FZUS52 KCHS 261448

CWFCHS



Coastal Waters Forecast

National Weather Service Charleston SC

1048 AM EDT Thu Jun 26 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



AMZ300-270315-

1048 AM EDT Thu Jun 26 2025



.Synopsis for the coastal waters of south coastal South Carolina

and north coastal Georgia...

A hot and humid air mass will remain across the region into early

next week. A slow moving cold front may push over the region by

the middle of next week. 



$$



AMZ330-270315-

Charleston Harbor-

1048 AM EDT Thu Jun 26 2025



.REST OF TODAY...W winds 5 to 10 kt, becoming S 10 to 15 kt this

afternoon. 

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after

midnight. 

.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the

afternoon. A slight chance of showers and tstms in the afternoon.

.FRI NIGHT...SW winds 10 kt. A slight chance of showers and

tstms. 

.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the

afternoon. A slight chance of showers and tstms in the morning,

then a chance of showers and tstms in the afternoon. 

.SAT NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms. 

.SUN...SW winds 10 to 15 kt. A chance of showers and tstms. 

.SUN NIGHT...SW winds 10 to 15 kt. A slight chance of showers and

tstms. 

.MON...SW winds 10 to 15 kt. A chance of showers and tstms. 

.MON NIGHT...SW winds 10 to 15 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 84 degrees. 



$$



AMZ350-270315-

Waters from South Santee River to Edisto Beach SC out 20 NM-

1048 AM EDT Thu Jun 26 2025



.REST OF TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt

late. Seas 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at

8 seconds. 

.TONIGHT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft

at 4 seconds and SE 2 ft at 9 seconds. 

.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft

at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers

and tstms. 

.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:

SE 3 ft at 9 seconds and SW 2 ft at 5 seconds. A chance of

showers and tstms. 

.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the

afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A

chance of showers and tstms. 

.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:

SE 3 ft at 9 seconds. A chance of showers and tstms. 

.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of

showers and tstms. 

.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers

and tstms. 

.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers

and tstms. 

.MON NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers

and tstms.  



Winds and seas higher in and near tstms.



$$



AMZ352-270315-

Waters from Edisto Beach SC to Savannah GA out 20 NM-

1048 AM EDT Thu Jun 26 2025



.REST OF TODAY...SW winds 5 kt, becoming S late. Seas 2 ft. Wave

Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. 

.TONIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at

4 seconds and SE 2 ft at 9 seconds. 

.FRI...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at

5 seconds and SE 2 ft at 9 seconds. A slight chance of showers

and tstms. 

.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft

at 9 seconds and S 2 ft at 5 seconds. A chance of showers and

tstms. 

.SAT...W winds 5 to 10 kt, becoming SW in the afternoon. Seas

2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers

and tstms. 

.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE

3 ft at 8 seconds. A chance of showers and tstms. 

.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers

and tstms. 

.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of

showers and tstms. 

.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers

and tstms. 

.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of

showers and tstms.  



Winds and seas higher in and near tstms.



$$



AMZ354-270315-

Waters from Savannah GA to Altamaha Sound GA out 20 NM, including

Grays Reef National Marine Sanctuary-

1048 AM EDT Thu Jun 26 2025



.REST OF TODAY...SW winds 5 to 10 kt, becoming SE this afternoon.

Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at

9 seconds. A slight chance of showers and tstms early this

afternoon. 

.TONIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at

4 seconds and SE 2 ft at 9 seconds. 

.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at

4 seconds and SE 2 ft at 9 seconds. A slight chance of showers

and tstms in the morning, then a chance of showers and tstms in

the afternoon. 

.FRI NIGHT...S winds 10 to 15 kt, becoming SW after midnight.

Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of

showers and tstms. 

.SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas

2 ft. Wave Detail: SE 2 ft at 9 seconds. A chance of showers and

tstms. 

.SAT NIGHT...S winds 10 to 15 kt, becoming W after midnight. Seas

2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at

4 seconds. A chance of showers and tstms. 

.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers

and tstms. 

.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of

showers and tstms. 

.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers

and tstms. 

.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of

showers and tstms.  



Winds and seas higher in and near tstms.



$$



AMZ374-270315-

Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-

1048 AM EDT Thu Jun 26 2025



.REST OF TODAY...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW

2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of

showers and tstms late this morning. 

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S

2 ft at 3 seconds and SE 2 ft at 9 seconds. A slight chance of

showers and tstms after midnight. 

.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft

at 9 seconds and S 2 ft at 5 seconds. A slight chance of showers

and tstms in the morning, then a chance of showers and tstms in

the afternoon. 

.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft

at 9 seconds. A chance of showers and tstms. 

.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft

at 8 seconds. A chance of showers and tstms. 

.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft

at 9 seconds and SW 2 ft at 3 seconds. A chance of showers and

tstms. 

.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers

and tstms. 

.SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. A chance of showers

and tstms. 

.MON...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and

tstms. 

.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of

showers and tstms.  



Winds and seas higher in and near tstms.



$$

