353
FZUS52 KCHS 180218
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1018 PM EDT Tue Sep 17 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

AMZ300-181515-
1018 PM EDT Tue Sep 17 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Low pressure across the Carolinas will weaken through mid week.
High pressure will then develop inland late this week, and
persist into the weekend.

$$

AMZ330-181515-
Charleston Harbor-
1018 PM EDT Tue Sep 17 2024

.REST OF TONIGHT...S winds 5 kt.
.WED...S winds 5 to 10 kt. A slight chance of showers and tstms
in the afternoon.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. A
slight chance of tstms in the evening. A slight chance of
showers.
.THU...NW winds 5 kt, becoming E in the afternoon. A slight
chance of showers.
.THU NIGHT...E winds 5 kt, becoming N after midnight. A slight
chance of tstms in the evening. A slight chance of showers.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt,
diminishing to 5 to 10 kt after midnight.
.SAT...NE winds 10 to 15 kt.
.SAT NIGHT...NE winds 10 to 15 kt.
.SUN...NE winds 10 to 15 kt.
.SUN NIGHT...NE winds 10 to 15 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 77 degrees.

$$

AMZ350-181515-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1018 PM EDT Tue Sep 17 2024

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds and SW 1 foot at 3 seconds.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds and SW 1 foot at 3 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 1 foot at
3 seconds. A slight chance of showers and tstms.
.THU...NW winds 5 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
3 seconds. A slight chance of showers. A slight chance of tstms
in the afternoon.
.THU NIGHT...E winds 5 kt, becoming N after midnight. Seas 2 to
3 ft. Wave Detail: E 2 ft at 11 seconds and S 1 foot at
3 seconds. A slight chance of tstms in the evening. A slight
chance of showers.
.FRI...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...NE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.SUN...NE winds 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 15 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-181515-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1018 PM EDT Tue Sep 17 2024

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds. A slight chance of showers and tstms in the afternoon.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds. A slight chance of showers and tstms.
.THU...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds. A slight chance of showers. A slight chance of tstms
in the afternoon.
.THU NIGHT...E winds 5 kt, becoming N after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds and S 1 foot at
4 seconds. A slight chance of showers.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and S 1 foot at 4 seconds.
.FRI NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.SUN...NE winds 15 kt. Seas 3 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-181515-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1018 PM EDT Tue Sep 17 2024

.REST OF TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds. A slight chance of showers late this evening.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A slight chance of
showers in the morning, then a slight chance of showers and tstms
in the afternoon.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A slight chance of
showers and tstms.
.THU...W winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds.
.THU NIGHT...SE winds 5 kt, becoming N after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds. A slight chance of
showers.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
11 seconds and SE 1 foot at 4 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...NE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-181515-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1018 PM EDT Tue Sep 17 2024

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 10 seconds. A slight chance of showers late
this evening.
.WED...S winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds. A slight chance of showers in the morning, then a
slight chance of showers and tstms in the afternoon.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. A slight chance of
tstms. A slight chance of showers in the evening, then a chance
of showers after midnight.
.THU...W winds 5 to 10 kt, becoming N in the afternoon. Seas 3 to
4 ft. Wave Detail: E 4 ft at 9 seconds. A slight chance of
showers in the morning.
.THU NIGHT...E winds 5 kt, becoming N after midnight. Seas 3 ft.
Wave Detail: E 3 ft at 11 seconds and S 1 foot at 4 seconds. A
slight chance of showers.
.FRI...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at
8 seconds. A slight chance of showers.
.FRI NIGHT...NE winds 10 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT...NE winds 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A slight
chance of showers.
.SUN...NE winds 15 kt. Seas 4 to 5 ft. A slight chance of
showers.
.SUN NIGHT...NE winds 15 kt. Seas 4 to 5 ft. A slight chance of
showers.

Winds and seas higher in and near tstms.

$$