Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 230709
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
309 AM EDT Sat Mar 23 2024

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

AMZ300-232015-
309 AM EDT Sat Mar 23 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Low pressure will move away from the area today, then a cold
front will sweep through this afternoon. High pressure will build
in Sunday through Monday night. A storm system will impact the
area Wednesday into Thursday, followed by high pressure.

$$

AMZ330-232015-
Charleston Harbor-
309 AM EDT Sat Mar 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...

.TODAY...SW winds 10 to 15 kt, becoming NW this afternoon. A
chance of showers. A slight chance of tstms this afternoon.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers with a slight chance of tstms in the evening.
.SUN...N winds 20 kt with gusts to 30 kt, becoming NE with gusts
to 20 kt in the afternoon. Waves 2 to 3 ft.
.SUN NIGHT...NE winds 10 to 15 kt.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...E winds 10 kt.
.TUE...E winds 10 to 15 kt.
.TUE NIGHT...SE winds 10 kt.
.WED...S winds 10 to 15 kt. A chance of showers with a slight
chance of tstms.
.WED NIGHT...SW 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 62 degrees.

$$

AMZ350-232015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
309 AM EDT Sat Mar 23 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.TODAY...SW winds 10 to 15 kt, becoming W 5 to 10 kt this
afternoon. Seas 8 to 10 ft, subsiding to 6 to 8 ft this
afternoon. A chance of showers. A slight chance of tstms this
afternoon.
.TONIGHT...N winds 20 to 25 kt, increasing to 25 to 30 kt with
gusts to 35 kt after midnight. Seas 5 to 7 ft, building to 6 to 8
ft after midnight. A chance of showers with a slight chance of
tstms in the evening.
.SUN...N winds 25 to 30 kt with gusts to 35 kt, becoming NE 20 to
25 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to 8 ft in
the afternoon.
.SUN NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 6 to
7 ft, subsiding to 5 to 7 ft after midnight.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.WED...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers
with a slight chance of tstms.
.WED NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-232015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
309 AM EDT Sat Mar 23 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.TODAY...SW winds 10 to 15 kt, diminishing to 5 to 10 kt late
this morning and early afternoon, then becoming NW late. Seas
6 to 8 ft, subsiding to 5 to 7 ft this afternoon. Showers likely
this morning, then a chance of showers with a slight chance of
tstms this afternoon.
.TONIGHT...N winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts to 35 kt after midnight. Seas 4 to 6 ft, building to 5 to 7
ft after midnight. A chance of showers with a slight chance of
tstms in the evening.
.SUN...N winds 20 to 25 kt with gusts to 35 kt, becoming NE 15 to
20 kt in the afternoon. Seas 6 to 8 ft, subsiding to 5 to 7 ft in
the afternoon.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft, subsiding to
5 to 6 ft after midnight.
.MON...NE winds 15 to 20 kt. Seas 5 to 7 ft, subsiding to 5 to
6 ft in the afternoon.
.MON NIGHT...E winds 15 kt. Seas 5 to 6 ft, subsiding to 4 to
6 ft after midnight.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. A slight
chance of showers.
.WED...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers
with a slight chance of tstms.
.WED NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-232015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
309 AM EDT Sat Mar 23 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.TODAY...SW winds 10 to 15 kt, diminishing to 5 to 10 kt late
this morning and early afternoon, then becoming NW late. Seas
5 to 7 ft, subsiding to 4 to 5 ft this afternoon. Showers likely
this morning, then a chance of showers and tstms this afternoon.
.TONIGHT...N winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts to 35 kt after midnight. Seas 4 to 5 ft, building to 4 to 6
ft after midnight. A chance of showers and tstms in the evening.
.SUN...NE winds 20 to 25 kt with gusts to 35 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON...NE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. A slight
chance of showers and tstms.
.WED...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers
and tstms.
.WED NIGHT...S winds 10 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-232015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
309 AM EDT Sat Mar 23 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.TODAY...SW winds 15 to 20 kt with gusts to 25 kt, becoming W
10 to 15 kt with gusts to 20 kt late this morning and early
afternoon, then becoming 10 kt late. Seas 7 to 9 ft, subsiding to
6 to 8 ft this afternoon. A chance of showers this morning, then
a slight chance of showers early this afternoon. A chance of
showers with a slight chance of tstms late.
.TONIGHT...N winds 20 to 25 kt, increasing to 25 to 30 kt with
gusts to 35 kt after midnight. Seas 5 to 7 ft, building to 7 to 9
ft after midnight. A chance of showers with a slight chance of
tstms in the evening, then a slight chance of showers after
midnight.
.SUN...N winds 25 to 30 kt with gusts to 35 kt, becoming NE 20 to
25 kt in the afternoon. Seas 8 to 10 ft.
.SUN NIGHT...NE winds 20 kt with gusts to 25 kt. Seas 7 to 9 ft.
.MON...NE winds 15 to 20 kt. Seas 7 to 9 ft, subsiding to 6 to
8 ft in the afternoon.
.MON NIGHT...E winds 15 kt. Seas 6 to 8 ft, subsiding to 6 to
7 ft after midnight.
.TUE...SE winds 10 to 15 kt. Seas 6 to 7 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft.
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft. A chance of showers
with a slight chance of tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$


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