Coastal Waters Forecast
Issued by NWS Charleston, SC

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721
FZUS52 KCHS 050217
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
917 PM EST Wed Dec 4 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

AMZ300-051515-
917 PM EST Wed Dec 4 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through tonight. A cold front will
push across the area Thursday, with the return of high pressure
into the weekend. A storm system could impact the area early next
week.

$$

AMZ330-051515-
Charleston Harbor-
917 PM EST Wed Dec 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...SW winds 5 to 10 kt with gusts to 20 kt,
increasing to 10 to 15 kt with gusts to 25 kt.
.THU...SW winds 15 to 20 kt with gusts to 25 kt, becoming W 10 to
15 kt with gusts to 20 kt in the late afternoon. Gusts to 30 kt.
Waves 1 to 2 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt.
.FRI...N winds 10 kt.
.FRI NIGHT...N winds 10 kt.
.SAT...N winds 5 to 10 kt.
.SAT NIGHT...NW winds 5 to 10 kt.
.SUN...SW winds 5 to 10 kt.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...S winds 5 to 10 kt. A slight chance of showers.
.MON NIGHT...S winds 10 to 15 kt. A chance of showers.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 58 degrees.

$$

AMZ350-051515-
Waters from South Santee River to Edisto Beach SC out 20 NM-
917 PM EST Wed Dec 4 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY...
...GALE WARNING IN EFFECT FROM 5 AM EST THURSDAY THROUGH THURSDAY
AFTERNOON...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt,
increasing to 20 to 25 kt with gusts to 35 kt. Seas 2 to 3 ft,
building to 4 to 5 ft. Wave Detail: SW 3 ft at 3 seconds and NE
2 ft at 7 seconds, becoming SW 5 ft at 5 seconds and E 1 foot at
7 seconds.
.THU...W winds 20 to 25 kt with gusts to 35 kt. Seas 5 to 7 ft,
subsiding to 4 to 6 ft in the afternoon. Wave Detail: SW 6 ft at
6 seconds and SE 1 foot at 9 seconds, becoming SW 5 ft at
6 seconds and SE 1 foot at 9 seconds.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: W 5 ft
at 6 seconds and SE 1 foot at 9 seconds, becoming N 4 ft at
4 seconds and W 4 ft at 5 seconds.
.FRI...N winds 10 to 15 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: NE 4 ft at 5 seconds and SW 1 foot at 5 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 6 seconds and SE 1 foot at 9 seconds.
.SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and
SE 1 foot at 9 seconds.
.SAT NIGHT...NW winds 5 to 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ352-051515-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
917 PM EST Wed Dec 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EST THURSDAY THROUGH
FRIDAY MORNING...

.REST OF TONIGHT...SW winds 10 to 15 kt, increasing to 15 to
20 kt with gusts to 30 kt late this evening. Seas 2 to 3 ft,
building to 3 to 4 ft. Wave Detail: SW 2 ft at 2 seconds and NE
2 ft at 7 seconds, becoming SW 4 ft at 4 seconds and E 2 ft at
7 seconds.
.THU...SW winds 20 to 25 kt, becoming W 15 to 20 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and
E 1 foot at 8 seconds.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt, becoming N
after midnight. Seas 3 to 4 ft. Wave Detail: N 4 ft at 5 seconds
and SE 1 foot at 8 seconds.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: NE 4 ft at 5 seconds and SW 1 foot at 4 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 6 seconds and SE 1 foot at 9 seconds.
.SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and
SE 1 foot at 9 seconds.
.SAT NIGHT...N winds 5 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ354-051515-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
917 PM EST Wed Dec 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EST THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...SW winds 5 to 10 kt, increasing to 15 to 20 kt
with gusts to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at
3 seconds and NE 2 ft at 6 seconds.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...NW winds 10 to 15 kt, becoming N after midnight.
Gusts to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds
and NE 3 ft at 8 seconds.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: NE 4 ft at 5 seconds and SE 1 foot at 8 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 6 seconds and SE 1 foot at 9 seconds.
.SAT...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and
SE 1 foot at 9 seconds.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...NE winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ374-051515-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
917 PM EST Wed Dec 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST THURSDAY THROUGH
FRIDAY MORNING...

.REST OF TONIGHT...SW winds 5 to 10 kt, increasing to 15 to 20 kt
with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at
4 seconds and NE 3 ft at 7 seconds.
.THU...W winds 15 to 20 kt with gusts to 30 kt. Seas 4 to 6 ft.
Wave Detail: SW 5 ft at 5 seconds and NE 2 ft at 8 seconds.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt, becoming N
after midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft after
midnight. Wave Detail: NW 4 ft at 5 seconds and SE 1 foot at 8
seconds, becoming NW 4 ft at 4 seconds and SE 1 foot at 8 seconds.
.FRI...N winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail:
N 5 ft at 6 seconds and SE 1 foot at 8 seconds.
.FRI NIGHT...N winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: NE 4 ft at 6 seconds and SE 1 foot at 9 seconds.
.SAT...N winds 10 to 15 kt with gusts to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 7 seconds and SE 2 ft at 9 seconds.
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 ft.
.SUN...NE winds 5 to 10 kt. Seas 3 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 3 ft.
.MON...S winds 10 kt. Seas 3 to 4 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers.

$$