758
FZUS52 KCHS 092337
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
737 PM EDT Sun Mar 9 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

AMZ300-101215-
737 PM EDT Sun Mar 9 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Low pressure will approach the area from the Florida Panhandle
tonight, before it moves into the nearby Atlantic Monday. The low
will then strengthen as it pulls away Monday night, with high
pressure to then prevail through much of the rest of the week.

$$

AMZ330-101215-
Charleston Harbor-
737 PM EDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY MORNING...

.TONIGHT...NE winds 10 to 15 kt. A chance of showers early this
evening, then showers with a slight chance of tstms late this
evening.
.MON...NE winds 15 kt with gusts to 20 kt. A slight chance of
tstms. Showers.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft. Showers likely.
.TUE...NW winds 15 kt with gusts to 20 kt, diminishing to 10 kt
in the afternoon.
.TUE NIGHT...SW winds 5 to 10 kt.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon.
.WED NIGHT...S winds 5 to 10 kt.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...S winds 5 to 10 kt.
.FRI...SE winds 5 to 10 kt.
.FRI NIGHT...SE winds 5 to 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 57 degrees.

$$

AMZ350-101215-
Waters from South Santee River to Edisto Beach SC out 20 NM-
737 PM EDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
MORNING...

.TONIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: NE 5 ft at 6 seconds and
SE 1 foot at 9 seconds, becoming E 4 ft at 6 seconds and SE
1 foot at 9 seconds. Showers with a slight chance of tstms.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: SE 5 ft at 6 seconds and SE 1 foot at 9 seconds. A
slight chance of tstms. Showers.
.MON NIGHT...N winds 20 to 25 kt with gusts to 30 kt, becoming NW
25 to 30 kt with gusts to 40 kt after midnight. Seas 4 to 6 ft,
building to 5 to 7 ft after midnight. Wave Detail: NE 5 ft at
6 seconds and S 3 ft at 7 seconds, becoming NW 4 ft at 4 seconds
and NE 4 ft at 7 seconds. Showers.
.TUE...N winds 20 to 25 kt with gusts to 35 kt, becoming NW 10 to
15 kt with gusts to 20 kt in the afternoon. Seas 4 to 6 ft,
subsiding to 3 to 4 ft in the afternoon. Wave Detail: NW 4 ft at
4 seconds and NE 4 ft at 7 seconds, becoming E 4 ft at 8 seconds
and W 2 ft at 4 seconds.
.TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and W 1 foot at 3 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-101215-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
737 PM EDT Sun Mar 9 2025

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

.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: E 5 ft
at 6 seconds and SE 1 foot at 9 seconds, becoming E 5 ft at
6 seconds. Showers with a slight chance of tstms.
.MON...NE winds 15 to 20 kt, becoming N 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 6 seconds and
SE 1 foot at 9 seconds. A slight chance of tstms. Showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Seas 4 to
5 ft. Wave Detail: NW 5 ft at 4 seconds and SE 3 ft at 8 seconds.
Showers likely, mainly in the evening.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt, becoming W 10 to
15 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in
the afternoon. Wave Detail: NW 4 ft at 4 seconds and E 2 ft at
7 seconds, becoming W 2 ft at 4 seconds and E 2 ft at 8 seconds.
.TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and W 1 foot at 3 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.FRI...SE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-101215-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
737 PM EDT Sun Mar 9 2025

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

.TONIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt late.
Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight. Wave
Detail: NE 5 ft at 6 seconds and E 1 foot at 9 seconds, becoming
E 5 ft at 6 seconds. Showers with a slight chance of tstms.
.MON...E winds 10 to 15 kt, becoming NW in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 6 seconds. A slight chance of
tstms. Showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 4 to
5 ft. Wave Detail: NW 4 ft at 4 seconds and NE 3 ft at 6 seconds.
A chance of showers, mainly in the evening.
.TUE...NW winds 15 to 20 kt with gusts to 25 kt, becoming W 5 to
10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in
the afternoon. Wave Detail: NW 4 ft at 4 seconds and SE 2 ft at
7 seconds, becoming N 2 ft at 5 seconds and E 1 foot at
8 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 8 seconds.
.WED...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-101215-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
737 PM EDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
MORNING...

.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt, becoming E
late. Seas 5 to 6 ft, subsiding to 4 to 5 ft after midnight. Wave
Detail: NE 6 ft at 6 seconds and SE 1 foot at 9 seconds, becoming
NE 5 ft at 7 seconds and SE 1 foot at 9 seconds. Showers with a
slight chance of tstms.
.MON...S winds 15 to 20 kt, becoming SW in the afternoon. Seas
4 to 5 ft. Wave Detail: NE 5 ft at 6 seconds and S 5 ft at
6 seconds. A slight chance of tstms. Showers.
.MON NIGHT...NW winds 25 to 30 kt with gusts to 40 kt. Seas 6 to
8 ft. Wave Detail: NW 7 ft at 6 seconds and S 4 ft at 6 seconds.
A chance of showers, mainly in the evening.
.TUE...NW winds 20 to 25 kt with gusts to 35 kt, diminishing to
15 to 20 kt in the afternoon. Seas 5 to 7 ft, subsiding to 4 to
6 ft in the afternoon. Wave Detail: NW 7 ft at 6 seconds and E
1 foot at 7 seconds, becoming NW 5 ft at 6 seconds and E 2 ft at
8 seconds.
.TUE NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE
4 ft at 8 seconds.
.WED...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 4 ft. Wave Detail: NE 4 ft at 9 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$