371
FZUS52 KCHS 271224
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
724 AM 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

AMZ300-280100-
724 AM 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.

$$

AMZ330-280100-
Charleston Harbor-
724 AM EST Thu Nov 27 2025

.TODAY...N winds 10 kt.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt.
.FRI...N winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to
10 kt in the afternoon.
.FRI NIGHT...N winds 5 to 10 kt.
.SAT...NE winds 10 kt.
.SAT NIGHT...NE winds 10 kt.
.SUN...SE winds 5 to 10 kt. A slight chance of showers.
.SUN NIGHT...W winds 5 kt. A chance of showers.
.MON...N winds 10 kt. A slight chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. A chance of showers with a
slight chance of tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 63 degrees.

$$

AMZ350-280100-
Waters from South Santee River to Edisto Beach SC out 20 NM-
724 AM EST Thu Nov 27 2025

.TODAY...N winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt with gusts to 20 kt late this morning and early
afternoon, then becoming NW late. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and NW 2 ft at 4 seconds.
.TONIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 6 seconds,
becoming E 3 ft at 6 seconds and NW 2 ft at 3 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 3 ft at 4 seconds, becoming NE 3 ft at
6 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 6 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.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 5 seconds.
.SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.MON NIGHT...NE winds 15 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-280100-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
724 AM EST Thu Nov 27 2025

.TODAY...N winds 15 to 20 kt, diminishing to 10 to 15 kt late
this morning. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds
and E 2 ft at 8 seconds.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight. Wave Detail: NW 3 ft
at 3 seconds and E 2 ft at 7 seconds, becoming NW 3 ft at
4 seconds and E 2 ft at 7 seconds.
.FRI...N winds 15 to 20 kt, becoming NW 10 kt in the afternoon.
Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave
Detail: NW 3 ft at 4 seconds and E 2 ft at 7 seconds, becoming NW
2 ft at 3 seconds and NE 2 ft at 6 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 6 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.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 3 ft
at 5 seconds.
.SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ354-280100-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
724 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH FRIDAY MORNING...

.TODAY...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 4 seconds and E 2 ft at 8 seconds.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: NW 3 ft at 4 seconds and E 2 ft at 7 seconds.
.FRI...N winds 15 to 20 kt with gusts to 25 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 NE
3 ft at 7 seconds, becoming N 3 ft at 5 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 6 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 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.
.SUN...SE winds 10 kt. Seas 3 ft. A slight chance of showers.
.SUN NIGHT...S winds 10 kt. Seas 3 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ374-280100-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
724 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH FRIDAY MORNING...

.TODAY...NW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 4 seconds and E 2 ft at 8 seconds.
.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 8 seconds.
.FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. 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...N winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: N 4 ft at 5 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 5 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 6 seconds.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.
.MON...N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers.

$$