Coastal Waters Forecast
Issued by NWS Charleston, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS52 KCHS 251337
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
937 AM EDT Thu Apr 25 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

AMZ300-260245-
937 AM EDT Thu Apr 25 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A weak trough will drop south of the area today. High pressure
builds back into the region late week through the early part of
next week.

$$

AMZ330-260245-
Charleston Harbor-
937 AM EDT Thu Apr 25 2024

.REST OF TODAY...NW winds 5 to 10 kt, becoming E 10 to 15 kt with
gusts to 20 kt this afternoon.
.TONIGHT...E winds 10 to 15 kt.
.FRI...E winds 10 to 15 kt with gusts to 20 kt.
.FRI NIGHT...E winds 10 to 15 kt.
.SAT...E winds 10 to 15 kt.
.SAT NIGHT...E winds 10 kt.
.SUN...SE winds 10 to 15 kt.
.SUN NIGHT...SE winds 5 to 10 kt.
.MON...SE winds 5 to 10 kt.
.MON NIGHT...S winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 69 degrees.

$$

AMZ350-260245-
Waters from South Santee River to Edisto Beach SC out 20 NM-
937 AM EDT Thu Apr 25 2024

.REST OF TODAY...NW winds 5 to 10 kt, veering E 10 to 15 kt. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 11
seconds.
.TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
3 ft at 4 seconds and E 2 ft at 11 seconds.
.FRI...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and E 3 ft at 4 seconds.
.FRI NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E
4 ft at 6 seconds.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 7 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds.
.SUN...SE winds 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

$$

AMZ352-260245-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
937 AM EDT Thu Apr 25 2024

.REST OF TODAY...W winds 5 to 10 kt, becoming NE early this
afternoon, then becoming E late. Seas 2 to 3 ft. Wave Detail: E 3
ft at 10 seconds and S 2 ft at 4 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
4 seconds and E 2 ft at 11 seconds.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft
in the afternoon. Wave Detail: E 3 ft at 4 seconds and E 2 ft at
10 seconds, becoming E 3 ft at 4 seconds and E 3 ft at
10 seconds.
.FRI NIGHT...E winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 9 seconds and E 3 ft at 4 seconds.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 7 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds.
.SUN...SE winds 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft.
.MON...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

$$

AMZ354-260245-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
937 AM EDT Thu Apr 25 2024

.REST OF TODAY...W winds 5 to 10 kt, becoming SE late this
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and S
2 ft at 4 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
11 seconds and S 1 ft at 4 seconds.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 4 seconds and E 2 ft at 11 seconds.
.FRI NIGHT...E winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 10 seconds and E 3 ft at 4 seconds.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 6 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds.
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds 10 kt. Seas 3 to 4 ft.
.MON...SE winds 10 kt. Seas 2 to 3 ft.
.MON NIGHT...SE winds 10 kt. Seas 2 to 3 ft.

$$

AMZ374-260245-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
937 AM EDT Thu Apr 25 2024

.REST OF TODAY...W winds 5 to 10 kt, becoming E late. Seas 3 to
4 ft. Wave Detail: E 3 ft at 11 seconds and SW 2 ft at 4 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 11 seconds and S 1 ft at 4 seconds.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft
in the afternoon. Wave Detail: E 3 ft at 10 seconds and E 2 ft at
4 seconds.
.FRI NIGHT...E winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft,
building to 4 to 6 ft after midnight. Wave Detail: E 4 ft at
5 seconds, becoming E 5 ft at 6 seconds.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 4 to
5 ft in the afternoon. Wave Detail: E 5 ft at 7 seconds.
.SAT NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 7 seconds.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds 10 kt. Seas 4 to 5 ft.
.MON...SE winds 10 kt. Seas 3 to 4 ft.
.MON NIGHT...SE winds 10 kt. Seas 3 to 4 ft.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.