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FZUS52 KCHS 101009

CWFCHS



Coastal Waters Forecast

National Weather Service Charleston SC

609 AM EDT Fri May 10 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



AMZ300-102315-

609 AM EDT Fri May 10 2024



.Synopsis for the coastal waters of south coastal South Carolina

and north coastal Georgia...

A cold front will push offshore today. High pressure will prevail

for the weekend into early next week. A storm system could affect

the area by the middle of next week. 



$$



AMZ330-102315-

Charleston Harbor-

609 AM EDT Fri May 10 2024



.TODAY...W winds 5 to 10 kt, becoming SW 10 to 15 kt late. A

chance of showers and tstms late this morning. A chance of

showers with a slight chance of tstms this afternoon. 

.TONIGHT...W winds 10 kt, becoming N after midnight. A chance of

showers with a slight chance of tstms in the evening. 

.SAT...N winds 10 kt, becoming E in the afternoon.

.SAT NIGHT...SW winds 5 to 10 kt. 

.SUN...NW winds 10 kt, becoming SW in the afternoon. 

.SUN NIGHT...SW winds 5 to 10 kt, becoming S after midnight. 

.MON...SE winds 5 to 10 kt. A slight chance of showers and tstms.

.MON NIGHT...S winds 10 to 15 kt. Showers and tstms likely. 

.TUE...S winds 15 kt. Showers and tstms likely. 

.TUE NIGHT...SW winds 15 kt. Showers and tstms likely.  



Winds and waves higher in and near tstms.



Unless otherwise noted, waves 1 foot or less. 



Charleston Harbor water temperature 76 degrees. 



$$



AMZ350-102315-

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

609 AM EDT Fri May 10 2024



.TODAY...W winds 10 to 15 kt with gusts to 20 kt, becoming SW

15 to 20 kt late. Seas 3 to 4 ft. Wave Detail: S 4 ft at

6 seconds and E 1 foot at 11 seconds. A chance of showers and

tstms late this morning. A chance of showers with a slight chance

of tstms this afternoon. 

.TONIGHT...W winds 15 kt, becoming N after midnight. Seas 3 to

4 ft. Wave Detail: SW 4 ft at 6 seconds and E 1 foot at

10 seconds. A chance of showers with a slight chance of tstms in

the evening. 

.SAT...N winds 15 to 20 kt, becoming E 5 to 10 kt in the

afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the

afternoon. Wave Detail: SW 3 ft at 6 seconds and NE 3 ft at

10 seconds, becoming NE 2 ft at 6 seconds and S 1 foot at

6 seconds. 

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

at 6 seconds and SW 1 foot at 5 seconds. 

.SUN...W winds 10 kt, becoming SW in the afternoon. Seas 2 ft.

Wave Detail: W 2 ft at 4 seconds and NE 1 foot at 7 seconds. 

.SUN NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas

2 ft. Wave Detail: SW 1 foot at 5 seconds and E 1 foot at

8 seconds. 

.MON...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers

and tstms. 

.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and

tstms likely. 

.TUE...S winds 15 to 20 kt. Seas 4 to 5 ft. Showers and tstms

likely. 

.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers and

tstms likely.  



Winds and seas higher in and near tstms.



$$



AMZ352-102315-

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

609 AM EDT Fri May 10 2024



.TODAY...W winds 10 to 15 kt with gusts to 20 kt, increasing to

15 to 20 kt late. Seas 3 to 4 ft. Wave Detail: S 3 ft at

6 seconds and E 1 foot at 11 seconds. A chance of tstms this

morning. Showers likely. A slight chance of tstms this afternoon.

.TONIGHT...W winds 10 to 15 kt, becoming N 15 to 20 kt after

midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.

Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 9 seconds,

becoming NW 3 ft at 5 seconds and E 1 foot at 9 seconds. A chance

of showers with a slight chance of tstms in the evening. 

.SAT...N winds 15 to 20 kt, becoming E 5 to 10 kt in the

afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and

NE 3 ft at 9 seconds. 

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

1 foot at 5 seconds and NE 1 foot at 6 seconds. 

.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas

2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at

7 seconds. 

.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW

1 foot at 4 seconds and NE 1 foot at 7 seconds. 

.MON...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and

tstms. 

.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Showers and

tstms likely. 

.TUE...S winds 15 to 20 kt. Seas 4 to 5 ft. Showers and tstms. 

.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers and

tstms likely.  



Winds and seas higher in and near tstms.



$$



AMZ354-102315-

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

Grays Reef National Marine Sanctuary-

609 AM EDT Fri May 10 2024



...SEVERE THUNDERSTORM WATCH 230 IN EFFECT UNTIL NOON EDT TODAY...



.TODAY...W winds 10 to 15 kt with gusts to 20 kt, becoming SW

15 to 20 kt this afternoon. Seas 2 to 3 ft, building to 3 to 4 ft

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

11 seconds, becoming SW 3 ft at 5 seconds and E 1 foot at

11 seconds. Tstms this morning. Showers. Tstms likely this

afternoon. Some tstms may be severe this morning. 

.TONIGHT...W winds 15 kt, becoming N after midnight. Seas 3 to

4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: W 3 ft

at 5 seconds and E 1 foot at 10 seconds, becoming NW 3 ft at

4 seconds and SE 1 foot at 10 seconds. A chance of showers with a

slight chance of tstms in the evening. 

.SAT...N winds 10 to 15 kt with gusts to 20 kt, becoming NE 5 to

10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at

4 seconds and NE 3 ft at 9 seconds. 

.SAT NIGHT...S winds 5 kt, becoming W after midnight. Seas 2 ft.

Wave Detail: NE 2 ft at 6 seconds. 

.SUN...NW winds 10 kt, becoming SW in the afternoon. Seas 2 ft.

Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 7 seconds. 

.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 1 foot

at 2 seconds and NE 1 foot at 7 seconds. 

.MON...SE winds 10 to 15 kt. Seas 2 ft. A chance of showers and

tstms. 

.MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft. Showers and

tstms likely. 

.TUE...S winds 15 kt. Seas 3 to 4 ft. Showers and tstms. 

.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers and

tstms likely.  



Winds and seas higher in and near tstms.



$$



AMZ374-102315-

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

609 AM EDT Fri May 10 2024



...SEVERE THUNDERSTORM WATCH 230 IN EFFECT UNTIL NOON EDT TODAY...



.TODAY...SW winds 10 to 15 kt with gusts to 20 kt, increasing to

15 to 20 kt with gusts to 25 kt this afternoon. Seas 3 to 4 ft,

building to 4 to 5 ft this afternoon. Wave Detail: SW 3 ft at

5 seconds and E 1 foot at 11 seconds, becoming SW 4 ft at

5 seconds and E 1 foot at 10 seconds. Tstms this morning.

Showers. Tstms likely this afternoon. Some tstms may be severe

this morning. 

.TONIGHT...W winds 15 to 20 kt, becoming NW after midnight. Seas

3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at

10 seconds. A chance of showers with a slight chance of tstms in

the evening. 

.SAT...N winds 10 to 15 kt with gusts to 20 kt, becoming NE 5 to

10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in

the afternoon. Wave Detail: NW 3 ft at 4 seconds and E 3 ft at

9 seconds, becoming N 3 ft at 5 seconds. 

.SAT NIGHT...SE winds 5 kt, becoming W after midnight. Seas 2 ft.

Wave Detail: NE 2 ft at 6 seconds. 

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

7 seconds and NW 1 foot at 3 seconds. 

.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft

at 7 seconds and W 1 foot at 3 seconds. 

.MON...SE winds 10 to 15 kt. Seas 2 ft. A chance of showers and

tstms. 

.MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft. Showers and

tstms likely. 

.TUE...S winds 15 to 20 kt. Seas 4 to 5 ft. Showers and tstms. 

.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers and

tstms likely.  



Winds and seas higher in and near tstms.



$$