193
FZUS52 KCHS 231802
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
202 PM EDT Mon Sep 23 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

AMZ300-240715-
202 PM EDT Mon Sep 23 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will linger across the region until mid week. A
tropical cyclone is forecasted to move northward across the Gulf
of Mexico, then track inland across portions of the Southeast
U.S. later this week. Refer to the latest advisory on PTC9 issued
by the National Hurricane Center.

$$

AMZ330-240715-
Charleston Harbor-
202 PM EDT Mon Sep 23 2024

.THIS AFTERNOON...SE winds 10 kt.
.TONIGHT...S winds 5 to 10 kt.
.TUE...S winds 5 to 10 kt.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon.
.WED NIGHT...E winds 10 kt.
.THU...E winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. A slight chance of tstms. A slight
chance of showers in the morning, then a chance of showers in the
afternoon.
.THU NIGHT...Tropical storm conditions possible.
.FRI...S winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
A chance of showers with a slight chance of tstms.
.FRI NIGHT...S winds 10 to 15 kt. A chance of showers with a
slight chance of tstms until early morning, then a chance of
showers late.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 79 degrees.

$$

AMZ350-240715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
202 PM EDT Mon Sep 23 2024

.THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E
2 ft at 9 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 11 seconds and S 2 ft at 4 seconds.
.WED...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and
S 2 ft at 4 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 5 seconds and E 2 ft at 10 seconds.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...S winds 20 to 25 kt with gusts to 35 kt, diminishing to
15 to 20 kt with gusts to 25 kt in the afternoon. Seas 8 to
10 ft, subsiding to 6 to 8 ft in the afternoon. A chance of
showers with a slight chance of tstms.
.FRI NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Seas 5 to 7 ft, subsiding to 4 to 6 ft after midnight.
A chance of showers with a slight chance of tstms until early
morning, then a chance of showers late.

Winds and seas higher in and near tstms.

$$

AMZ352-240715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
202 PM EDT Mon Sep 23 2024

.THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E
2 ft at 9 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 2 ft at 10 seconds.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 4 seconds and E 2 ft at 10 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 5 seconds and E 2 ft at 10 seconds. A slight chance of
showers and tstms after midnight.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...Tropical storm conditions possible.
.FRI NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
A chance of showers with a slight chance of tstms until early
morning, then a chance of showers late.

Winds and seas higher in and near tstms.

$$

AMZ354-240715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
202 PM EDT Mon Sep 23 2024

.THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E
2 ft at 9 seconds.
.TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.TUE NIGHT...SE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and SE 2 ft at 3 seconds.
.WED...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 4 seconds and E 2 ft at 10 seconds.
.WED NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 3 to 4 ft, building to 4 to 5 ft after
midnight. Wave Detail: SE 4 ft at 5 seconds and E 2 ft at
10 seconds. A slight chance of showers and tstms after midnight.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...Tropical storm conditions possible.
.FRI NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
6 ft, subsiding to 3 to 4 ft after midnight. A chance of showers
with a slight chance of tstms until early morning, then a chance
of showers late.

Winds and seas higher in and near tstms.

$$

AMZ374-240715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
202 PM EDT Mon Sep 23 2024

.THIS AFTERNOON...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
10 seconds.
.TUE NIGHT...SE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and SE 2 ft at 3 seconds.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 11 seconds and SE 3 ft at 5 seconds.
.WED NIGHT...SE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 5 ft
at 6 seconds and E 3 ft at 10 seconds. A slight chance of showers
and tstms after midnight.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...S winds 20 to 25 kt with gusts to 35 kt, diminishing to
15 to 20 kt with gusts to 25 kt in the afternoon. Seas 9 to
11 ft, subsiding to 7 to 9 ft in the afternoon. A chance of
showers with a slight chance of tstms.
.FRI NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 5 to
7 ft, subsiding to 4 to 6 ft after midnight. A chance of showers
with a slight chance of tstms until early morning, then a chance
of showers late.

Winds and seas higher in and near tstms.

$$