FZUS52 KCHS 191104
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
604 AM 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
AMZ300-192330-
604 AM 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.
$$
AMZ330-192330-
Charleston Harbor-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...
.TODAY...W winds 10 to 15 kt with gusts to 25 kt, becoming W
10 to 15 kt with gusts to 20 kt this afternoon. A slight chance
of showers early this morning.
.TONIGHT...NW winds 5 to 10 kt.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...NE winds 5 kt, becoming W after midnight.
.SUN...NW winds 5 kt.
.SUN NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 10 to 15 kt.
.TUE...E winds 5 kt.
.TUE NIGHT...W winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 54 degrees.
$$
AMZ350-192330-
Waters from South Santee River to Edisto Beach SC out 20 NM-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.TODAY...SW winds 20 to 25 kt with gusts to 30 kt, becoming W
15 to 20 kt with gusts to 25 kt late this morning. Seas 7 to
9 ft, subsiding to 6 to 8 ft this afternoon. Wave Detail: SE 9 ft
at 9 seconds, becoming SE 7 ft at 9 seconds and SW 4 ft at
6 seconds. A slight chance of showers late this morning.
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 9 seconds and
SW 3 ft at 7 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 SW 1 foot at 5 seconds.
.SAT NIGHT...E winds 5 kt, becoming W 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 3 ft. Wave Detail: SE 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 4 to 6 ft after midnight.
Wave Detail: E 3 ft at 11 seconds and NE 2 ft at 3 seconds,
becoming NE 5 ft at 5 seconds and SE 3 ft at 11 seconds.
.MON...NE winds 20 to 25 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
.TUE...E winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
$$
AMZ352-192330-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.TODAY...W winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt with gusts to 20 kt. Seas 6 to 8 ft, subsiding to 5
to 7 ft this afternoon. Wave Detail: SE 7 ft at 9 seconds,
becoming SE 6 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 9 seconds and W
2 ft at 4 seconds, becoming SE 4 ft at 9 seconds and W 2 ft at
3 seconds.
.SAT...NE winds 10 kt, diminishing to 5 kt in the afternoon. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 9 seconds.
.SAT NIGHT...NE winds 5 kt, becoming W after midnight. Seas 3 ft.
Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt after midnight. Seas 2 to 3 ft, building to 4 to
5 ft after midnight. Wave Detail: E 3 ft at 8 seconds, becoming
NE 4 ft at 5 seconds and SE 3 ft at 11 seconds.
.MON...NE winds 20 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...NE winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 3 to 4 ft.
$$
AMZ354-192330-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.TODAY...W winds 15 to 20 kt, becoming 10 to 15 kt with gusts to
20 kt this afternoon. Seas 4 to 6 ft, subsiding to 4 to 5 ft this
afternoon. Wave Detail: SE 6 ft at 9 seconds, becoming SE 5 ft at
9 seconds.
.TONIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 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.
.SAT NIGHT...NE winds 5 kt, becoming W after midnight. Seas 2 to
3 ft. Wave Detail: E 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 20 to 25 kt. Seas 4 to 6 ft.
.TUE...NE winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 4 to 5 ft.
$$
AMZ374-192330-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.TODAY...W winds 15 to 20 kt with gusts to 30 kt, becoming W
15 to 20 kt with gusts to 25 kt this afternoon. Seas 7 to 9 ft,
subsiding to 5 to 7 ft this afternoon. Wave Detail: SE 8 ft at
9 seconds and SW 4 ft at 5 seconds, becoming SE 5 ft at 9 seconds
and W 4 ft at 5 seconds.
.TONIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: SE 4 ft at 9 seconds and NW 3 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: SE 4 ft at 9 seconds and N
2 ft at 4 seconds, becoming E 4 ft at 9 seconds.
.SAT NIGHT...E winds 5 kt, becoming W after midnight. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
9 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. Seas 3 to 4 ft, building to 4 to 6 ft after
midnight. Wave Detail: NE 3 ft at 3 seconds and E 3 ft at
9 seconds, becoming NE 6 ft at 5 seconds and E 3 ft at
11 seconds.
.MON...NE winds 20 to 25 kt. Seas 6 to 8 ft. A slight chance of
rain.
.MON NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. A slight chance
of rain.
.TUE...E winds 5 to 10 kt. Seas 5 to 7 ft. A slight chance of
rain.
.TUE NIGHT...SW winds 5 kt. Seas 4 to 6 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
604 AM 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
AMZ300-192330-
604 AM 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.
$$
AMZ330-192330-
Charleston Harbor-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...
.TODAY...W winds 10 to 15 kt with gusts to 25 kt, becoming W
10 to 15 kt with gusts to 20 kt this afternoon. A slight chance
of showers early this morning.
.TONIGHT...NW winds 5 to 10 kt.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...NE winds 5 kt, becoming W after midnight.
.SUN...NW winds 5 kt.
.SUN NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 10 to 15 kt.
.TUE...E winds 5 kt.
.TUE NIGHT...W winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 54 degrees.
$$
AMZ350-192330-
Waters from South Santee River to Edisto Beach SC out 20 NM-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.TODAY...SW winds 20 to 25 kt with gusts to 30 kt, becoming W
15 to 20 kt with gusts to 25 kt late this morning. Seas 7 to
9 ft, subsiding to 6 to 8 ft this afternoon. Wave Detail: SE 9 ft
at 9 seconds, becoming SE 7 ft at 9 seconds and SW 4 ft at
6 seconds. A slight chance of showers late this morning.
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 9 seconds and
SW 3 ft at 7 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 SW 1 foot at 5 seconds.
.SAT NIGHT...E winds 5 kt, becoming W 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 3 ft. Wave Detail: SE 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 4 to 6 ft after midnight.
Wave Detail: E 3 ft at 11 seconds and NE 2 ft at 3 seconds,
becoming NE 5 ft at 5 seconds and SE 3 ft at 11 seconds.
.MON...NE winds 20 to 25 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
.TUE...E winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
$$
AMZ352-192330-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.TODAY...W winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt with gusts to 20 kt. Seas 6 to 8 ft, subsiding to 5
to 7 ft this afternoon. Wave Detail: SE 7 ft at 9 seconds,
becoming SE 6 ft at 9 seconds.
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 9 seconds and W
2 ft at 4 seconds, becoming SE 4 ft at 9 seconds and W 2 ft at
3 seconds.
.SAT...NE winds 10 kt, diminishing to 5 kt in the afternoon. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 9 seconds.
.SAT NIGHT...NE winds 5 kt, becoming W after midnight. Seas 3 ft.
Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt after midnight. Seas 2 to 3 ft, building to 4 to
5 ft after midnight. Wave Detail: E 3 ft at 8 seconds, becoming
NE 4 ft at 5 seconds and SE 3 ft at 11 seconds.
.MON...NE winds 20 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...NE winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 3 to 4 ft.
$$
AMZ354-192330-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.TODAY...W winds 15 to 20 kt, becoming 10 to 15 kt with gusts to
20 kt this afternoon. Seas 4 to 6 ft, subsiding to 4 to 5 ft this
afternoon. Wave Detail: SE 6 ft at 9 seconds, becoming SE 5 ft at
9 seconds.
.TONIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 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.
.SAT NIGHT...NE winds 5 kt, becoming W after midnight. Seas 2 to
3 ft. Wave Detail: E 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 20 to 25 kt. Seas 4 to 6 ft.
.TUE...NE winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...SW winds 5 kt. Seas 4 to 5 ft.
$$
AMZ374-192330-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
604 AM EST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.TODAY...W winds 15 to 20 kt with gusts to 30 kt, becoming W
15 to 20 kt with gusts to 25 kt this afternoon. Seas 7 to 9 ft,
subsiding to 5 to 7 ft this afternoon. Wave Detail: SE 8 ft at
9 seconds and SW 4 ft at 5 seconds, becoming SE 5 ft at 9 seconds
and W 4 ft at 5 seconds.
.TONIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: SE 4 ft at 9 seconds and NW 3 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: SE 4 ft at 9 seconds and N
2 ft at 4 seconds, becoming E 4 ft at 9 seconds.
.SAT NIGHT...E winds 5 kt, becoming W after midnight. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
9 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. Seas 3 to 4 ft, building to 4 to 6 ft after
midnight. Wave Detail: NE 3 ft at 3 seconds and E 3 ft at
9 seconds, becoming NE 6 ft at 5 seconds and E 3 ft at
11 seconds.
.MON...NE winds 20 to 25 kt. Seas 6 to 8 ft. A slight chance of
rain.
.MON NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. A slight chance
of rain.
.TUE...E winds 5 to 10 kt. Seas 5 to 7 ft. A slight chance of
rain.
.TUE NIGHT...SW winds 5 kt. Seas 4 to 6 ft.
$$