seconds and NE 1 foot at 5 seconds.
.MON...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the
afternoon. Wave Detail: S 1 foot at 3 seconds and E 1 foot at
8 seconds, becoming SE 2 ft at 3 seconds and E 2 ft at 8 seconds.
A chance of showers with a slight chance of tstms in the
afternoon.
.MON NIGHT...SE winds 15 to 20 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 4 seconds and E
1 foot at 8 seconds, becoming S 4 ft at 5 seconds and E 1 foot at
8 seconds. A slight chance of tstms. A chance of showers in the
evening, then showers likely after midnight.
.TUE...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 5 seconds and E 1 foot at 9 seconds. Showers
with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. A chance of tstms. Showers.
.WED...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...W winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ374-120715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
259 PM EDT Sat May 11 2024

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

Winds and seas higher in and near tstms.

$$