Coastal Waters Forecast
Issued by NWS Charleston, SC

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070
FZUS52 KCHS 190441
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1241 AM EDT Thu Sep 19 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

AMZ300-191715-
1241 AM EDT Thu Sep 19 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Weak high pressure will develop over the region on Thursday. The
area of high pressure is expected to gradually strengthen through
early next week.

$$

AMZ330-191715-
Charleston Harbor-
1241 AM EDT Thu Sep 19 2024

.REST OF TONIGHT...NW winds 5 kt.
.THU...N winds 5 kt, becoming E in the afternoon. A chance of
showers with a slight chance of tstms in the afternoon.
.THU NIGHT...E winds 5 kt, becoming N after midnight. A slight
chance of showers and tstms in the evening.
.FRI...NE winds 5 to 10 kt. A slight chance of showers and tstms
in the afternoon.
.FRI NIGHT...NE winds 5 to 10 kt.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...E winds 5 to 10 kt.
.SUN...NE winds 5 to 10 kt.
.SUN NIGHT...SE winds 5 to 10 kt.
.MON...NE winds 10 kt.
.MON NIGHT...NE winds 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 77 degrees.

$$

AMZ350-191715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1241 AM EDT Thu Sep 19 2024

.REST OF TONIGHT...E winds 5 kt, becoming NW late. Seas 2 to 3
ft. Wave Detail: E 3 ft at 9 seconds.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 11 seconds. A chance of showers
with a slight chance of tstms in the afternoon.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 11 seconds. A slight chance of showers and tstms in the
evening.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at
3 seconds and E 2 ft at 10 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 4 seconds and E 2 ft at 10 seconds.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and E 2 ft at 4 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...NE winds 15 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-191715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1241 AM EDT Thu Sep 19 2024

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

Winds and seas higher in and near tstms.

$$

AMZ354-191715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1241 AM EDT Thu Sep 19 2024

.REST OF TONIGHT...SE winds 5 kt, becoming W late. Seas 2 to 3
ft. Wave Detail: E 3 ft at 9 seconds.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.THU NIGHT...SE winds 5 kt, becoming NW after midnight. Seas
2 ft. Wave Detail: E 2 ft at 11 seconds.
.FRI...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and NE 1 foot at
2 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...NE winds 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

$$

AMZ374-191715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1241 AM EDT Thu Sep 19 2024

.REST OF TONIGHT...S winds 5 kt, becoming W late. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 9 seconds.
.THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
3 to 4 ft. Wave Detail: E 3 ft at 9 seconds.
.THU NIGHT...NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds.
.FRI...N winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
10 seconds and NE 2 ft at 3 seconds.
.FRI NIGHT...NE winds 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
10 seconds.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft, building to 4 to
5 ft in the afternoon. Wave Detail: NE 3 ft at 5 seconds and E
3 ft at 9 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 kt. Seas 3 to 4 ft.
.MON...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.

$$