FZUS52 KCHS 191755
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1255 PM EST Fri Dec 19 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
AMZ300-200600-
1255 PM EST Fri Dec 19 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will shift across the area early today, resulting in
an influx of drier air and breezy winds. High pressure will then
prevail over the weekend, with another cold front forecast to
impact the area Monday.
$$
AMZ330-200600-
Charleston Harbor-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
.THIS AFTERNOON...W winds 10 to 15 kt with gusts to 25 kt.
.TONIGHT...NW winds 5 to 10 kt, becoming N after midnight.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...NE winds 5 kt, becoming NW after midnight.
.SUN...NW winds 5 kt.
.SUN NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts to 20 kt after midnight.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 5 to 10 kt.
.TUE...SE winds 5 kt.
.TUE NIGHT...W winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 55 degrees.
$$
AMZ350-200600-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Seas
6 to 8 ft. Wave Detail: SE 7 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt, becoming N after midnight. Seas
4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: SE
5 ft at 9 seconds and SW 3 ft at 6 seconds, becoming SE 4 ft at
9 seconds and SW 2 ft at 5 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SAT NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Seas 3 ft. Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at
4 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and NE 1 foot at 4 seconds.
.SUN NIGHT...N winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight.
Wave Detail: SE 3 ft at 11 seconds and NE 2 ft at 4 seconds,
becoming NE 5 ft at 5 seconds and SE 3 ft at 11 seconds.
.MON...NE winds 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
.TUE...S winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
$$
AMZ352-200600-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.THIS AFTERNOON...W winds 15 to 20 kt. Seas 4 to 6 ft. Wave
Detail: SE 6 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt, becoming N after midnight. Seas
4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: SE
5 ft at 9 seconds and W 2 ft at 4 seconds, becoming SE 3 ft at
9 seconds and W 2 ft at 3 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and NE 1 foot at 3 seconds.
.SAT NIGHT...Variable winds 5 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds.
.SUN NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 4 to 5 ft after midnight.
Wave Detail: E 3 ft at 8 seconds, becoming NE 5 ft at 5 seconds
and SE 2 ft at 11 seconds.
.MON...NE winds 20 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...SE winds 5 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 3 to 4 ft.
$$
AMZ354-200600-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.THIS AFTERNOON...W winds 10 to 15 kt. Seas 4 to 5 ft. Wave
Detail: SE 5 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 9 seconds and
NW 2 ft at 3 seconds, becoming SE 3 ft at 9 seconds and NW 2 ft
at 3 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 9 seconds and N 1 foot at 3 seconds.
.SAT NIGHT...NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. Seas 2 to 3 ft, building to 4 to 5 ft after
midnight. Wave Detail: E 3 ft at 9 seconds, becoming NE 5 ft at
5 seconds and E 2 ft at 9 seconds.
.MON...NE winds 20 to 25 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 4 to 5 ft.
$$
AMZ374-200600-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 7 ft. Wave Detail: SE 6 ft at 9 seconds and W 4 ft at
4 seconds.
.TONIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: W 4 ft at 4 seconds and SE 4 ft at 9 seconds,
becoming SE 4 ft at 9 seconds and NW 3 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds and N 2 ft at 4 seconds.
.SAT NIGHT...NW winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
9 seconds.
.SUN NIGHT...N winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 3 to 4 ft, building to 5 to 7 ft after midnight.
Wave Detail: NE 3 ft at 4 seconds and E 3 ft at 9 seconds,
becoming NE 6 ft at 5 seconds and E 3 ft at 11 seconds.
.MON...NE winds 20 to 25 kt. Seas 6 to 8 ft. A slight chance of
rain.
.MON NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. A slight chance
of rain.
.TUE...SE winds 5 to 10 kt. Seas 5 to 7 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1255 PM EST Fri Dec 19 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
AMZ300-200600-
1255 PM EST Fri Dec 19 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will shift across the area early today, resulting in
an influx of drier air and breezy winds. High pressure will then
prevail over the weekend, with another cold front forecast to
impact the area Monday.
$$
AMZ330-200600-
Charleston Harbor-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
.THIS AFTERNOON...W winds 10 to 15 kt with gusts to 25 kt.
.TONIGHT...NW winds 5 to 10 kt, becoming N after midnight.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...NE winds 5 kt, becoming NW after midnight.
.SUN...NW winds 5 kt.
.SUN NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts to 20 kt after midnight.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 5 to 10 kt.
.TUE...SE winds 5 kt.
.TUE NIGHT...W winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 55 degrees.
$$
AMZ350-200600-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Seas
6 to 8 ft. Wave Detail: SE 7 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt, becoming N after midnight. Seas
4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: SE
5 ft at 9 seconds and SW 3 ft at 6 seconds, becoming SE 4 ft at
9 seconds and SW 2 ft at 5 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SAT NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Seas 3 ft. Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at
4 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and NE 1 foot at 4 seconds.
.SUN NIGHT...N winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight.
Wave Detail: SE 3 ft at 11 seconds and NE 2 ft at 4 seconds,
becoming NE 5 ft at 5 seconds and SE 3 ft at 11 seconds.
.MON...NE winds 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
.TUE...S winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
$$
AMZ352-200600-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.THIS AFTERNOON...W winds 15 to 20 kt. Seas 4 to 6 ft. Wave
Detail: SE 6 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt, becoming N after midnight. Seas
4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: SE
5 ft at 9 seconds and W 2 ft at 4 seconds, becoming SE 3 ft at
9 seconds and W 2 ft at 3 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and NE 1 foot at 3 seconds.
.SAT NIGHT...Variable winds 5 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds.
.SUN NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 4 to 5 ft after midnight.
Wave Detail: E 3 ft at 8 seconds, becoming NE 5 ft at 5 seconds
and SE 2 ft at 11 seconds.
.MON...NE winds 20 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...SE winds 5 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 3 to 4 ft.
$$
AMZ354-200600-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.THIS AFTERNOON...W winds 10 to 15 kt. Seas 4 to 5 ft. Wave
Detail: SE 5 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 9 seconds and
NW 2 ft at 3 seconds, becoming SE 3 ft at 9 seconds and NW 2 ft
at 3 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 9 seconds and N 1 foot at 3 seconds.
.SAT NIGHT...NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. Seas 2 to 3 ft, building to 4 to 5 ft after
midnight. Wave Detail: E 3 ft at 9 seconds, becoming NE 5 ft at
5 seconds and E 2 ft at 9 seconds.
.MON...NE winds 20 to 25 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 4 to 5 ft.
$$
AMZ374-200600-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1255 PM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 7 ft. Wave Detail: SE 6 ft at 9 seconds and W 4 ft at
4 seconds.
.TONIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: W 4 ft at 4 seconds and SE 4 ft at 9 seconds,
becoming SE 4 ft at 9 seconds and NW 3 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds and N 2 ft at 4 seconds.
.SAT NIGHT...NW winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
9 seconds.
.SUN NIGHT...N winds 15 to 20 kt, becoming NE 20 to 25 kt after
midnight. Seas 3 to 4 ft, building to 5 to 7 ft after midnight.
Wave Detail: NE 3 ft at 4 seconds and E 3 ft at 9 seconds,
becoming NE 6 ft at 5 seconds and E 3 ft at 11 seconds.
.MON...NE winds 20 to 25 kt. Seas 6 to 8 ft. A slight chance of
rain.
.MON NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. A slight chance
of rain.
.TUE...SE winds 5 to 10 kt. Seas 5 to 7 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft.
$$