385
FZUS52 KCHS 272140
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 PM EST Thu Nov 27 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

AMZ300-281000-
439 PM EST Thu Nov 27 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the weekend. A low pressure
system could impact the area early next week.

$$

AMZ330-281000-
Charleston Harbor-
439 PM EST Thu Nov 27 2025

.TONIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight.
.FRI...N winds 5 to 10 kt.
.FRI NIGHT...N winds 5 to 10 kt.
.SAT...NE winds 10 kt.
.SAT NIGHT...NE winds 5 to 10 kt.
.SUN...SE winds 5 kt.
.SUN NIGHT...SE winds 5 kt, becoming N after midnight. A slight
chance of showers in the evening, then a chance of showers after
midnight.
.MON...NE winds 10 to 15 kt. A chance of showers.
.MON NIGHT...NE winds 10 kt. A chance of showers with a slight
chance of tstms.
.TUE...SW winds 10 to 15 kt. Showers likely with a slight chance
of tstms.
.TUE NIGHT...NW winds 10 kt. A chance of showers.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 64 degrees.

$$

AMZ350-281000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 PM EST Thu Nov 27 2025

.TONIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E
2 ft at 6 seconds.
.FRI...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at
7 seconds, becoming NE 2 ft at 5 seconds and NW 1 foot at
3 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 5 seconds and NW 1 foot at 3 seconds.
.SAT...NE winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 5 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 5 seconds and SE 1 foot at 8 seconds.
.SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 5 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...SE winds 5 kt, becoming N after midnight. Seas 2 to
3 ft. A slight chance of showers in the evening, then a chance of
showers after midnight.
.MON...NE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely
with a slight chance of tstms.
.TUE...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely with
a slight chance of tstms.
.TUE NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ352-281000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 PM EST Thu Nov 27 2025

.TONIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt late
this evening. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds
and E 1 foot at 8 seconds.
.FRI...N winds 15 to 20 kt, diminishing to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and
SE 1 foot at 7 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 5 seconds and NW 1 foot at 3 seconds.
.SAT...NE winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 4 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 3 ft
at 5 seconds and SE 1 foot at 8 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
6 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers in the evening, then a chance of showers after
midnight.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...E winds 15 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.TUE...SW winds 15 kt. Seas 4 to 5 ft. Showers likely.
.TUE NIGHT...W winds 15 kt. Seas 4 to 5 ft. A chance of showers.

Winds and seas higher in and near tstms.

$$

AMZ354-281000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 PM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: N 3 ft at 4 seconds and E 1 foot at 8 seconds.
.FRI...N 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 in the
afternoon. Wave Detail: N 3 ft at 4 seconds and E 1 foot at
7 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
NE 3 ft at 4 seconds and E 1 foot at 7 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 seconds and SE 1 foot at 8 seconds.
.SAT NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 5 seconds
and SE 1 foot at 8 seconds.
.SUN...E winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers in the evening, then a chance of showers after
midnight.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...E winds 15 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.TUE...SW winds 15 kt. Seas 4 to 5 ft. Showers likely.
.TUE NIGHT...W winds 15 kt. Seas 4 to 5 ft. A chance of showers.

Winds and seas higher in and near tstms.

$$

AMZ374-281000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 PM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: NW 5 ft at 5 seconds and E 2 ft at 9 seconds.
.FRI...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft,
subsiding to 3 to 4 ft in the afternoon. Wave Detail: N 5 ft at
5 seconds and E 2 ft at 7 seconds, becoming NE 4 ft at 6 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: E 3 ft at 7 seconds,
becoming NE 3 ft at 4 seconds and E 3 ft at 8 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds and NE 3 ft at 4 seconds.
.SAT NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 7 seconds. A slight chance of
showers and tstms in the evening.
.SUN...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 7 seconds. A slight chance of showers in the afternoon.
.SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance
of showers in the evening, then a chance of showers after
midnight.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...E winds 15 kt. Seas 4 to 5 ft. A chance of showers
with a slight chance of tstms.
.TUE...SW winds 15 to 20 kt. Seas 5 to 7 ft. Showers likely.
.TUE NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$