356
FZUS52 KCHS 201049
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
649 AM EDT Fri Sep 20 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

AMZ300-202330-
649 AM EDT Fri Sep 20 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An area of high pressure is expected to gradually strengthen
across the region through early next week. A weak cold front may
approach from the west around the middle of next week.

$$

AMZ330-202330-
Charleston Harbor-
649 AM EDT Fri Sep 20 2024

.TODAY...NW winds 5 to 10 kt, becoming NE this afternoon. Areas of
fog early this morning.
.TONIGHT...NE winds 5 to 10 kt.
.SAT...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon.
.SAT NIGHT...E winds 5 to 10 kt.
.SUN...NE winds 5 kt, becoming SE in the afternoon.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...E winds 5 to 10 kt.
.MON NIGHT...SE winds 5 to 10 kt.
.TUE...E winds 5 to 10 kt.
.TUE NIGHT...S winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 78 degrees.

$$

AMZ350-202330-
Waters from South Santee River to Edisto Beach SC out 20 NM-
649 AM EDT Fri Sep 20 2024

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

$$

AMZ352-202330-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
649 AM EDT Fri Sep 20 2024

.TODAY...NW winds 5 to 10 kt, becoming NE around 10 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 10 seconds.
.TONIGHT...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...NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft,
building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at
5 seconds and E 2 ft at 10 seconds, becoming E 3 ft at 5 seconds
and E 2 ft at 9 seconds.
.SAT NIGHT...E winds 10 to 15 kt, becoming NE 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and E
2 ft at 9 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds.
.MON...E winds 5 to 10 kt. Seas 2 ft.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SE winds 10 kt. Seas 2 to 3 ft.

$$

AMZ354-202330-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
649 AM EDT Fri Sep 20 2024

.TODAY...NW winds 5 to 10 kt, becoming NE late. Seas 2 ft. Wave
Detail: E 2 ft at 11 seconds and NE 1 foot at 3 seconds.
.TONIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds and E 2 ft at 5 seconds.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft,
building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at
5 seconds and E 2 ft at 10 seconds.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds and E 2 ft at 9 seconds.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and E 3 ft at 9 seconds.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.TUE...E winds 5 to 10 kt. Seas 2 ft.
.TUE NIGHT...SE winds 10 kt. Seas 2 to 3 ft.

$$

AMZ374-202330-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
649 AM EDT Fri Sep 20 2024

.TODAY...NW winds 5 to 10 kt becoming NE. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and NE 2 ft at 3 seconds.
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE
3 ft at 4 seconds and E 3 ft at 10 seconds.
.SAT...NE winds 15 kt with gusts to 20 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 10 seconds, becoming NE 4 ft at 6 seconds
and E 2 ft at 9 seconds.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: NE 4 ft at 6 seconds and E
2 ft at 9 seconds, becoming E 4 ft at 8 seconds.
.SUN...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
10 seconds.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 10 seconds.
.MON...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 10 kt. Seas 3 to 4 ft.

$$