FZUS52 KCHS 280534
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1234 AM EST Sun Dec 28 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
AMZ300-281830-
1234 AM EST Sun Dec 28 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A weak cold front will briefly stall near the Savannah River this
morning before lifting north this afternoon. A cold front will
move through the area Monday with high pressure prevailing for
the rest of the week.
$$
AMZ330-281830-
Charleston Harbor-
1234 AM EST Sun Dec 28 2025
.REST OF TONIGHT...E winds 5 kt.
.SUN...E winds 5 to 10 kt. A slight chance of showers in the
afternoon.
.SUN NIGHT...S winds 5 kt, becoming SW after midnight. Patchy fog.
The fog could be locally dense with vsby 1 NM or less.
.MON...SW winds 10 to 15 kt with gusts to 20 kt. A slight chance
of showers in the afternoon.
.MON NIGHT...NW winds 15 to 20 kt.
.TUE...NW winds 5 to 10 kt.
.TUE NIGHT...NW winds 5 kt.
.WED...W winds 5 to 10 kt.
.WED NIGHT...W winds 10 kt.
.THU...W winds 10 kt.
.THU NIGHT...W winds 10 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 56 degrees.
$$
AMZ350-281830-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY MORNING...
.REST OF TONIGHT...E winds 5 to 10 kt. Seas 1 to 2 ft. Wave
Detail: E 2 ft at 11 seconds and S 1 foot at 5 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
11 seconds and SE 1 foot at 4 seconds. A slight chance of showers
in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft. Wave Detail: E 3 ft at 7 seconds and SW 1 foot at 3
seconds, becoming SW 3 ft at 4 seconds and E 3 ft at 9 seconds.
Patchy fog. The fog could be locally dense with vsby 1 NM or
less.
.MON...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft, building to 4 to 6 ft. Wave Detail: SW
4 ft at 5 seconds and E 2 ft at 11 seconds, becoming SW 5 ft at 6
seconds and E 2 ft at 11 seconds. Patchy dense fog in the
morning. A slight chance of showers in the afternoon.
.MON NIGHT...W winds 20 to 25 kt with gusts to 30 kt, becoming NW
15 to 20 kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 5 ft.
Wave Detail: W 5 ft at 7 seconds and E 1 foot at 11 seconds,
becoming NW 5 ft at 6 seconds and E 1 foot at 11 seconds.
.TUE...NW winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft.
Wave Detail: NW 4 ft at 5 seconds and NE 1 foot at 10 seconds,
becoming NW 2 ft at 4 seconds and NE 1 foot at 7 seconds.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 1 to 2 ft.
.WED...W winds 10 to 15 kt. Seas 1 to 2 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...W winds 15 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft.
$$
AMZ352-281830-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...
.REST OF TONIGHT...SE winds 5 kt. Seas 1 to 2 ft. Wave Detail: E
2 ft at 10 seconds and S 1 foot at 4 seconds. Patchy fog.
.SUN...E winds 5 to 10 kt, becoming S in the afternoon. Seas
1 to 2 ft. Wave Detail: E 2 ft at 10 seconds and S 1 foot at
3 seconds. Patchy fog. The fog could be locally dense this
afternoon with vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
2 ft at 10 seconds. Patchy fog. The fog could be locally dense
with vsby 1 NM or less.
.MON...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft,
building to 4 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and E 2
ft at 9 seconds, becoming SW 4 ft at 5 seconds and E 2 ft at 11
seconds. A chance of showers in the afternoon.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 5 seconds and E 2 ft at 11 seconds.
.TUE...NW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft. Wave Detail: NW 3 ft at 4 seconds and E 1 foot at 10
seconds, becoming NW 2 ft at 4 seconds and E 1 foot at 8 seconds.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 1 to 2 ft.
.WED...W winds 5 to 10 kt. Seas 1 to 2 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...W winds 15 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 15 kt. Seas 2 to 3 ft.
$$
AMZ354-281830-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...
.REST OF TONIGHT...W winds 5 kt. Seas 1 to 2 ft. Wave Detail: E 2
ft at 11 seconds and S 1 foot at 3 seconds. Patchy fog.
.SUN...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
11 seconds and SW 1 foot at 3 seconds. Patchy fog. The fog could
be locally dense this afternoon with vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E
2 ft at 11 seconds. Patchy fog. The fog could locally dense with vsby
1 NM or less.
.MON...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: SW 4 ft at 4 seconds and E 2 ft at 9 seconds. A
chance of showers in the afternoon.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 4 seconds and E 2 ft at 11 seconds.
.TUE...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft. Wave Detail:
NW 4 ft at 4 seconds and E 2 ft at 11 seconds, becoming NW 3 ft at
4 seconds and NE 2 ft at 8 seconds.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...W winds 10 kt. Seas 2 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 ft.
.THU...W winds 15 kt. Seas 2 ft.
.THU NIGHT...W winds 15 kt. Seas 2 ft.
$$
AMZ374-281830-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...
.REST OF TONIGHT...W winds 5 kt, becoming NW late. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds and SW 1 foot at
3 seconds.
.SUN...W winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
11 seconds and SW 1 foot at 3 seconds. Patchy fog this afternoon.
The fog could be locally dense with vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft. Wave Detail: E 2 ft at 10 seconds and SW 1 foot at 2
seconds, becoming SW 3 ft at 4 seconds and E 3 ft at 10 seconds.
Patchy fog. The fog could be locally dense with vsby 1 NM or
less.
.MON...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft.
Wave Detail: SW 5 ft at 5 seconds and E 3 ft at 10 seconds. A
chance of showers in the afternoon.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to
7 ft. Wave Detail: W 6 ft at 5 seconds and E 3 ft at 11 seconds.
.TUE...NW winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to
4 ft. Wave Detail: NW 5 ft at 5 seconds and E 2 ft at 11 seconds,
becoming NW 4 ft at 5 seconds and NE 2 ft at 11 seconds.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...W winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft.
.THU...W winds 15 to 20 kt. Seas 3 to 4 ft.
.THU NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1234 AM EST Sun Dec 28 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
AMZ300-281830-
1234 AM EST Sun Dec 28 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A weak cold front will briefly stall near the Savannah River this
morning before lifting north this afternoon. A cold front will
move through the area Monday with high pressure prevailing for
the rest of the week.
$$
AMZ330-281830-
Charleston Harbor-
1234 AM EST Sun Dec 28 2025
.REST OF TONIGHT...E winds 5 kt.
.SUN...E winds 5 to 10 kt. A slight chance of showers in the
afternoon.
.SUN NIGHT...S winds 5 kt, becoming SW after midnight. Patchy fog.
The fog could be locally dense with vsby 1 NM or less.
.MON...SW winds 10 to 15 kt with gusts to 20 kt. A slight chance
of showers in the afternoon.
.MON NIGHT...NW winds 15 to 20 kt.
.TUE...NW winds 5 to 10 kt.
.TUE NIGHT...NW winds 5 kt.
.WED...W winds 5 to 10 kt.
.WED NIGHT...W winds 10 kt.
.THU...W winds 10 kt.
.THU NIGHT...W winds 10 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 56 degrees.
$$
AMZ350-281830-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY MORNING...
.REST OF TONIGHT...E winds 5 to 10 kt. Seas 1 to 2 ft. Wave
Detail: E 2 ft at 11 seconds and S 1 foot at 5 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
11 seconds and SE 1 foot at 4 seconds. A slight chance of showers
in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft. Wave Detail: E 3 ft at 7 seconds and SW 1 foot at 3
seconds, becoming SW 3 ft at 4 seconds and E 3 ft at 9 seconds.
Patchy fog. The fog could be locally dense with vsby 1 NM or
less.
.MON...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft, building to 4 to 6 ft. Wave Detail: SW
4 ft at 5 seconds and E 2 ft at 11 seconds, becoming SW 5 ft at 6
seconds and E 2 ft at 11 seconds. Patchy dense fog in the
morning. A slight chance of showers in the afternoon.
.MON NIGHT...W winds 20 to 25 kt with gusts to 30 kt, becoming NW
15 to 20 kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 5 ft.
Wave Detail: W 5 ft at 7 seconds and E 1 foot at 11 seconds,
becoming NW 5 ft at 6 seconds and E 1 foot at 11 seconds.
.TUE...NW winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft.
Wave Detail: NW 4 ft at 5 seconds and NE 1 foot at 10 seconds,
becoming NW 2 ft at 4 seconds and NE 1 foot at 7 seconds.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 1 to 2 ft.
.WED...W winds 10 to 15 kt. Seas 1 to 2 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...W winds 15 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft.
$$
AMZ352-281830-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...
.REST OF TONIGHT...SE winds 5 kt. Seas 1 to 2 ft. Wave Detail: E
2 ft at 10 seconds and S 1 foot at 4 seconds. Patchy fog.
.SUN...E winds 5 to 10 kt, becoming S in the afternoon. Seas
1 to 2 ft. Wave Detail: E 2 ft at 10 seconds and S 1 foot at
3 seconds. Patchy fog. The fog could be locally dense this
afternoon with vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
2 ft at 10 seconds. Patchy fog. The fog could be locally dense
with vsby 1 NM or less.
.MON...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft,
building to 4 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and E 2
ft at 9 seconds, becoming SW 4 ft at 5 seconds and E 2 ft at 11
seconds. A chance of showers in the afternoon.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 5 seconds and E 2 ft at 11 seconds.
.TUE...NW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft. Wave Detail: NW 3 ft at 4 seconds and E 1 foot at 10
seconds, becoming NW 2 ft at 4 seconds and E 1 foot at 8 seconds.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 1 to 2 ft.
.WED...W winds 5 to 10 kt. Seas 1 to 2 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...W winds 15 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 15 kt. Seas 2 to 3 ft.
$$
AMZ354-281830-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...
.REST OF TONIGHT...W winds 5 kt. Seas 1 to 2 ft. Wave Detail: E 2
ft at 11 seconds and S 1 foot at 3 seconds. Patchy fog.
.SUN...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
11 seconds and SW 1 foot at 3 seconds. Patchy fog. The fog could
be locally dense this afternoon with vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E
2 ft at 11 seconds. Patchy fog. The fog could locally dense with vsby
1 NM or less.
.MON...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: SW 4 ft at 4 seconds and E 2 ft at 9 seconds. A
chance of showers in the afternoon.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 4 seconds and E 2 ft at 11 seconds.
.TUE...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft. Wave Detail:
NW 4 ft at 4 seconds and E 2 ft at 11 seconds, becoming NW 3 ft at
4 seconds and NE 2 ft at 8 seconds.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...W winds 10 kt. Seas 2 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 ft.
.THU...W winds 15 kt. Seas 2 ft.
.THU NIGHT...W winds 15 kt. Seas 2 ft.
$$
AMZ374-281830-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1234 AM EST Sun Dec 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...
.REST OF TONIGHT...W winds 5 kt, becoming NW late. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds and SW 1 foot at
3 seconds.
.SUN...W winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
11 seconds and SW 1 foot at 3 seconds. Patchy fog this afternoon.
The fog could be locally dense with vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft. Wave Detail: E 2 ft at 10 seconds and SW 1 foot at 2
seconds, becoming SW 3 ft at 4 seconds and E 3 ft at 10 seconds.
Patchy fog. The fog could be locally dense with vsby 1 NM or
less.
.MON...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft.
Wave Detail: SW 5 ft at 5 seconds and E 3 ft at 10 seconds. A
chance of showers in the afternoon.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to
7 ft. Wave Detail: W 6 ft at 5 seconds and E 3 ft at 11 seconds.
.TUE...NW winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to
4 ft. Wave Detail: NW 5 ft at 5 seconds and E 2 ft at 11 seconds,
becoming NW 4 ft at 5 seconds and NE 2 ft at 11 seconds.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...W winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft.
.THU...W winds 15 to 20 kt. Seas 3 to 4 ft.
.THU NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft.
$$