508
FZUS52 KCHS 100654
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
254 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

AMZ300-101915-
254 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.

$$

AMZ330-101915-
Charleston Harbor-
254 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 77 degrees.

$$

AMZ350-101915-
Waters from South Santee River to Edisto Beach SC out 20 NM-
254 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.

$$

AMZ352-101915-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
254 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.

$$

AMZ354-101915-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
254 AM EDT Fri May 10 2024

.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. A slight chance of showers and tstms early this
morning, then showers with tstms likely late this morning and
early afternoon. A chance of showers with a slight chance of
tstms late.
.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.

$$

AMZ374-101915-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
254 AM EDT Fri May 10 2024

.TODAY...SW winds 10 to 15 kt with gusts to 20 kt, increasing to
15 to 20 kt. 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.
A slight chance of showers and tstms early this morning, then
showers with tstms likely late this morning and early afternoon. A
chance of showers with a slight chance of tstms late.
.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.

$$