468
FZUS52 KCHS 091323
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
923 AM EDT Thu May 9 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

AMZ300-100215-
923 AM EDT Thu May 9 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will approach the area tonight, then move offshore
Friday. High pressure will prevail for the weekend into early
next week. A storm system could affect the area by the middle of
next week.

$$

AMZ330-100215-
Charleston Harbor-
923 AM EDT Thu May 9 2024

.REST OF TODAY...SW winds 10 to 15 kt. A slight chance of showers
and tstms early this afternoon. Showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt. Showers and tstms likely in the
evening.
.FRI...SW winds 10 to 15 kt. A chance of showers and tstms.
.FRI NIGHT...W winds 10 to 15 kt, becoming N after midnight. A
chance of showers and tstms in the evening.
.SAT...N winds 5 to 10 kt.
.SAT NIGHT...W winds 5 to 10 kt.
.SUN...NW winds 5 to 10 kt.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...S winds 5 to 10 kt.
.MON NIGHT...SE winds 10 kt. A chance of showers with a slight
chance of tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 77 degrees.

$$

AMZ350-100215-
Waters from South Santee River to Edisto Beach SC out 20 NM-
923 AM EDT Thu May 9 2024

.REST OF TODAY...SW winds 15 to 20 kt. Seas 3 to 4 ft, building
to 4 to 5 ft this afternoon. Wave Detail: S 4 ft at 6 seconds and
E 1 foot at 11 seconds. A chance of showers and tstms late.
.TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight.
Wave Detail: SW 4 ft at 6 seconds and E 1 foot at 11 seconds.
Showers and tstms likely in the evening.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 7 seconds and E 1 foot at 11 seconds. A chance of showers and
tstms.
.FRI NIGHT...W winds 15 to 20 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. A chance of showers
and tstms.
.SAT...N winds 15 to 20 kt with gusts to 25 kt, becoming NW 5 to
10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in
the afternoon. Wave Detail: W 4 ft at 6 seconds and NE 2 ft at
8 seconds, becoming NE 2 ft at 5 seconds and SW 2 ft at
6 seconds.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 6 seconds and W 2 ft at 6 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.MON...S winds 10 to 15 kt. Seas 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-100215-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
923 AM EDT Thu May 9 2024

.REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at
10 seconds. Showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 6 seconds and E 1 foot at 11 seconds. Showers and tstms
likely in the evening.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and E
1 foot at 11 seconds. A chance of showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt, becoming NW after midnight.
Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave
Detail: SW 3 ft at 6 seconds, becoming NW 4 ft at 6 seconds and E
1 foot at 7 seconds. A chance of showers and tstms, mainly in the
evening.
.SAT...N winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to
10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at
5 seconds and NE 2 ft at 9 seconds.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: W 1 foot
at 5 seconds and NE 1 foot at 6 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.MON...S winds 10 kt. Seas 2 ft.
.MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-100215-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
923 AM EDT Thu May 9 2024

.REST OF TODAY...SW winds 10 to 15 kt, becoming S with gusts to
20 kt late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and
E 1 foot at 10 seconds. Showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to
2 to 3 ft after midnight. Wave Detail: S 3 ft at 5 seconds and E
1 foot at 11 seconds, becoming S 3 ft at 6 seconds and E 1 foot
at 11 seconds. Showers and tstms in the evening.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E
1 foot at 11 seconds. A chance of tstms. A chance of showers in
the morning, then showers likely in the afternoon.
.FRI NIGHT...W winds 15 to 20 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at
11 seconds. A chance of showers and tstms, mainly 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
5 seconds and E 2 ft at 10 seconds.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 1 foot
at 6 seconds and NE 1 foot at 6 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.MON...SE winds 10 to 15 kt. Seas 2 ft. A slight chance of
showers and tstms.
.MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-100215-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
923 AM EDT Thu May 9 2024

.REST OF TODAY...SW winds 10 to 15 kt, becoming S with gusts to
20 kt late. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and
E 2 ft at 11 seconds. A chance of showers and tstms late.
.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E
2 ft at 11 seconds. Showers and tstms likely, mainly in the
evening.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and
E 1 foot at 11 seconds. A chance of tstms. A chance of showers in
the morning, then showers likely in the afternoon.
.FRI NIGHT...W winds 15 to 20 kt, becoming NW after midnight.
Seas 3 to 4 ft, building to 4 to 5 ft after midnight. Wave
Detail: SW 4 ft at 5 seconds and E 1 foot at 11 seconds, becoming
W 4 ft at 5 seconds and E 1 foot at 10 seconds. A chance of
showers and tstms.
.SAT...N winds 10 to 15 kt with gusts to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: NW 3 ft at 4 seconds and E
2 ft at 10 seconds, becoming N 3 ft at 6 seconds and NE 2 ft at
10 seconds.
.SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: N 2 ft at 6 seconds and S 1 foot at
6 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.MON...SE winds 10 to 15 kt. Seas 2 ft. A slight chance of
showers and tstms.
.MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 5 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$