813
FZUS52 KCHS 151100
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
700 AM EDT Wed May 15 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

AMZ300-152315-
700 AM EDT Wed May 15 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will move through late today, followed by high
pressure into Friday. A storm system will affect the area this
weekend, followed by high pressure from the north next week.

$$

AMZ330-152315-
Charleston Harbor-
700 AM EDT Wed May 15 2024

.TODAY...SW winds 10 kt, increasing to 10 to 15 kt with gusts to
20 kt. A slight chance of showers and tstms late.
.TONIGHT...W winds 5 to 10 kt. A slight chance of showers and
tstms in the evening.
.THU...W winds 5 to 10 kt.
.THU NIGHT...SE winds 5 to 10 kt, becoming S after midnight.
.FRI...S winds 5 kt, increasing to 10 kt in the afternoon.
.FRI NIGHT...S winds 10 kt. A slight chance of showers and tstms
in the evening, then a chance of showers and tstms after
midnight.
.SAT...S winds 10 to 15 kt. Showers likely with a chance of
tstms.
.SAT NIGHT...SW winds 15 kt. Showers likely with a chance of
tstms.
.SUN...W winds 15 kt. A chance of showers and tstms.
.SUN NIGHT...NW 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.

$$

AMZ350-152315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
700 AM EDT Wed May 15 2024

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 4
to 5 ft. Wave Detail: S 5 ft at 8 seconds. A slight chance of
showers and tstms this morning. A slight chance of showers and
tstms late.
.TONIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft after midnight. Wave Detail: S 5 ft at 8 seconds, becoming S
4 ft at 7 seconds. A slight chance of showers and tstms in the
evening.
.THU...NW winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 6 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
7 seconds and SW 1 foot at 4 seconds.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 5 seconds and E 1 foot at 8 seconds. A slight chance of
showers and tstms in the evening, then a chance of showers and
tstms after midnight.
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with
a chance of tstms.
.SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-152315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
700 AM EDT Wed May 15 2024

.TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: SE 5 ft at 7 seconds. A slight chance of showers and
tstms this morning.
.TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft after midnight. Wave Detail: S 4 ft at 7 seconds, becoming S
3 ft at 7 seconds.
.THU...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 6 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
7 seconds and SW 1 foot at 3 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 3 seconds and E 2 ft at 7 seconds. A slight chance of
showers and tstms in the evening, then a chance of showers and
tstms after midnight.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with
a chance of tstms.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-152315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
700 AM EDT Wed May 15 2024

.TODAY...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 7 seconds and SW 3 ft at 4 seconds. A slight
chance of showers and tstms this morning.
.TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft after midnight. Wave Detail: SE 4 ft at 7 seconds, becoming
SE 3 ft at 7 seconds and W 1 foot at 2 seconds.
.THU...W winds 10 to 15 kt with gusts to 20 kt, becoming SW 5 to
10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 7 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft in the evening, then
1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot
at 7 seconds.
.FRI...SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SE 1 foot at 7 seconds, becoming
SE 1 foot at 2 seconds and SE 1 foot at 7 seconds.
.FRI NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
3 seconds and SE 1 foot at 7 seconds. A chance of showers and
tstms.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-152315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
700 AM EDT Wed May 15 2024

.TODAY...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: SE
5 ft at 7 seconds and SW 3 ft at 4 seconds. A chance of showers
with a slight chance of tstms this morning, then a slight chance
of showers and tstms early this afternoon.
.TONIGHT...W winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft,
subsiding to 3 to 4 ft after midnight. Wave Detail: S 4 ft at
6 seconds and E 1 foot at 9 seconds, becoming SW 3 ft at
5 seconds and E 1 foot at 9 seconds.
.THU...W winds 10 to 15 kt with gusts to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: W 2 ft at 4 seconds and S
2 ft at 6 seconds.
.THU NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: W 1 foot at
4 seconds and SE 1 foot at 7 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
7 seconds and W 1 foot at 3 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 3 seconds and SE 2 ft at 7 seconds. A slight chance of
showers and tstms in the evening, then a chance of showers and
tstms after midnight.
.SAT...S winds 10 to 15 kt. Seas 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with
a chance of tstms.
.SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$