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000
FZUS52 KCHS 210412
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
1212 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

AMZ300-211715-
1212 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 pass through
the area and offshore tonight through Sunday. Dry high pressure
will return to the region early next week and prevail into the
middle of the week.

$$

AMZ330-211715-
Charleston Harbor-
1212 AM EDT Sun Apr 21 2024

.REST OF TONIGHT...SW winds 10 kt, becoming N 5 to 10 kt.
A chance of showers and tstms.
.SUN...NE winds 5 kt, becoming N 10 to 15 kt with gusts to 20 kt
in the afternoon. Showers in the afternoon.
.SUN NIGHT...N winds 15 kt with gusts to 20 kt. Showers, mainly
in the evening.
.MON...NE winds 15 kt with gusts to 20 kt. A slight chance of
showers.
.MON NIGHT...NE winds 10 to 15 kt. A slight chance of showers in
the evening.
.TUE...NE winds 10 kt.
.TUE NIGHT...SE winds 5 to 10 kt.
.WED...SW winds 5 to 10 kt.
.WED NIGHT...SW 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.

$$

AMZ350-211715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1212 AM EDT Sun Apr 21 2024

.REST OF TONIGHT...SW winds 10 kt, becoming N late, except
becoming NE for areas E of Bulls Bay. 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.
.SUN...NE winds 10 to 15 kt, becoming N 15 to 20 kt with gusts to
25 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in
the afternoon. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at
5 seconds, becoming NE 2 ft at 4 seconds and E 2 ft at 9 seconds.
A slight chance of showers and tstms in the morning, then showers
in the afternoon.
.SUN NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: NE 4 ft at 5 seconds and SE 2 ft at 8 seconds.
Showers, mainly in the evening.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft.
Wave Detail: NE 5 ft at 7 seconds and S 1 ft at 6 seconds. A
chance of showers.
.MON NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: E 5 ft
at 8 seconds, becoming E 4 ft at 8 seconds. A chance of showers
in the evening.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-211715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1212 AM EDT Sun Apr 21 2024

.REST OF TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8
seconds.
.SUN...N winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and
S 2 ft at 4 seconds. Showers in the afternoon.
.SUN NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: NE 3 ft at 4 seconds and S 2 ft at 5 seconds.
Showers with a slight chance of tstms in the evening, then a
chance of showers after midnight.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft.
Wave Detail: NE 4 ft at 6 seconds and SE 1 ft at 12 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 after midnight. Wave Detail: E 4 ft at 7 seconds,
becoming E 4 ft at 8 seconds. A slight chance of showers in the
evening.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-211715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1212 AM EDT Sun Apr 21 2024

.REST OF TONIGHT...SW winds 10 kt, becoming W 5 to 10 kt. Seas 2
to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8
seconds.
.SUN...NW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E
2 ft at 8 seconds. Showers likely with a slight chance of tstms
in the afternoon.
.SUN NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight. Wave Detail: N 3 ft
at 4 seconds and SW 2 ft at 5 seconds, becoming NE 3 ft at
4 seconds and E 2 ft at 8 seconds. Showers with a slight chance
of tstms in the evening, then a 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 4 ft at 5 seconds and E 1 ft at 8 seconds. A
chance of showers.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: NE 4 ft at 7 seconds and E
1 ft at 12 seconds, becoming NE 4 ft at 8 seconds. A chance of
showers in the evening.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-211715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1212 AM EDT Sun Apr 21 2024

.REST OF TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt.
Seas 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8
seconds.
.SUN...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E
2 ft at 9 seconds. Showers likely in the afternoon.
.SUN NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: N 3 ft
at 4 seconds and E 2 ft at 9 seconds, becoming N 4 ft at
5 seconds and E 2 ft at 9 seconds. Showers with a slight chance
of tstms in the evening, then a chance of showers after midnight.
.MON...NE winds 20 to 25 kt. Seas 5 to 7 ft, building to 6 to
8 ft in the afternoon. Wave Detail: NE 5 ft at 7 seconds and E
1 ft at 12 seconds, becoming NE 6 ft at 7 seconds and E 1 ft at
12 seconds. A chance of showers.
.MON NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 6 to
8 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: NE 6 ft
at 7 seconds and E 1 ft at 12 seconds, becoming NE 6 ft at
8 seconds. A chance of showers in the evening.
.TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 4 to 5 ft.
.WED...W winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$