FZUS52 KCHS 111716
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
116 PM EDT Tue Mar 11 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
AMZ300-120630-
116 PM EDT Tue Mar 11 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will build in through Friday. A cold front could
move through late in the weekend.
$$
AMZ330-120630-
Charleston Harbor-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...NW winds 15 kt gusting to 20 kt, diminishing to
10 to 15 kt late.
.TONIGHT...W winds 5 kt.
.WED...SW winds 5 to 10 kt.
.WED NIGHT...SW winds 10 kt.
.THU...SW winds 5 kt, increasing to 10 kt in the afternoon.
.THU NIGHT...S winds 10 kt, becoming SW after midnight.
.FRI...E winds 5 to 10 kt.
.FRI NIGHT...SE winds 5 to 10 kt.
.SAT...S winds 10 to 15 kt.
.SAT NIGHT...S winds 15 to 20 kt. Waves 1 to 2 ft. A slight
chance of showers.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 56 degrees.
$$
AMZ350-120630-
Waters from South Santee River to Edisto Beach SC out 20 NM-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...NW winds 10 to 15 kt with gusts to 20 kt,
becoming W 5 to 10 kt late. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 7 seconds and W 2 ft at 4 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 9 seconds and W 1 foot at 4 seconds.
.WED...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and
SW 1 foot at 3 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 3 seconds and E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 5 seconds and E 1 foot at 8 seconds.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 5 to 7 ft. A slight chance
of showers.
$$
AMZ352-120630-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: W 2 ft at 4 seconds and E 2 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 8 seconds and W 1 foot at 3 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
2 seconds.
.WED NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
3 seconds and E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 foot at 8 seconds.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of showers.
$$
AMZ354-120630-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: W 2 ft at 4 seconds and E 2 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 7 seconds.
.WED...W winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: NE 2 ft at 9 seconds and S 1 foot at
2 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 3 seconds and E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds.
.THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...S winds 15 to 20 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of showers.
$$
AMZ374-120630-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...NW winds 10 to 15 kt with gusts to 20 kt,
becoming W 5 to 10 kt late. Seas 4 to 5 ft. Wave Detail: N 5 ft
at 7 seconds and SE 1 foot at 8 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE
3 ft at 8 seconds and NW 2 ft at 4 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 4 ft. Wave Detail: NE 4 ft at 8 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: E 3 ft at 10 seconds and S
2 ft at 3 seconds, becoming E 3 ft at 9 seconds and S 2 ft at
4 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and S 2 ft at 4 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds and S 1 foot at 4 seconds. A slight chance of
showers in the evening.
.FRI...N winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...S winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 5 to 7 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
116 PM EDT Tue Mar 11 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
AMZ300-120630-
116 PM EDT Tue Mar 11 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will build in through Friday. A cold front could
move through late in the weekend.
$$
AMZ330-120630-
Charleston Harbor-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...NW winds 15 kt gusting to 20 kt, diminishing to
10 to 15 kt late.
.TONIGHT...W winds 5 kt.
.WED...SW winds 5 to 10 kt.
.WED NIGHT...SW winds 10 kt.
.THU...SW winds 5 kt, increasing to 10 kt in the afternoon.
.THU NIGHT...S winds 10 kt, becoming SW after midnight.
.FRI...E winds 5 to 10 kt.
.FRI NIGHT...SE winds 5 to 10 kt.
.SAT...S winds 10 to 15 kt.
.SAT NIGHT...S winds 15 to 20 kt. Waves 1 to 2 ft. A slight
chance of showers.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 56 degrees.
$$
AMZ350-120630-
Waters from South Santee River to Edisto Beach SC out 20 NM-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...NW winds 10 to 15 kt with gusts to 20 kt,
becoming W 5 to 10 kt late. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 7 seconds and W 2 ft at 4 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 9 seconds and W 1 foot at 4 seconds.
.WED...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and
SW 1 foot at 3 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 3 seconds and E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 5 seconds and E 1 foot at 8 seconds.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 5 to 7 ft. A slight chance
of showers.
$$
AMZ352-120630-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: W 2 ft at 4 seconds and E 2 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 8 seconds and W 1 foot at 3 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
2 seconds.
.WED NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
3 seconds and E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 foot at 8 seconds.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of showers.
$$
AMZ354-120630-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: W 2 ft at 4 seconds and E 2 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 7 seconds.
.WED...W winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: NE 2 ft at 9 seconds and S 1 foot at
2 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 3 seconds and E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds.
.THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...S winds 15 to 20 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance
of showers.
$$
AMZ374-120630-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
116 PM EDT Tue Mar 11 2025
.THIS AFTERNOON...NW winds 10 to 15 kt with gusts to 20 kt,
becoming W 5 to 10 kt late. Seas 4 to 5 ft. Wave Detail: N 5 ft
at 7 seconds and SE 1 foot at 8 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE
3 ft at 8 seconds and NW 2 ft at 4 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 4 ft. Wave Detail: NE 4 ft at 8 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: E 3 ft at 10 seconds and S
2 ft at 3 seconds, becoming E 3 ft at 9 seconds and S 2 ft at
4 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and S 2 ft at 4 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds and S 1 foot at 4 seconds. A slight chance of
showers in the evening.
.FRI...N winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...S winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds 20 to 25 kt. Seas 5 to 7 ft.
$$