FZUS52 KCHS 210033
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
733 PM EST Mon Jan 20 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
AMZ300-211315-
733 PM EST Mon Jan 20 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through tonight. A storm system will
impact the area Tuesday afternoon through Wednesday morning.
Another weak storm system could impact the area Thursday and
Thursday night.
$$
AMZ330-211315-
Charleston Harbor-
733 PM EST Mon Jan 20 2025
.TONIGHT...N winds around 10 kt, increasing to 15 to 20 kt late.
Waves 1 to 2 ft.
.TUE...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of rain in
the afternoon.
.TUE NIGHT...N winds 15 kt with gusts to 20 kt. Sleet and snow.
.WED...N winds 10 to 15 kt with gusts to 20 kt. A chance of snow
with a slight chance of rain in the morning.
.WED NIGHT...N winds 10 kt.
.THU...N winds 10 kt. A chance of rain and freezing rain in the
morning, then a chance of showers in the afternoon.
.THU NIGHT...N winds 10 kt. A slight chance of showers in the
evening.
.FRI...NW winds 10 kt.
.FRI NIGHT...NW winds 5 to 10 kt.
.SAT...NE winds 5 kt.
.SAT NIGHT...N winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 50 degrees.
$$
AMZ350-211315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
.TONIGHT...N winds 10 kt, becoming NE 15 to 20 kt with gusts to
25 kt late this evening. Seas 2 to 3 ft, building to 3 to 4 ft
after midnight. Wave Detail: NE 2 ft at 4 seconds and W 1 foot at
4 seconds, becoming NE 3 ft at 4 seconds and SE 1 foot at
7 seconds.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 4 ft at 6 seconds. A chance of rain in the
afternoon.
.TUE NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 5 ft
at 6 seconds, becoming E 5 ft at 7 seconds. Rain and sleet. Snow
after midnight.
.WED...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: NE 6 ft at 7 seconds. A
chance of rain and snow in the morning.
.WED NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 5 to 6 ft,
subsiding to 4 to 6 ft after midnight. Wave Detail: E 6 ft at
9 seconds, becoming E 5 ft at 10 seconds. A chance of rain after
midnight.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 10 seconds. A chance of rain in the
morning, then a chance of showers in the afternoon.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A slight chance of showers in the evening.
.FRI...NW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
$$
AMZ352-211315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
.TONIGHT...N winds around 10, increasing to 15 to 20 kt with
gusts to 25 kt late. Seas 2 to 3 ft. Wave Detail:
N 3 ft at 4 seconds and SE 1 foot at 8 seconds.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 4 ft at 6 seconds. A chance of rain in the
afternoon.
.TUE NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 4 ft
at 6 seconds, becoming NE 5 ft at 6 seconds. Rain. Sleet in the
evening, then snow after midnight.
.WED...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 7 seconds. A
chance of rain and snow in the morning.
.WED NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 4 to 6 ft.
Wave Detail: E 5 ft at 9 seconds. A slight chance of rain.
.THU...N winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 9 seconds. A chance of rain in the morning, then a chance of
showers in the afternoon.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A slight chance of showers in the evening.
.FRI...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft.
$$
AMZ354-211315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
THURSDAY MORNING...
.TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds
and SE 1 foot at 8 seconds.
.TUE...N winds 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 6 seconds. A chance of rain in the afternoon.
.TUE NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
6 ft. Wave Detail: NE 5 ft at 6 seconds. Rain. Snow likely after
midnight.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft.
Wave Detail: NE 6 ft at 7 seconds. A chance of rain and snow in
the morning.
.WED NIGHT...N winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NE
5 ft at 8 seconds. A slight chance of rain after midnight.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. Wave Detail: NE 5 ft at
9 seconds, becoming E 5 ft at 9 seconds. A chance of rain in the
morning, then a chance of showers in the afternoon.
.THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. A slight chance of showers in the
evening.
.FRI...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft.
$$
AMZ374-211315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST TUESDAY THROUGH
LATE FRIDAY NIGHT...
.TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt. Seas 2 to 3 ft, building to 3 to 4 ft after
midnight. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8
seconds, becoming NE 3 ft at 4 seconds and SE 1 foot at 7 seconds.
A slight chance of rain late.
.TUE...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: NE 5 ft at
5 seconds and SE 1 foot at 7 seconds, becoming NE 6 ft at
6 seconds and SE 1 foot at 7 seconds. A chance of rain in the
afternoon.
.TUE NIGHT...N winds 25 to 30 kt. Seas 6 to 8 ft, building to
7 to 9 ft after midnight. Wave Detail: NE 7 ft at 6 seconds and
SE 4 ft at 7 seconds, becoming NE 8 ft at 7 seconds. Rain.
.WED...N winds 20 to 25 kt with gusts to 30 kt. Seas 7 to 9 ft.
Wave Detail: NE 8 ft at 7 seconds. Rain likely, mainly in the
morning.
.WED NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 6 to
8 ft. Wave Detail: NE 8 ft at 9 seconds. A chance of rain.
.THU...N winds 15 to 20 kt. Seas 6 to 7 ft, subsiding to 5 to
7 ft in the afternoon. Wave Detail: NE 7 ft at 10 seconds. A
chance of rain in the morning, then a chance of showers in the
afternoon.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
7 ft, subsiding to 5 to 6 ft after midnight. A slight chance of
showers in the evening.
.FRI...NW winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
showers.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT...N winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...N winds 10 kt. Seas 3 to 4 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
733 PM EST Mon Jan 20 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
AMZ300-211315-
733 PM EST Mon Jan 20 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through tonight. A storm system will
impact the area Tuesday afternoon through Wednesday morning.
Another weak storm system could impact the area Thursday and
Thursday night.
$$
AMZ330-211315-
Charleston Harbor-
733 PM EST Mon Jan 20 2025
.TONIGHT...N winds around 10 kt, increasing to 15 to 20 kt late.
Waves 1 to 2 ft.
.TUE...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of rain in
the afternoon.
.TUE NIGHT...N winds 15 kt with gusts to 20 kt. Sleet and snow.
.WED...N winds 10 to 15 kt with gusts to 20 kt. A chance of snow
with a slight chance of rain in the morning.
.WED NIGHT...N winds 10 kt.
.THU...N winds 10 kt. A chance of rain and freezing rain in the
morning, then a chance of showers in the afternoon.
.THU NIGHT...N winds 10 kt. A slight chance of showers in the
evening.
.FRI...NW winds 10 kt.
.FRI NIGHT...NW winds 5 to 10 kt.
.SAT...NE winds 5 kt.
.SAT NIGHT...N winds 5 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 50 degrees.
$$
AMZ350-211315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
.TONIGHT...N winds 10 kt, becoming NE 15 to 20 kt with gusts to
25 kt late this evening. Seas 2 to 3 ft, building to 3 to 4 ft
after midnight. Wave Detail: NE 2 ft at 4 seconds and W 1 foot at
4 seconds, becoming NE 3 ft at 4 seconds and SE 1 foot at
7 seconds.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 4 ft at 6 seconds. A chance of rain in the
afternoon.
.TUE NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 5 ft
at 6 seconds, becoming E 5 ft at 7 seconds. Rain and sleet. Snow
after midnight.
.WED...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: NE 6 ft at 7 seconds. A
chance of rain and snow in the morning.
.WED NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 5 to 6 ft,
subsiding to 4 to 6 ft after midnight. Wave Detail: E 6 ft at
9 seconds, becoming E 5 ft at 10 seconds. A chance of rain after
midnight.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 10 seconds. A chance of rain in the
morning, then a chance of showers in the afternoon.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A slight chance of showers in the evening.
.FRI...NW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
$$
AMZ352-211315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
.TONIGHT...N winds around 10, increasing to 15 to 20 kt with
gusts to 25 kt late. Seas 2 to 3 ft. Wave Detail:
N 3 ft at 4 seconds and SE 1 foot at 8 seconds.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 4 ft at 6 seconds. A chance of rain in the
afternoon.
.TUE NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight. Wave Detail: NE 4 ft
at 6 seconds, becoming NE 5 ft at 6 seconds. Rain. Sleet in the
evening, then snow after midnight.
.WED...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 7 seconds. A
chance of rain and snow in the morning.
.WED NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 4 to 6 ft.
Wave Detail: E 5 ft at 9 seconds. A slight chance of rain.
.THU...N winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 9 seconds. A chance of rain in the morning, then a chance of
showers in the afternoon.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A slight chance of showers in the evening.
.FRI...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft.
$$
AMZ354-211315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
THURSDAY MORNING...
.TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds
and SE 1 foot at 8 seconds.
.TUE...N winds 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 6 seconds. A chance of rain in the afternoon.
.TUE NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
6 ft. Wave Detail: NE 5 ft at 6 seconds. Rain. Snow likely after
midnight.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft.
Wave Detail: NE 6 ft at 7 seconds. A chance of rain and snow in
the morning.
.WED NIGHT...N winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NE
5 ft at 8 seconds. A slight chance of rain after midnight.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. Wave Detail: NE 5 ft at
9 seconds, becoming E 5 ft at 9 seconds. A chance of rain in the
morning, then a chance of showers in the afternoon.
.THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. A slight chance of showers in the
evening.
.FRI...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft.
$$
AMZ374-211315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
733 PM EST Mon Jan 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST TUESDAY THROUGH
LATE FRIDAY NIGHT...
.TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt. Seas 2 to 3 ft, building to 3 to 4 ft after
midnight. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8
seconds, becoming NE 3 ft at 4 seconds and SE 1 foot at 7 seconds.
A slight chance of rain late.
.TUE...N winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: NE 5 ft at
5 seconds and SE 1 foot at 7 seconds, becoming NE 6 ft at
6 seconds and SE 1 foot at 7 seconds. A chance of rain in the
afternoon.
.TUE NIGHT...N winds 25 to 30 kt. Seas 6 to 8 ft, building to
7 to 9 ft after midnight. Wave Detail: NE 7 ft at 6 seconds and
SE 4 ft at 7 seconds, becoming NE 8 ft at 7 seconds. Rain.
.WED...N winds 20 to 25 kt with gusts to 30 kt. Seas 7 to 9 ft.
Wave Detail: NE 8 ft at 7 seconds. Rain likely, mainly in the
morning.
.WED NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 6 to
8 ft. Wave Detail: NE 8 ft at 9 seconds. A chance of rain.
.THU...N winds 15 to 20 kt. Seas 6 to 7 ft, subsiding to 5 to
7 ft in the afternoon. Wave Detail: NE 7 ft at 10 seconds. A
chance of rain in the morning, then a chance of showers in the
afternoon.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
7 ft, subsiding to 5 to 6 ft after midnight. A slight chance of
showers in the evening.
.FRI...NW winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
showers.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT...N winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...N winds 10 kt. Seas 3 to 4 ft.
$$