781
FZUS52 KCHS 081712
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1212 PM EST Wed Jan 8 2025

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

AMZ300-090615-
1212 PM EST Wed Jan 8 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Cold high pressure will prevail into late week. A low pressure
system will impact the area Friday into Friday night, followed by
cool high pressure returning for the weekend.

$$

AMZ330-090615-
Charleston Harbor-
1212 PM EST Wed Jan 8 2025

.THIS AFTERNOON...W winds 5 to 10 kt.
.TONIGHT...W winds 5 to 10 kt, becoming NW 15 kt with gusts to
20 kt after midnight. Waves building to 1 to 2 ft.
.THU...N winds 10 to 15 kt.
.THU NIGHT...NW winds 5 kt.
.FRI...NE winds 5 kt. A chance of showers in the afternoon.
.FRI NIGHT...E winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts to 20 kt after midnight. Showers.
.SAT...W winds 10 to 15 kt. A chance of showers.
.SAT NIGHT...NW winds 10 kt.
.SUN...NE winds 5 kt.
.SUN NIGHT...N winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 52 degrees.

$$

AMZ350-090615-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1212 PM EST Wed Jan 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY MORNING...

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

$$

AMZ352-090615-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1212 PM EST Wed Jan 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING
THROUGH THURSDAY MORNING...

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

$$

AMZ354-090615-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1212 PM EST Wed Jan 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING
THROUGH THURSDAY MORNING...

.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE
2 ft at 6 seconds and W 1 foot at 2 seconds.
.TONIGHT...NW 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: W 2 ft
at 3 seconds and NE 1 foot at 6 seconds, becoming NW 3 ft at
4 seconds and E 2 ft at 9 seconds.
.THU...N winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: NW 3 ft at 4 seconds and E
2 ft at 9 seconds, becoming N 2 ft at 4 seconds and E 1 foot at
9 seconds.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: N 2 ft
at 5 seconds and E 1 foot at 9 seconds.
.FRI...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft at
5 seconds and E 2 ft at 8 seconds. A slight chance of showers in
the afternoon.
.FRI NIGHT...SE winds 10 to 15 kt, becoming SW 15 to 20 kt after
midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight.
Wave Detail: E 2 ft at 5 seconds and E 2 ft at 8 seconds,
becoming E 4 ft at 6 seconds. Showers.
.SAT...W winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...N winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.

$$

AMZ374-090615-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1212 PM EST Wed Jan 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING
THROUGH THURSDAY AFTERNOON...

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

$$