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
180 FZUS52 KCHS 171918 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 318 PM EDT Thu Apr 17 2025 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 AMZ300-180815- 318 PM EDT Thu Apr 17 2025 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will remain the primary feature through the weekend and into early next week. A front could spread across our region by the middle of next week. $$ AMZ330-180815- Charleston Harbor- 318 PM EDT Thu Apr 17 2025 .TONIGHT...SE winds 10 to 15 kt, becoming S winds 5 to 10 kt late this evening. .FRI...SE winds 5 to 10 kt, becoming S 15 kt with gusts to 20 kt in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. .SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt in the afternoon. .SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. .MON...S winds 10 to 15 kt. .MON NIGHT...S winds 10 to 15 kt. .TUE...SW winds 10 kt. A slight chance of showers and tstms. .TUE NIGHT...S winds 5 to 10 kt. A slight chance of showers. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 69 degrees. $$ AMZ350-180815- Waters from South Santee River to Edisto Beach SC out 20 NM- 318 PM EDT Thu Apr 17 2025 .TONIGHT...SE winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: E 1 foot at 5 seconds and SE 1 foot at 9 seconds, becoming SE 1 foot at 4 seconds and SE 1 foot at 9 seconds. .FRI...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 8 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 8 seconds. .SAT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and SE 1 foot at 8 seconds. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. .SUN...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 3 ft. .MON...S winds 10 kt. Seas 3 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. .TUE...SW winds 10 kt. Seas 3 ft. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers. $$ AMZ352-180815- Waters from Edisto Beach SC to Savannah GA out 20 NM- 318 PM EDT Thu Apr 17 2025 .TONIGHT...SE winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: E 1 foot at 6 seconds and SE 1 foot at 9 seconds, becoming SE 1 foot at 3 seconds and E 1 foot at 6 seconds. .FRI...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 8 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 8 seconds. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 3 ft. .MON...S winds 10 kt. Seas 3 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. .TUE...SW winds 10 kt. Seas 3 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers. $$ AMZ354-180815- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 318 PM EDT Thu Apr 17 2025 .TONIGHT...SE winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: E 1 foot at 5 seconds and SE 1 foot at 8 seconds, becoming SE 1 foot at 2 seconds and E 1 foot at 6 seconds. .FRI...SE winds 10 to 15 kt. Seas 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 9 seconds. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 8 seconds. .SAT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 ft. .MON...S winds 10 kt. Seas 3 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. .TUE...S winds 10 kt. Seas 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. $$ AMZ374-180815- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 318 PM EDT Thu Apr 17 2025 .TONIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 3 seconds and NE 1 foot at 6 seconds. .FRI...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 8 seconds. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .SAT...SE winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SE 2 ft at 5 seconds. .SAT NIGHT...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...S winds 10 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 ft. $$