FZUS52 KCHS 221725
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1225 PM EST Mon Dec 22 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
AMZ300-230600-
1225 PM EST Mon Dec 22 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the remainder of the holiday
week.
$$
AMZ330-230600-
Charleston Harbor-
1225 PM EST Mon Dec 22 2025
.THIS AFTERNOON...NE winds 10 to 15 kt with gusts to 20 kt.
.TONIGHT...NE winds 5 to 10 kt.
.TUE...S winds 5 kt, becoming SW in the afternoon.
.TUE NIGHT...W winds 5 kt.
.WED...NW winds 5 kt, becoming N in the afternoon.
.WED NIGHT...E winds 5 kt.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...SW winds 5 kt.
.FRI...SW winds 5 to 10 kt.
.FRI NIGHT...SW winds 10 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 55 degrees.
$$
AMZ350-230600-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
.THIS AFTERNOON...NE winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 7 ft. Wave Detail: E 6 ft at 8 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
5 to 10 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft
after midnight. Wave Detail: E 6 ft at 8 seconds, becoming E 5 ft
at 9 seconds.
.TUE...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds and W 2 ft at 4 seconds.
.WED...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at
9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
$$
AMZ352-230600-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
.THIS AFTERNOON...NE winds 20 kt with gusts to 25 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 7 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
5 to 10 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft
after midnight. Wave Detail: E 6 ft at 8 seconds, becoming E 5 ft
at 9 seconds.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds.
.TUE NIGHT...W winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds.
.WED...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
$$
AMZ354-230600-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
.THIS AFTERNOON...NE winds 20 kt with gusts to 25 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 7 seconds.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: E 6 ft at 8 seconds, becoming E 5 ft at 8 seconds.
.TUE...SE winds 5 kt, becoming SW in the afternoon. Seas 4 to
5 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds.
.WED...W winds 5 to 10 kt, becoming N in the afternoon. Seas
3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
$$
AMZ374-230600-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...
.THIS AFTERNOON...NE winds 20 kt with gusts to 25 kt. Seas 6 to
7 ft. Wave Detail: NE 7 ft at 8 seconds.
.TONIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 5 to 7 ft, subsiding to 5 to 6 ft after midnight.
Wave Detail: E 7 ft at 8 seconds, becoming E 6 ft at 8 seconds. A
slight chance of rain in the evening.
.TUE...S winds 5 to 10 kt, becoming SW in the afternoon. Seas
5 to 6 ft. Wave Detail: E 6 ft at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds.
.WED...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1225 PM EST Mon Dec 22 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
AMZ300-230600-
1225 PM EST Mon Dec 22 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the remainder of the holiday
week.
$$
AMZ330-230600-
Charleston Harbor-
1225 PM EST Mon Dec 22 2025
.THIS AFTERNOON...NE winds 10 to 15 kt with gusts to 20 kt.
.TONIGHT...NE winds 5 to 10 kt.
.TUE...S winds 5 kt, becoming SW in the afternoon.
.TUE NIGHT...W winds 5 kt.
.WED...NW winds 5 kt, becoming N in the afternoon.
.WED NIGHT...E winds 5 kt.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...SW winds 5 kt.
.FRI...SW winds 5 to 10 kt.
.FRI NIGHT...SW winds 10 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 55 degrees.
$$
AMZ350-230600-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
.THIS AFTERNOON...NE winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 7 ft. Wave Detail: E 6 ft at 8 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
5 to 10 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft
after midnight. Wave Detail: E 6 ft at 8 seconds, becoming E 5 ft
at 9 seconds.
.TUE...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds and W 2 ft at 4 seconds.
.WED...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at
9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
$$
AMZ352-230600-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
.THIS AFTERNOON...NE winds 20 kt with gusts to 25 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 7 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
5 to 10 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft
after midnight. Wave Detail: E 6 ft at 8 seconds, becoming E 5 ft
at 9 seconds.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds.
.TUE NIGHT...W winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds.
.WED...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
$$
AMZ354-230600-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
.THIS AFTERNOON...NE winds 20 kt with gusts to 25 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 7 seconds.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: E 6 ft at 8 seconds, becoming E 5 ft at 8 seconds.
.TUE...SE winds 5 kt, becoming SW in the afternoon. Seas 4 to
5 ft. Wave Detail: E 4 ft at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds.
.WED...W winds 5 to 10 kt, becoming N in the afternoon. Seas
3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
$$
AMZ374-230600-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1225 PM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...
.THIS AFTERNOON...NE winds 20 kt with gusts to 25 kt. Seas 6 to
7 ft. Wave Detail: NE 7 ft at 8 seconds.
.TONIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 5 to 7 ft, subsiding to 5 to 6 ft after midnight.
Wave Detail: E 7 ft at 8 seconds, becoming E 6 ft at 8 seconds. A
slight chance of rain in the evening.
.TUE...S winds 5 to 10 kt, becoming SW in the afternoon. Seas
5 to 6 ft. Wave Detail: E 6 ft at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds.
.WED...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.
.WED NIGHT...E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft.
$$