Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 220210
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
1010 PM 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

AMZ300-221515-
1010 PM 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.

$$

AMZ330-221515-
Charleston Harbor-
1010 PM EDT Sun Apr 21 2024

.TONIGHT...N winds 15 kt.
.MON...N winds 10 to 15 kt.
.MON NIGHT...N winds 5 to 10 kt.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon.
.TUE NIGHT...S winds 5 kt.
.WED...SW winds 5 to 10 kt.
.WED NIGHT...SW winds 10 kt.
.THU...NE winds 10 kt.
.THU NIGHT...E winds 10 kt.
.FRI...E winds 10 kt.
.FRI NIGHT...E winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 70 degrees.

$$

AMZ350-221515-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1010 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...

.TONIGHT...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 SW 3 ft at 6 seconds.
A slight chance of showers this evening.
.MON...N winds 15 to 20 kt with gusts to 30 kt. Seas 4 to 5 ft.
Wave Detail: NE 5 ft at 7 seconds and S 1 ft at 6 seconds. A
slight chance of showers in the morning.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE...NE winds 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 ft.
.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 to 15 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

$$

AMZ352-221515-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1010 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...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: NW 3 ft
at 5 seconds and E 2 ft at 10 seconds, becoming N 3 ft at
4 seconds and S 2 ft at 5 seconds.
.MON...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: NE 4 ft at 6 seconds and S 1 ft at 5 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...S 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 to 15 kt. Seas 2 to 3 ft.
.THU...N winds 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

$$

AMZ354-221515-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1010 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: N 3 ft at 4 seconds and E 2 ft at 8 seconds.
.MON...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 E 1 ft at 8 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. 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.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI...E winds 10 to 15 kt. Seas 3 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft.

$$

AMZ374-221515-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1010 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: N 4 ft at 5 seconds and E 2 ft at 9 seconds. A
slight chance of showers this evening.
.MON...N winds 15 to 20 kt with gusts to 30 kt. Seas 5 to 6 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: N 5 ft at
5 seconds and E 2 ft at 9 seconds, becoming NE 6 ft at 7 seconds
and E 1 ft at 12 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.
.TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 4 to
5 ft in the afternoon.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
4 to 5 ft, subsiding to 3 to 4 ft after midnight.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...SW winds 10 kt. Seas 3 to 4 ft.
.THU...N winds 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 15 kt. Seas 3 to 4 ft.

$$


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