![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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
265 FZUS52 KCHS 040642 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 242 AM EDT Thu Jul 4 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 AMZ300-041900- 242 AM EDT Thu Jul 4 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A hot and humid air mass will build over the region late week into the weekend. A weak cold front could approach the region by early next week. $$ AMZ330-041900- Charleston Harbor- 242 AM EDT Thu Jul 4 2024 .TODAY...E winds 5 kt, becoming SE 10 to 15 kt this afternoon. .TONIGHT...S winds 5 to 10 kt. .FRI...SW winds 5 kt, becoming S 10 to 15 kt in the afternoon. .FRI NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. .SAT...S winds 5 to 10 kt. A chance of showers and tstms in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. A chance of showers and tstms. .SUN...SE winds 5 to 10 kt. A chance of showers and tstms. .SUN NIGHT...S winds 5 to 10 kt. A chance of showers and tstms. .MON...SE winds 5 to 10 kt. A chance of showers and tstms. .MON NIGHT...S winds 5 to 10 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 85 degrees. $$ AMZ350-041900- Waters from South Santee River to Edisto Beach SC out 20 NM- 242 AM EDT Thu Jul 4 2024 .TODAY...E winds 5 kt, becoming SE late. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and SE 2 ft at 9 seconds. .TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SE 3 ft at 12 seconds. .FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 10 seconds. .SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A slight chance of showers and tstms in the afternoon. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds. A chance of showers and tstms. .SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .MON...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-041900- Waters from Edisto Beach SC to Savannah GA out 20 NM- 242 AM EDT Thu Jul 4 2024 .TODAY...E winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 14 seconds. .TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SE 1 foot at 12 seconds. .FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and S 1 foot at 3 seconds. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 1 foot at 3 seconds. A chance of showers and tstms in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 1 foot at 3 seconds. A chance of showers and tstms. .SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .MON...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-041900- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 242 AM EDT Thu Jul 4 2024 .TODAY...NE winds 5 to 10 kt, becoming E late. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 14 seconds. .TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 13 seconds. .FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and E 2 ft at 6 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and S 2 ft at 3 seconds. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 1 foot at 3 seconds. A chance of showers and tstms in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at 3 seconds. A chance of showers and tstms. .SUN...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. .SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .MON...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-041900- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 242 AM EDT Thu Jul 4 2024 .TODAY...NE winds 5 to 10 kt, becoming E late. Seas 3 ft. Wave Detail: NE 2 ft at 7 seconds and SE 2 ft at 8 seconds. .TONIGHT...SE winds 10 kt, becoming S after midnight. Seas 3 ft. Wave Detail: SE 3 ft at 12 seconds and NE 2 ft at 7 seconds. .FRI...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 11 seconds and E 2 ft at 6 seconds. .FRI NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 10 seconds and E 1 foot at 6 seconds. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A slight chance of showers and tstms in the afternoon. .SAT NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 2 ft at 8 seconds. A chance of showers and tstms. .SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...SE winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .MON NIGHT...S winds 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$