Coastal Waters Forecast
Issued by NWS Charleston, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS52 KCHS 222217
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
617 PM EDT Fri Mar 22 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

AMZ300-231130-
617 PM EDT Fri Mar 22 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A storm system will impact the area tonight through Saturday,
followed by high pressure through early next week. A cold front
will approach the area around the middle of next week.

$$

AMZ330-231130-
Charleston Harbor-
617 PM EDT Fri Mar 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT SATURDAY...

.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt, becoming S
after midnight, then SW late. Waves 1 to 2 ft. A slight chance of
tstms. Showers until early morning, then a chance of showers
late.
.SAT...SW winds 5 to 10 kt. A slight chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.SAT NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts to 30 kt. Waves 1 to 2 ft. A chance of showers
with a slight chance of tstms in the evening.
.SUN...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Gusts to 30 kt. Waves 1 to 2 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts to 20 kt.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...E winds 10 kt.
.TUE...E winds 10 kt.
.TUE NIGHT...SE winds 10 kt.
.WED...S winds 10 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.

$$

AMZ350-231130-
Waters from South Santee River to Edisto Beach SC out 20 NM-
617 PM EDT Fri Mar 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING...

.TONIGHT...SE winds 15 to 20 kt, becoming S 20 to 25 kt with gusts
to 30 kt late this evening, then SW 15 to 20 kt late. Seas 4 to 6
ft, building to 7 to 10 ft. A slight chance of tstms. Showers
until early morning, then a chance of showers late.
.SAT...SW winds 10 to 15 kt with gusts to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to
8 ft in the afternoon. A chance of showers with a slight chance
of tstms.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 30 kt, becoming N
25 to 30 kt with gusts to 40 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 6 to 8 ft.
.SUN NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
7 ft.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 5 to 7 ft, subsiding to 4 to 6 ft in the
afternoon.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.WED...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.WED NIGHT...SW winds 5 to 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.

$$

AMZ352-231130-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
617 PM EDT Fri Mar 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING...

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

$$

AMZ354-231130-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
617 PM EDT Fri Mar 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING...

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

Winds and seas higher in and near tstms.

$$

AMZ374-231130-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
617 PM EDT Fri Mar 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING...

.TONIGHT...SE winds 15 to 20 kt with gusts to 30 kt, becoming S
20 to 25 kt with gusts to 30 kt late this evening, then SW 15 to
20 kt with gusts to 25 kt late. Seas 6 to 8 ft. A slight chance
of tstms.
.SAT...SW winds 15 to 20 kt with gusts to 25 kt, diminishing to
5 to 10 kt in the afternoon. Seas 6 to 8 ft. A chance of showers
with a slight chance of tstms.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 25 kt, becoming N
25 to 30 kt with gusts to 40 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...NE winds 20 to 25 kt. Gusts to 40 kt in the morning. Seas
8 to 10 ft.
.SUN NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 7 to
9 ft.
.MON...NE winds 15 kt with gusts to 20 kt. Seas 7 to 9 ft,
subsiding to 6 to 8 ft in the afternoon.
.MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE...SE winds 10 to 15 kt. Seas 6 to 7 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...S winds 10 to 15 kt. Seas 4 to 6 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.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.