Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 221919
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
319 PM EDT Mon Apr 22 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

AMZ300-230815-
319 PM EDT Mon Apr 22 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will be the dominant player across the southeast
through the week and into the upcoming weekend.

$$

AMZ330-230815-
Charleston Harbor-
319 PM EDT Mon Apr 22 2024

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

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 70 degrees.

$$

AMZ350-230815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
319 PM EDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...N winds 15 to 20 kt with gusts to 25 kts, becoming NE
10 to 15 kt by late evening. Seas 4 to 5 ft. Wave Detail: NE 5 ft
at 7 seconds.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 10 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft
at 10 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and SW 3 ft at 4 seconds.
.WED NIGHT...SW winds 10 to 15 kt with gusts to 20 kt, becoming W
5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 4 seconds and E 3 ft at 10 seconds.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SW 2 ft at
4 seconds.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight.
.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.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft.

$$

AMZ352-230815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
319 PM EDT Mon Apr 22 2024

.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt, becoming NE
5 to 10 kt late. Seas 3 to 4 ft, building to 4 to 5 ft this
evening, subsiding to 3 to 4 ft after midnight. Wave Detail: NE
4 ft at 7 seconds and SE 1 ft at 12 seconds, becoming NE 4 ft at
8 seconds, becoming E 4 ft at 9 seconds.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 10 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft
at 10 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at
10 seconds and SW 2 ft at 3 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft
at 10 seconds and SW 2 ft at 4 seconds.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SW 2 ft at
4 seconds.
.THU NIGHT...E winds 10 kt. Seas 2 to 3 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 15 kt. Seas 3 to 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

$$

AMZ354-230815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
319 PM EDT Mon Apr 22 2024

.TONIGHT...N winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Seas 3 to 4 ft, building to 4 to 5 ft. Wave Detail: NE
4 ft at 6 seconds and E 1 ft at 12 seconds, becoming NE 4 ft at
7 seconds and E 1 ft at 12 seconds.
.TUE...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 ft. Wave Detail: E 3 ft at 10 seconds.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and
SW 2 ft at 3 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft
at 9 seconds and S 2 ft at 4 seconds.
.THU...W winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 10 seconds and S 2 ft at 4 seconds.
.THU NIGHT...E winds 10 kt. Seas 2 to 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.
.SAT...E winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ374-230815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
319 PM EDT Mon Apr 22 2024

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

.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt, becoming NE
10 to 15 kt late. Seas 5 to 6 ft. Wave Detail: NE 6 ft at
7 seconds and E 1 ft at 12 seconds.
.TUE...NE winds 5 to 10 kt. Seas 4 to 6 ft, subsiding to 4 to
5 ft in the afternoon. Wave Detail: NE 6 ft at 10 seconds,
becoming E 5 ft at 10 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
4 to 5 ft. Wave Detail: E 5 ft at 10 seconds.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds.
.WED NIGHT...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds and SW 2 ft at 3 seconds.
.THU...W winds 5 to 10 kt, becoming N in the afternoon. Seas 3 to
4 ft. Wave Detail: E 4 ft at 10 seconds and SW 2 ft at 4 seconds.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 15 kt. Seas 4 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SE winds 15 kt. Seas 4 to 5 ft.

$$


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