099
FZUS52 KCHS 180515
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
115 AM EDT Thu Jul 18 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

AMZ300-181815-
115 AM EDT Thu Jul 18 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will persist offshore, while a weak trough resides
inland. A cold front will approach the region late week and
likely stall nearby, before High pressure returns next week.

$$

AMZ330-181815-
Charleston Harbor-
115 AM EDT Thu Jul 18 2024

.REST OF TONIGHT...SW winds 5 to 10 kt. A slight chance of
showers and tstms late.
.THU...SW winds 10 to 15 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Showers
and tstms likely.
.FRI...SW winds 10 to 15 kt. Showers and tstms likely.
.FRI NIGHT...S winds 10 kt. Showers and tstms likely.
.SAT...SW winds 5 to 10 kt. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.SAT NIGHT...S winds 10 kt. Showers and tstms likely, mainly in
the evening.
.SUN...SW winds 5 to 10 kt. Showers and tstms likely.
.SUN NIGHT...S winds 10 kt. A chance of showers and tstms.
.MON...S winds 5 to 10 kt. Showers and tstms likely.
.MON NIGHT...S winds 10 kt. A chance of showers and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 87 degrees.

$$

AMZ350-181815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
115 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas
4 to 5 ft. Wave Detail: S 5 ft at 7 seconds. A slight chance of
showers and tstms.
.THU...SW winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to 3 to 4
ft in the afternoon. Wave Detail: S 5 ft at 7 seconds, becoming S
4 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of showers
and tstms.
.THU NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds.
Showers and tstms likely.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers and tstms likely.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 2 ft at 9 seconds. Showers and tstms likely.
.SAT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. Showers and tstms
likely, mainly in the evening.
.SUN...SW winds 10 kt. Seas 3 ft. A chance of showers and tstms.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.MON...S winds 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-181815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
115 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8
seconds. A slight chance of showers and tstms late.
.THU...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 7 seconds. A slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. Showers and tstms
likely.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: S 3 ft at 5 seconds and SE
2 ft at 8 seconds, becoming SE 3 ft at 7 seconds. Showers and
tstms likely.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 8 seconds and S 2 ft at 5 seconds. Showers and tstms likely.
.SAT...SW winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A
chance of showers and tstms in the morning, then showers and
tstms likely in the afternoon.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers and
tstms likely, mainly in the evening.
.SUN...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.MON...S winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-181815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
115 AM EDT Thu Jul 18 2024

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: S 4 ft at 5 seconds and E 2 ft at 8 seconds. A slight
chance of showers and tstms late.
.THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers
and tstms in the morning, then a chance of showers and tstms in
the afternoon.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. Showers and tstms
likely.
.FRI...SW winds 10 to 15 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at
8 seconds. A chance of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and SE 3 ft at 9 seconds. Showers and tstms
likely.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and S 2 ft at 5 seconds. A chance of showers and
tstms in the morning, then showers and tstms likely in the
afternoon.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers and
tstms likely, mainly in the evening.
.SUN...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.MON...S winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-181815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
115 AM EDT Thu Jul 18 2024

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 4 ft. Wave Detail:
S 4 ft at 5 seconds and E 2 ft at 8 seconds. A slight chance of
showers and tstms.
.THU...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave
Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. A slight
chance of showers and tstms in the morning, then a chance of
showers and tstms in the afternoon.
.THU NIGHT...S winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers
and tstms in the evening, then showers and tstms likely after
midnight.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely,
mainly in the morning.
.FRI NIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: SE 3 ft at 9 seconds. A chance of showers and tstms.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.SUN...S winds 10 kt. Seas 3 ft. A chance of showers and tstms.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.MON...S winds 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$