131
FZUS52 KCHS 191021
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
621 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

AMZ300-192330-
621 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.

$$

AMZ330-192330-
Charleston Harbor-
621 AM EDT Thu Sep 19 2024

.TODAY...N winds 5 to 10 kt, becoming E late. A slight chance of
showers this afternoon.
.TONIGHT...E winds 5 kt, becoming N after midnight. A slight
chance of showers in the evening.
.FRI...N winds 5 to 10 kt, becoming NE in the afternoon.
.FRI NIGHT...NE winds 5 to 10 kt.
.SAT...NE winds 10 kt.
.SAT NIGHT...E winds 5 to 10 kt.
.SUN...NE winds 5 to 10 kt.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...E winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 77 degrees.

$$

AMZ350-192330-
Waters from South Santee River to Edisto Beach SC out 20 NM-
621 AM EDT Thu Sep 19 2024

.TODAY...NE winds 5 to 10 kt, becoming E late. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 10 seconds.
.TONIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
11 seconds.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds and NE 2 ft at 3 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 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 9 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds.
.SUN...NE winds 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SE winds 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.

$$

AMZ352-192330-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
621 AM EDT Thu Sep 19 2024

.TODAY...N winds 5 to 10 kt, becoming NE this afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.TONIGHT...E winds 5 kt, becoming NW after midnight. Seas 2 ft.
Wave Detail: E 2 ft at 11 seconds.
.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 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and E 2 ft at 5 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds.
.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 kt. Seas 2 to 3 ft.
.MON NIGHT...E winds 10 kt. Seas 3 ft.

$$

AMZ354-192330-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
621 AM EDT Thu Sep 19 2024

.TODAY...N winds 5 to 10 kt, becoming E late. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 9 seconds.
.TONIGHT...SE winds 5 kt, becoming NW after midnight. Seas 2 ft.
Wave Detail: E 2 ft at 11 seconds.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 11 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 and E 2 ft at 4 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and E 2 ft at 5 seconds.
.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 kt. Seas 2 to 3 ft.
.MON NIGHT...E winds 10 kt. Seas 3 to 4 ft.

$$

AMZ374-192330-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
621 AM EDT Thu Sep 19 2024

.TODAY...NW winds 5 to 10 kt, becoming N this afternoon. Seas
3 to 4 ft. Wave Detail: E 3 ft at 9 seconds.
.TONIGHT...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 and NE 2 ft at 3 seconds.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: NE 3 ft at 5 seconds and E 3 ft at 9 seconds.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight. Wave Detail: E 4 ft at 9 seconds and E
3 ft at 5 seconds, becoming E 4 ft at 9 seconds.
.SUN...NE winds 10 to 15 kt. Seas 4 to 5 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...E winds 10 to 15 kt. Seas 4 to 5 ft.

$$