Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 230653
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
253 AM EDT Tue Apr 23 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

AMZ300-231915-
253 AM EDT Tue Apr 23 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the Southeast U.S. through the
week and into the upcoming weekend.

$$

AMZ330-231915-
Charleston Harbor-
253 AM EDT Tue Apr 23 2024

.TODAY...NE winds 5 to 10 kt, becoming SE 10 to 15 kt late.
.TONIGHT...S winds 10 kt.
.WED...SW winds 10 to 15 kt.
.WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight.
.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 to 15 kt.
.SAT NIGHT...SE winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 68 degrees.

$$

AMZ350-231915-
Waters from South Santee River to Edisto Beach SC out 20 NM-
253 AM EDT Tue Apr 23 2024

.TODAY...NE winds 10 kt, becoming SE 5 to 10 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 10 seconds.
.TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW
2 ft at 3 seconds.
.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and
E 3 ft at 9 seconds.
.WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 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 E 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. Wave Detail: E 2 ft at 8 seconds and S 1 ft at 4
seconds, becoming E 3 ft at 7 seconds and S 1 ft at 4 seconds.
.FRI...E winds 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 3 to 4 ft.

$$

AMZ352-231915-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
253 AM EDT Tue Apr 23 2024

.TODAY...NE winds 10 kt, becoming SE 5 to 10 kt. Seas 3 to 4 ft,
subsiding to 2 to 3 ft. Wave Detail: E 4 ft at 9 seconds,
becoming E 3 ft at 10 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds.
.WED...SW winds 10 to 15 kt. 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 2 to 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 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 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 10 seconds and SE 1 ft at 4 seconds.
.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 3 to 4 ft.

$$

AMZ354-231915-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
253 AM EDT Tue Apr 23 2024

.TODAY...NE winds 10 kt, becoming E 5 to 10 kt. Seas 3 to 4 ft,
subsiding to 2 to 3 ft. Wave Detail: E 4 ft at 9 seconds,
becoming E 3 ft at 10 seconds.
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds.
.WED...SW winds 10 to 15 kt. 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 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and S 2 ft at 3 seconds.
.THU...W winds 5 to 10 kt, becoming SE 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. Wave Detail: SE 2 ft
at 4 seconds and E 2 ft at 11 seconds.
.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...SE winds 15 kt. Seas 3 to 4 ft.

$$

AMZ374-231915-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
253 AM EDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.TODAY...NE winds 10 to 15 kt, becoming E 5 to 10 kt this
afternoon. Seas 4 to 6 ft, subsiding to 4 to 5 ft. Wave Detail:
NE 6 ft at 10 seconds, becoming E 5 ft at 10 seconds.
.TONIGHT...SE 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 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds.
.WED NIGHT...SW winds 10 to 15 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 S in the afternoon. Seas 3 to
4 ft. Wave Detail: E 3 ft at 11 seconds and S 2 ft at 4 seconds.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds and SE 2 ft at 4 seconds. A slight chance of
showers after midnight.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 15 kt. Seas 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SE winds 15 kt. Seas 4 ft.

$$


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