983
FZUS52 KCHS 211054
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
654 AM EDT Tue May 21 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

AMZ300-212315-
654 AM EDT Tue May 21 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will persist for most of this week. Diurnal
convection is expected during the weekend.

$$

AMZ330-212315-
Charleston Harbor-
654 AM EDT Tue May 21 2024

.TODAY...N winds 5 to 10 kt, becoming E 10 to 15 kt late.
.TONIGHT...E winds 5 to 10 kt.
.WED...NE winds 5 kt, becoming SE in the afternoon.
.WED NIGHT...S winds 5 to 10 kt.
.THU...SW winds 5 kt, becoming S 10 to 15 kt in the afternoon.
.THU NIGHT...S winds 10 kt.
.FRI...SW winds 10 to 15 kt.
.FRI NIGHT...S winds 10 to 15 kt.
.SAT...SW winds 10 to 15 kt. A slight chance of showers and
tstms.
.SAT NIGHT...SW winds 10 to 15 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 75 degrees.

$$

AMZ350-212315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
654 AM EDT Tue May 21 2024

.TODAY...NE winds 10 to 15 kt, gusts up to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds and SE 1 foot at 10 seconds.
.WED...NE winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: E 2 ft
at 9 seconds and S 1 foot at 3 seconds.
.FRI...SW winds 10 to 15 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.SAT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.SAT 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.

$$

AMZ352-212315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
654 AM EDT Tue May 21 2024

.TODAY...NE winds 10 to 15 kt, gusts up to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds and SE 1 foot at 10 seconds.
.WED...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 7 seconds and SE 1 foot at 10 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and S 1 foot at 3 seconds.
.FRI...SW winds 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...SW winds 10 kt. Seas 2 ft. A slight chance of showers and
tstms.
.SAT NIGHT...S 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.

$$

AMZ354-212315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
654 AM EDT Tue May 21 2024

.TODAY...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds.
.WED...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 7 seconds and SE 1 foot at 10 seconds.
.THU...S winds 5 kt, increasing to 10 to 15 kt in the afternoon.
Seas 2 ft. Wave Detail: E 2 ft at 8 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 ft.
.FRI...S winds 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SAT NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-212315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
654 AM EDT Tue May 21 2024

.TODAY...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NE
5 ft at 8 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds and SE 1 foot at 10 seconds.
.WED...NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds and SE 1 foot at 10 seconds. A slight chance of showers
in the morning.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at
10 seconds.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
8 seconds and SE 1 foot at 10 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 9 seconds.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...SW winds 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$