096
FZUS52 KCHS 251900
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
300 PM EDT Wed Sep 25 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

AMZ300-260715-
300 PM EDT Wed Sep 25 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Hurricane Helene is forecast to track northward across the Gulf
of Mexico tonight, then move inland across portions of Florida
and Georgia Thursday into Friday. Multiple impacts are expected
across our area Thursday and Thursday night. Drier weather then
arrives later Friday and persists into the weekend. Refer to the
latest
advisory on Helene issued by the National Hurricane Center.

$$

AMZ330-260715-
Charleston Harbor-
300 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...
...SMALL CRAFT SHOULD REMAIN IN PORT...

.TONIGHT...SE winds 10 to 15 kt. A slight chance of showers and
tstms after midnight. A chance of showers with a slight chance of
tstms late.
.THU...SE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. A slight chance of tstms. A chance of
showers in the morning, then showers in the afternoon.
.THU NIGHT...Tropical storm conditions possible. SE winds 20 to
25 kt, increasing to 25 to 30 kt after midnight. Waves 2 to 4 ft.
Showers with a slight chance of tstms.
.FRI...Tropical storm conditions possible. S winds 25 to 30 kt,
diminishing to 15 to 20 kt in the afternoon. Waves 2 to 4 ft.
Showers likely in the morning. A slight chance of tstms. A chance
of showers in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt. A slight chance of showers
early in the evening.
.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt in the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt with gusts to 20 kt,
diminishing to 5 to 10 kt after midnight.
.SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon.
.SUN NIGHT...W winds 5 to 10 kt.
.MON...NW winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. A slight chance of showers and tstms in the afternoon.
.MON NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. A slight chance of showers and tstms early in the
evening.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 81 degrees.

$$

AMZ350-260715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
300 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...
...SMALL CRAFT SHOULD REMAIN IN PORT...

.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: SE 4 ft
at 6 seconds and E 2 ft at 10 seconds. A slight chance of showers
and tstms after midnight. A chance of showers with a slight
chance of tstms late.
.THU...SE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: SE 6 ft at
7 seconds and E 2 ft at 10 seconds. A slight chance of tstms. A
chance of showers in the morning, then showers in the afternoon.
.THU NIGHT...Tropical storm conditions expected. SE winds 25 to
35 kt with gusts to 45 kt. Seas 8 to 10 ft, building to 10 to
14 ft after midnight. Wave Detail: SE 12 ft at 9 seconds and E
2 ft at 10 seconds. Showers with a slight chance of tstms.
.FRI...Tropical storm conditions possible. S winds 25 to 30 kt,
diminishing to 20 to 25 kt in the afternoon. Gusts to 35 kt in
the afternoon. Seas 10 to 14 ft, subsiding to 8 to 10 ft in the
afternoon. Wave Detail: S 14 ft at 10 seconds. Showers likely in
the morning. A slight chance of tstms. A chance of showers in the
afternoon.
.FRI NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Seas 6 to 8 ft, subsiding to 4 to 6 ft after midnight.
Wave Detail: S 8 ft at 9 seconds and E 2 ft at 11 seconds. A
slight chance of showers early in the evening.
.SAT...SW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds and E
2 ft at 11 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms after midnight.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms early in the morning.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms until late afternoon.
.MON NIGHT...W winds 10 kt, becoming NW after midnight. Seas 2 to
3 ft. A slight chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-260715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
300 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...
...SMALL CRAFT SHOULD REMAIN IN PORT...

.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: SE 4 ft
at 6 seconds and E 2 ft at 10 seconds. A slight chance of showers
and tstms late this evening. A chance of showers with a slight
chance of tstms after midnight.
.THU...SE winds 15 to 20 kt. Gusts to 30 kt. Seas 4 to 5 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: SE 6 ft at
7 seconds and E 1 foot at 10 seconds. A slight chance of tstms.
Showers.
.THU NIGHT...Tropical storm conditions expected. SE winds 25 to
35 kt with gusts to 50 kt. Seas 8 to 10 ft, building to 11 to
15 ft after midnight. Wave Detail: SE 14 ft at 9 seconds. Showers
with a slight chance of tstms.
.FRI...Tropical storm conditions expected. S winds 25 to 35 kt
with gusts to 45 kt, diminishing to 20 to 25 kt with gusts to
35 kt in the afternoon. Seas 9 to 13 ft, subsiding to 7 to 9 ft
in the afternoon. Wave Detail: SE 13 ft at 10 seconds. A chance
of showers with a slight chance of tstms early in the morning,
then a slight chance of showers in the late morning and early
afternoon.
.FRI NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Seas 5 to 7 ft, subsiding to 4 to 6 ft after midnight.
Wave Detail: SE 7 ft at 9 seconds.
.SAT...SW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: SE 4 ft at 7 seconds and E
1 foot at 11 seconds.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms after midnight.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms early in the morning.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.MON...W winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms until late afternoon.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 ft. A slight chance of showers and tstms in the late
evening and overnight.

Winds and seas higher in and near tstms.

$$

AMZ354-260715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
300 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...
...SMALL CRAFT SHOULD REMAIN IN PORT...

.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: SE 5 ft
at 6 seconds and E 2 ft at 10 seconds. A slight chance of tstms.
.THU...Tropical storm conditions possible. SE winds 15 to 20 kt
with gusts to 25 kt, increasing to 20 to 25 kt with gusts to
35 kt in the afternoon. Seas 4 to 6 ft, building to 6 to 8 ft in
the afternoon. Wave Detail: SE 7 ft at 7 seconds and E 2 ft at
10 seconds. A slight chance of tstms. Showers.
.THU NIGHT...Tropical storm conditions expected. SE winds 25 to
35 kt with gusts to 50 kt. Seas 9 to 11 ft, building to 10 to
14 ft after midnight. Wave Detail: SE 14 ft at 9 seconds. A
slight chance of tstms. Showers.
.FRI...Tropical storm conditions expected. S winds 25 to 35 kt
with gusts to 45 kt, diminishing to 20 to 25 kt with gusts to
30 kt in the afternoon. Seas 8 to 10 ft, subsiding to 6 to 8 ft
in the afternoon. Wave Detail: SE 10 ft at 9 seconds. A chance of
showers with a slight chance of tstms early in the morning, then
a slight chance of showers in the late morning and early
afternoon.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
6 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: SE 5 ft
at 8 seconds and E 5 ft at 10 seconds.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: SE 3 ft at 7 seconds and E
2 ft at 12 seconds.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms late.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 ft. A slight chance of
showers and tstms.
.MON...W winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms early in the morning. A slight chance of showers and
tstms in the afternoon.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 ft. A slight chance of showers and tstms early in the
evening. A slight chance of showers and tstms after midnight.

Winds and seas higher in and near tstms.

$$

AMZ374-260715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
300 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...
...SMALL CRAFT SHOULD REMAIN IN PORT...

.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft, building to 5 to 6 ft after midnight. Wave Detail: SE 6 ft
at 6 seconds and E 3 ft at 10 seconds. A slight chance of tstms.
.THU...Tropical storm conditions possible. SE winds 15 to 20 kt
with gusts to 25 kt, increasing to 20 to 25 kt with gusts to
35 kt in the afternoon. Seas 5 to 7 ft, building to 7 to 9 ft in
the afternoon. Wave Detail: SE 8 ft at 7 seconds and E 2 ft at
10 seconds. A slight chance of tstms. Showers likely early in the
morning, then showers in the late morning and afternoon.
.THU NIGHT...Tropical storm conditions expected. SE winds 25 to
35 kt with gusts to 50 kt. Seas 10 to 14 ft, building to 14 to
17 ft after midnight. Wave Detail: SE 16 ft at 9 seconds. A
slight chance of tstms. Showers.
.FRI...Tropical storm conditions possible. S winds 25 to 30 kt
with gusts to 45 kt, diminishing to 20 to 25 kt with gusts to
35 kt in the afternoon. Seas 11 to 15 ft, subsiding to 8 to 10 ft
in the afternoon. Wave Detail: S 15 ft at 9 seconds. A chance of
showers early in the morning. A slight chance of tstms until late
afternoon. A slight chance of showers in the late morning and
afternoon.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft, subsiding to
5 to 7 ft after midnight. Wave Detail: S 7 ft at 8 seconds and E
3 ft at 12 seconds. A slight chance of showers.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds and E
3 ft at 12 seconds. A slight chance of showers early in the
morning.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.
.SUN...W winds 5 to 10 kt. Seas 3 ft. A slight chance of showers
and tstms until late afternoon.
.SUN NIGHT...W winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.

Winds and seas higher in and near tstms.

$$