590
FZUS52 KCHS 130743
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
343 AM EDT Mon May 13 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

AMZ300-132015-
343 AM EDT Mon May 13 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will exit the coast early today with a storm system
approaching from the west. An active weather pattern will start
this afternoon with multiple rounds of showers and thunderstorms
possible through Wednesday.

$$

AMZ330-132015-
Charleston Harbor-
343 AM EDT Mon May 13 2024

.TODAY...SW winds 5 kt, becoming SE this morning, then becoming S
10 kt this afternoon. A chance of showers late.
.TONIGHT...S winds 10 kt. A chance of showers in the evening,
then showers likely with a slight chance of tstms after midnight.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Showers with a
chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt. A chance of tstms. Showers.
.WED...SW winds 10 to 15 kt. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. A chance of showers and tstms
in the evening.
.THU...NW winds 10 kt.
.THU NIGHT...SE winds 5 to 10 kt.
.FRI...S winds 5 to 10 kt. A chance of showers and tstms.
.FRI NIGHT...S winds 10 to 15 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 76 degrees.

$$

AMZ350-132015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
343 AM EDT Mon May 13 2024

.TODAY...SW winds 5 to 10 kt, becoming SE 10 kt this morning.
Seas 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 3
seconds. A slight chance of showers late.
.TONIGHT...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 9 seconds, becoming S 4 ft at
5 seconds and E 1 foot at 9 seconds. A chance of showers in the
evening, then showers likely with a slight chance of tstms after
midnight.
.TUE...S winds 15 to 20 kt. Seas 4 to 5 ft, building to 5 to 6 ft
in the afternoon. Wave Detail: S 5 ft at 6 seconds and E 1 foot
at 9 seconds, becoming S 5 ft at 7 seconds and E 1 foot 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, subsiding to 4 to 6 ft after midnight. Wave Detail: S 6 ft
at 7 seconds and E 1 foot at 9 seconds, becoming S 6 ft at
8 seconds and E 1 foot at 9 seconds. A chance of tstms. Showers.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. Wave Detail: S 6 ft at
8 seconds and E 1 foot at 9 seconds, becoming S 5 ft at
8 seconds. A chance of tstms. Showers likely, mainly in the
morning.
.WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. 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 8 seconds. A
chance of showers and tstms in the evening.
.THU...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ352-132015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
343 AM EDT Mon May 13 2024

.TODAY...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW 1 foot
at 3 seconds and E 1 foot at 8 seconds. A chance of showers late.
.TONIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 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
9 seconds. A chance of showers in the evening, then showers
likely with a slight chance of tstms after midnight.
.TUE...S winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft
at 7 seconds. Showers with a chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. Wave Detail: S 5 ft at 7 seconds. A chance of tstms.
Showers.
.WED...SW winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave
Detail: S 5 ft at 8 seconds. A chance of tstms. Showers likely,
mainly in the morning.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 8 seconds. A slight chance of showers and tstms in the
evening.
.THU...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.FRI...S winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ354-132015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
343 AM EDT Mon May 13 2024

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

Winds and seas higher in and near tstms.

$$

AMZ374-132015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
343 AM EDT Mon May 13 2024

.TODAY...SE winds 5 to 10 kt, increasing to 10 to 15 kt this
afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E
2 ft at 8 seconds. A chance of showers late.
.TONIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
6 ft after midnight. Wave Detail: SE 4 ft at 5 seconds and E 2 ft
at 8 seconds, becoming E 5 ft at 7 seconds. A slight chance of
tstms. Showers likely.
.TUE...S winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: SE 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 5 ft, then 4 to 6 ft
after midnight. Wave Detail: S 5 ft at 7 seconds and E 1 foot at
9 seconds, then Wave Detail: S 5 ft at 7 seconds and E 1 foot at
10 seconds. A chance of tstms. Showers.
.WED...SW winds 15 to 20 kt. Seas 4 to 6 ft, subsiding to 4 to
5 ft in the afternoon. Wave Detail: S 5 ft at 7 seconds and E
1 foot at 9 seconds, becoming S 5 ft at 8 seconds and E 1 foot at
9 seconds. A chance of tstms. Showers, mainly in the morning.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds. A
slight chance of showers and tstms.
.THU...W winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.FRI...S winds 10 kt. Seas 2 ft. A chance of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$