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CWFCHS



Coastal Waters Forecast

National Weather Service Charleston SC

354 AM EDT Fri May 17 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



AMZ300-172030-

354 AM EDT Fri May 17 2024



.Synopsis for the coastal waters of south coastal South Carolina

and north coastal Georgia...

A storm system will bring impacts to our area this weekend. High

pressure returns to our region next week. 



$$



AMZ330-172030-

Charleston Harbor-

354 AM EDT Fri May 17 2024



.TODAY...S winds 5 kt, increasing to 10 kt in the afternoon. 

.TONIGHT...S winds 5 to 10 kt. A chance of showers and tstms. 

.SAT...SW winds 10 kt. A chance of showers and tstms in the

morning, then showers with tstms likely in the afternoon. 

.SAT NIGHT...SW winds 5 to 10 kt. Showers with tstms likely in

the evening, then showers likely with a chance of tstms after

midnight. 

.SUN...W winds 5 to 10 kt. A chance of tstms. A chance of showers

in the morning, then showers likely in the afternoon. 

.SUN NIGHT...N winds 5 to 10 kt. A chance of tstms. Showers

likely, mainly in the evening. 

.MON...N winds 10 to 15 kt. A chance of showers with a slight

chance of tstms. 

.MON NIGHT...N winds 10 to 15 kt. 

.TUE...NE winds 10 kt. 

.TUE NIGHT...NE winds 5 to 10 kt.  



Winds and waves higher in and near tstms.



Unless otherwise noted, waves 1 foot or less. 



Charleston Harbor water temperature 76 degrees. 



$$



AMZ350-172030-

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

354 AM EDT Fri May 17 2024



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

6 seconds. 

.TONIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after

midnight. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E

1 foot at 9 seconds. A chance of showers and tstms. 

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

at 5 seconds and E 1 foot at 9 seconds. A chance of showers and

tstms in the morning, then showers with tstms likely in the

afternoon. 

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

3 ft at 5 seconds and E 1 foot at 8 seconds. Showers with tstms

likely in the evening, then showers likely with a chance of tstms

after midnight. 

.SUN...W winds 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft in

the afternoon. Wave Detail: S 3 ft at 5 seconds and E 1 foot at

7 seconds, becoming S 3 ft at 5 seconds and E 1 foot at

8 seconds. A chance of tstms. A chance of showers in the morning,

then showers likely in the afternoon. 

.SUN NIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt after

midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and N

2 ft at 3 seconds. A chance of tstms. Showers likely, mainly in

the evening. 

.MON...N winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers

with a slight chance of tstms. 

.MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance

of showers. 

.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of

showers. 

.TUE NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. 



Winds and seas higher in and near tstms.



$$



AMZ352-172030-

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

354 AM EDT Fri May 17 2024



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

5 seconds. 

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

5 seconds and SE 1 foot at 8 seconds. A chance of showers and

tstms. 

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

at 5 seconds and E 1 foot at 9 seconds. A chance of showers and

tstms in the morning, then showers with tstms likely in the

afternoon. 

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

at 5 seconds and E 1 foot at 9 seconds. Showers with tstms likely

in the evening, then showers likely with a chance of tstms after

midnight. 

.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at

5 seconds and E 1 foot at 7 seconds. A chance of tstms. A chance

of showers in the morning, then showers likely in the afternoon. 

.SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt with

gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to

4 ft after midnight. Wave Detail: S 2 ft at 5 seconds and E

1 foot at 8 seconds, becoming NW 2 ft at 3 seconds and S 2 ft at

5 seconds. A chance of tstms. Showers likely, mainly in the

evening. 

.MON...N winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers

with a slight chance of tstms. 

.MON NIGHT...N winds 10 kt. Seas 3 to 4 ft. A slight chance of

showers. 

.TUE...NE winds 10 to 15 kt. Seas 2 to 3 ft. 

.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.  



Winds and seas higher in and near tstms.



$$



AMZ354-172030-

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

Grays Reef National Marine Sanctuary-

354 AM EDT Fri May 17 2024



.TODAY...S winds 5 to 10 kt, becoming SE late. Seas 1 foot or

less, then 1 to 2 ft this afternoon. Wave Detail: S 1 foot at 4 

seconds. 

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

at 4 seconds and E 1 foot at 8 seconds. A slight chance of

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

tstms after midnight. 

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

afternoon. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E

1 foot at 9 seconds. A slight chance of showers and tstms in the

morning, then showers and tstms likely in the afternoon. 

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

2 ft at 5 seconds and E 1 foot at 9 seconds. Showers with tstms

likely in the evening, then showers likely with a chance of tstms

after midnight. 

.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at

5 seconds and E 1 foot at 9 seconds. A chance of tstms. A chance

of showers in the morning, then showers likely in the afternoon. 

.SUN NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with

gusts to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW

2 ft at 3 seconds and S 2 ft at 5 seconds. A chance of tstms.

Showers likely, mainly in the evening. 

.MON...N winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers

with a slight chance of tstms. 

.MON NIGHT...N winds 10 kt. Seas 2 to 3 ft. 

.TUE...NE winds 10 to 15 kt. Seas 2 to 3 ft. 

.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. 



Winds and seas higher in and near tstms.



$$



AMZ374-172030-

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

354 AM EDT Fri May 17 2024



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

5 seconds and E 1 foot at 8 seconds. 

.TONIGHT...SE winds 10 kt, becoming S with gusts to 20 kt after

midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE

1 foot at 8 seconds. A slight chance of showers and tstms. 

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

at 5 seconds and E 1 foot at 8 seconds. A slight chance of

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

tstms in the afternoon. 

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

3 ft at 4 seconds and E 2 ft at 8 seconds. Showers with tstms

likely in the evening, then showers likely with a chance of tstms

after midnight. 

.SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft

at 5 seconds and E 2 ft at 8 seconds. Showers likely with a

chance of tstms. 

.SUN NIGHT...W winds 5 to 10 kt, becoming N 10 to 15 kt with

gusts to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: W

2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of tstms.

Showers likely, mainly in the evening. 

.MON...N winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers

with a slight chance of tstms. 

.MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance

of showers. 

.TUE...N winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of

showers. 

.TUE NIGHT...E winds 10 kt. Seas 4 to 5 ft. A slight chance of

showers.  



Winds and seas higher in and near tstms.



$$