Coastal Waters Forecast
Issued by NWS Charleston, SC

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787
FZUS52 KCHS 171428
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1028 AM EDT Wed Jul 17 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

AMZ300-180330-
1028 AM EDT Wed Jul 17 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 today. A cold front will approach the region late week and
likely stall nearby, before high pressure returns next week.

$$

AMZ330-180330-
Charleston Harbor-
1028 AM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
6 PM EDT THIS EVENING...

.REST OF TODAY...SW winds 10 to 15 kt, gusts to 25 kt this
afternoon. A chance of showers and tstms this afternoon.
.TONIGHT...SW winds 10 to 15 kt. Gusts to 25 kt in the evening. A
chance of showers and tstms.
.THU...SW winds 10 to 15 kt. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt,
diminishing to 5 to 10 kt after midnight. Showers and tstms
likely.
.FRI...SW winds 5 to 10 kt. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Showers and tstms.
.SAT...SW winds 5 to 10 kt. Showers and tstms likely.
.SAT NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.
.SUN...SW winds 5 to 10 kt. Showers and tstms likely.
.SUN 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.

$$

AMZ350-180330-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1028 AM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...SW winds 15 to 20 kt with gusts up to 25 kt,
becoming S. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and
SE 2 ft at 9 seconds.
.TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: S 5 ft at 5 seconds and SE 2 ft at 8 seconds.
A chance of showers and tstms.
.THU...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: 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, diminishing to 10 to 15 kt
after midnight. 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 3 ft at 8 seconds. Showers and tstms.
.SAT...SW winds 10 kt. Seas 3 ft. Showers and tstms likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 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.

Winds and seas higher in and near tstms.

$$

AMZ352-180330-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1028 AM EDT Wed Jul 17 2024

.REST OF TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt
with gusts to 25 kt. Seas 2 to 3 ft, building to 3 to 4 ft this
afternoon. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8
seconds.
.TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: S 4 ft
at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and
tstms.
.THU...SW winds 10 to 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
chance of showers and tstms.
.THU NIGHT...SW winds 10 to 15 kt with gusts 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 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 S 2 ft at 5 seconds and SE 2 ft at 8 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.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-180330-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1028 AM EDT Wed Jul 17 2024

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

Winds and seas higher in and near tstms.

$$

AMZ374-180330-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1028 AM EDT Wed Jul 17 2024

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

Winds and seas higher in and near tstms.

$$