542
FZUS52 KCHS 181407
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1007 AM EDT Tue Jun 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

AMZ300-190315-
1007 AM EDT Tue Jun 18 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the region early this week. A
trough of low pressure could approach the Southeast U.S coast by
late week.

$$

AMZ330-190315-
Charleston Harbor-
1007 AM EDT Tue Jun 18 2024

.REST OF TODAY...E winds 10 to 15 kt, increasing to 15 to 20 kt
this afternoon.
.TONIGHT...E winds 15 kt.
.WED...E winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
A slight chance of tstms. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.WED NIGHT...E winds 10 to 15 kt. A slight chance of showers and
tstms.
.THU...E winds 10 to 15 kt with gusts to 20 kt. A slight chance
of showers and tstms in the afternoon.
.THU NIGHT...E winds 15 kt with gusts to 20 kt, becoming NE after
midnight. A slight chance of showers and tstms.
.FRI...NE winds 10 to 15 kt. A chance of showers and tstms.
.FRI NIGHT...E winds 5 to 10 kt. A slight chance of showers and
tstms.
.SAT...E winds 5 to 10 kt. A chance of showers and tstms.
.SAT NIGHT...S winds 5 to 10 kt. A slight 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 82 degrees.

$$

AMZ350-190315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1007 AM EDT Tue Jun 18 2024

.REST OF TODAY...E winds 15 to 20 kt. Seas 3 to 4 ft, building to
4 to 5 ft this afternoon. Wave Detail: E 4 ft at 7 seconds and SE
1 foot at 12 seconds, becoming E 5 ft at 7 seconds and SE 1 foot
at 12 seconds. A slight chance of showers and tstms late.
.TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: E
5 ft at 7 seconds and SE 1 foot at 12 seconds. A slight chance of
showers and tstms.
.WED...E winds 15 to 20 kt. Seas 4 to 6 ft, building to 5 to 6 ft
in the afternoon. Wave Detail: E 5 ft at 8 seconds, becoming E
6 ft at 8 seconds. A slight chance of tstms. A slight chance of
showers in the morning, then a chance of showers in the
afternoon.
.WED NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E
6 ft at 8 seconds. A chance of showers with a slight chance of
tstms.
.THU...E winds 15 to 20 kt. Seas 5 to 6 ft, building to 5 to 7 ft
in the afternoon. Wave Detail: E 6 ft at 9 seconds, becoming E
7 ft at 9 seconds. A slight chance of showers and tstms.
.THU NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 5 to 6 ft. Wave Detail: E 6 ft at 9 seconds.
A slight chance of tstms. A slight chance of showers in the
evening, then a chance of showers after midnight.
.FRI...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers
and tstms.
.FRI NIGHT...E winds 5 to 10 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
.SAT...E winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers
and tstms.
.SAT 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.

$$

AMZ352-190315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1007 AM EDT Tue Jun 18 2024

.REST OF TODAY...E winds 15 to 20 kt. Seas 3 to 4 ft, building to
4 to 5 ft this afternoon. Wave Detail: E 4 ft at 6 seconds and SE
1 foot at 12 seconds, becoming E 5 ft at 6 seconds and SE 1 foot
at 12 seconds. A slight chance of showers and tstms this
afternoon.
.TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: E
5 ft at 7 seconds and SE 1 foot at 12 seconds. A slight chance of
showers and tstms.
.WED...E winds 15 to 20 kt. Seas 4 to 6 ft, building to 5 to 6 ft
in the afternoon. Wave Detail: E 5 ft at 8 seconds. A chance of
showers with a slight chance of tstms.
.WED NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E
6 ft at 8 seconds. A chance of showers with a slight chance of
tstms.
.THU...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 9 seconds. A chance of showers with a slight chance of tstms.
.THU NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft, subsiding to
4 to 6 ft after midnight. Wave Detail: E 6 ft at 9 seconds. A
chance of showers with a slight chance of tstms.
.FRI...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers
and tstms.
.FRI NIGHT...E winds 5 to 10 kt. Seas 4 ft. A chance of showers
and tstms.
.SAT...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SAT 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.

$$

AMZ354-190315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1007 AM EDT Tue Jun 18 2024

.REST OF TODAY...E winds 15 to 20 kt. Seas 3 to 4 ft, building to
4 to 5 ft this afternoon. Wave Detail: E 4 ft at 6 seconds and E
1 foot at 12 seconds. A slight chance of showers late this morning
and early afternoon. A slight chance of tstms this afternoon. A
chance of showers late.
.TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: E
5 ft at 7 seconds and E 1 foot at 12 seconds. A slight chance of
tstms. A chance of showers, mainly in the evening.
.WED...E winds 15 to 20 kt. Seas 4 to 6 ft, building to 5 to 6 ft
in the afternoon. Wave Detail: E 5 ft at 8 seconds, becoming E
6 ft at 8 seconds. A chance of showers with a slight chance of
tstms.
.WED NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E
6 ft at 8 seconds. A chance of showers with a slight chance of
tstms.
.THU...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 9 seconds. A chance of showers with a slight chance of tstms.
.THU NIGHT...E winds 20 kt, becoming NE after midnight. Seas 5 to
6 ft. Wave Detail: E 6 ft at 9 seconds. A chance of showers with
a slight chance of tstms.
.FRI...NE winds 15 kt. Seas 4 to 5 ft. A chance of showers and
tstms.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 ft. A chance of showers
and tstms.
.SAT...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SAT 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.

$$

AMZ374-190315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1007 AM EDT Tue Jun 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING
THROUGH LATE FRIDAY NIGHT...

.REST OF TODAY...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave
Detail: E 4 ft at 7 seconds and E 1 foot at 12 seconds. A slight
chance of showers late this morning and early afternoon. A slight
chance of tstms this afternoon. A chance of showers late.
.TONIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: E
6 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers
with a slight chance of tstms.
.WED...E winds 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: E 6 ft
at 8 seconds. A chance of showers with a slight chance of tstms.
.WED NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft, building to
6 to 8 ft after midnight. Wave Detail: E 7 ft at 8 seconds. A
chance of showers with a slight chance of tstms.
.THU...E winds 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: E 8 ft
at 8 seconds. A chance of showers with a slight chance of tstms.
.THU NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft, subsiding to
5 to 7 ft after midnight. Wave Detail: E 8 ft at 9 seconds,
becoming E 7 ft at 9 seconds. A chance of showers with a slight
chance of tstms.
.FRI...NE winds 10 to 15 kt. Seas 5 to 6 ft. A chance of showers
and tstms.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
.SAT...E winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers
and tstms.
.SAT 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.

$$