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000
FZUS52 KCHS 210704
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
304 AM EDT Sun Apr 21 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

AMZ300-211930-
304 AM EDT Sun Apr 21 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An area of low pressure and associated front will push through
the area and offshore today. High pressure will then return to
the region and prevail through much of the week.

$$

AMZ330-211930-
Charleston Harbor-
304 AM EDT Sun Apr 21 2024

.TODAY...NE winds 5 to 10 kt, becoming N 10 to 15 kt with gusts
to 20 kt. A slight chance of showers and tstms this morning, then
showers and tstms likely this afternoon.
.TONIGHT...N winds 15 kt with gusts to 20 kt. Showers, mainly in
the evening.
.MON...N winds 10 to 15 kt with gusts to 20 kt. A slight chance
of showers.
.MON NIGHT...N winds 10 kt.
.TUE...NE winds 10 kt, becoming E in the afternoon.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight.
.WED...SW winds 5 to 10 kt.
.WED NIGHT...SW winds 10 kt.
.THU...NE winds 10 kt.
.THU NIGHT...E winds 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 70 degrees.

$$

AMZ350-211930-
Waters from South Santee River to Edisto Beach SC out 20 NM-
304 AM EDT Sun Apr 21 2024

.TODAY...N winds 5 to 10 kt, becoming NW early this afternoon,
then becoming N 15 to 20 kt late. Seas 2 to 3 ft. Wave Detail: S
2 ft at 5 seconds and E 2 ft at 9 seconds. A slight chance of
showers early this morning. A slight chance of showers and tstms
early this afternoon, then showers and tstms likely late.
.TONIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 ft. Wave Detail: NE 4 ft at 8 seconds and S 2 ft at 5 seconds,
becoming NE 4 ft at 5 seconds and S 2 ft at 5 seconds. Showers
with a slight chance of tstms in the evening, then a slight chance
of showers after midnight.
.MON...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft.
Wave Detail: NE 5 ft at 6 seconds and S 1 ft at 6 seconds. A
slight chance of showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft. Wave Detail: E 5 ft at 9 seconds, becoming E 4 ft at 9
seconds.
.TUE...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...SE winds 5 kt, becoming S after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds.
.WED...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-211930-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
304 AM EDT Sun Apr 21 2024

.TODAY...W winds 5 to 10 kt, becoming NW 15 to 20 kt late. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at
9 seconds. A chance of showers and tstms early this afternoon.
Showers and tstms late.
.TONIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: W 3
ft at 5 seconds and NE 3 ft at 9 seconds. Showers and tstms in the
evening, then a slight chance of showers after midnight.
.MON...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: NE 5 ft at 7 seconds and S 1 ft at 4 seconds. A
slight chance of showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds.
.TUE...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds.
.TUE NIGHT...SE winds 5 kt, becoming S after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.THU...NE winds 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-211930-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
304 AM EDT Sun Apr 21 2024

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. A
slight chance of showers and tstms early this afternoon. Showers
and tstms likely late.
.TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft. Wave Detail: NW
3 ft at 4 seconds and E 3 ft at 9 seconds, becoming N 4 ft at 5
seconds and S 1 ft at 5 seconds. Showers and tstms in the evening,
then a slight chance of showers after midnight.
.MON...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: NE 5 ft at 5 seconds. A slight chance of showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft. Wave Detail: NE 5 ft at 7 seconds, becoming NE 4 ft at
8 seconds.
.TUE...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 kt. Seas 2 ft.
.THU...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds 10 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-211930-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
304 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW
3 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers
and tstms late.
.TONIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 ft. Wave Detail: NW 3 ft at 4 seconds and E 2 ft at 9 seconds,
becoming N 4 ft at 9 seconds and S 3 ft at 5 seconds. Showers and
tstms likely in the evening, then a chance of showers after
midnight.
.MON...N winds 20 to 25 kt. Seas 5 to 7 ft, building to 6 to 7 ft.
Wave Detail: NE 6 ft at 6 seconds, becoming NE 7 ft at 7 seconds.
A slight chance of showers.
.MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 5 to 7 ft. Wave Detail: NE 7 ft at
8 seconds.
.TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 4 to
5 ft. Wave Detail: NE 6 ft at 9 seconds, becoming E 5 ft at 9
seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
4 to 5 ft, subsiding to 3 to 4 ft. Wave Detail: E 5 ft at 9
seconds, becoming E 4 ft at 9 seconds.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...SW winds 10 kt. Seas 3 ft.
.THU...N winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$