Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 230211
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1011 PM EDT Sun Apr 22 2018

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

AMZ300-231415-
1011 PM EDT Sun Apr 22 2018

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will remain northeast of the forecast area tonight
as a low pressure system approaches from the west. The low will
stay west of the area on Monday, then move up the east coast
through mid week. Weak high pressure will prevail before a cold
front crosses the area late week.

$$

AMZ330-231415-
Charleston Harbor-
1011 PM EDT Sun Apr 22 2018

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

.REST OF TONIGHT...E winds 15 kt with gusts to 25 kt. A slight
chance of showers late this evening, then a chance of showers.
.MON...SE winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
Showers.
.MON NIGHT...SE winds 20 to 25 kt with gusts to 30 kt,
diminishing to 10 to 15 kt with gusts to 20 kt after midnight.
Waves 2 to 3 ft. A slight chance of tstms. Showers.
.TUE...S winds 10 to 15 kt. A chance of showers. A slight chance
of tstms in the afternoon.
.TUE NIGHT...SW winds 5 to 10 kt. A chance of showers with a
slight chance of tstms in the evening.
.WED...W winds 5 kt, becoming SW in the afternoon.
.WED NIGHT...W winds 5 to 10 kt.
.THU...W winds 5 kt. A slight chance of showers.
.THU NIGHT...W winds 5 kt. A slight chance of showers.
.FRI...W winds 5 to 10 kt.
.FRI NIGHT...SW winds 5 to 10 kt.

Mariners are reminded that winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 65 degrees.

$$

AMZ350-231415-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1011 PM EDT Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...
...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY
NIGHT...

.REST OF TONIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 7 ft. A slight chance of showers late this evening, then a
chance of showers late.
.MON...E winds 20 to 25 kt, becoming SE 25 to 30 kt in the
afternoon. Seas 6 to 8 ft, building to 8 to 10 ft in the
afternoon. Showers.
.MON NIGHT...SE winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 8 to 10 ft, subsiding to 7 to 9 ft after
midnight. A slight chance of tstms. Showers.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Seas 6 to 8 ft,
subsiding to 4 to 6 ft in the afternoon. A chance of showers. A
slight chance of tstms in the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to
4 to 5 ft after midnight. A chance of showers with a slight
chance of tstms in the evening, then a slight chance of showers
after midnight.
.WED...SW winds 10 to 15 kt. Seas 4 to 5 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight.
.THU...W winds 10 kt. Seas 3 to 4 ft. A slight chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers.
.FRI...W winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.

Mariners are reminded that winds and seas higher in and near tstms.

$$

AMZ352-231415-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1011 PM EDT Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TONIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas
building to 5 to 7 ft. A slight chance of showers late this
evening, then a chance of showers late.
.MON...SE winds 20 to 25 kt with gusts to 30 kt. Seas 6 to 8 ft,
building to 7 to 9 ft in the afternoon. Showers in the morning,
then showers with a slight chance of tstms in the afternoon.
.MON NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Seas 6 to
8 ft, subsiding to 5 to 7 ft after midnight. A slight chance of
tstms. Showers, mainly in the evening.
.TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 4 to
5 ft in the afternoon. A slight chance of showers in the morning,
then a chance of showers with a slight chance of tstms in the
afternoon.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Seas 4 to 5 ft. A chance of showers with a slight chance of tstms
in the evening.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers.
.FRI...W winds 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.

Mariners are reminded that winds and seas higher in and near tstms.

$$

AMZ354-231415-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1011 PM EDT Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TONIGHT...SE winds 20 kt with gusts to 25 kt. Seas 4 to
6 ft, building to 5 to 7 ft. A slight chance of showers late this
evening, then showers likely late.
.MON...SE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 7 ft.
A slight chance of tstms. Showers.
.MON NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after
midnight. Seas 4 to 6 ft. A slight chance of tstms. Showers
likely, mainly in the evening.
.TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. A slight chance of showers. A slight
chance of tstms in the afternoon.
.TUE NIGHT...S winds 10 to 15 kt, becoming W after midnight. Seas
3 to 4 ft. A slight chance of showers in the evening.
.WED...W winds 10 kt, becoming SW in the afternoon. Seas 3 to
4 ft.
.WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...W winds 5 to 10 kt. Seas 2 ft. A slight chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 ft.
.FRI...W winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...W winds 10 to 15 kt. Seas 2 ft.

Mariners are reminded that winds and seas higher in and near tstms.

$$

AMZ374-231415-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
1011 PM EDT Sun Apr 22 2018

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

.REST OF TONIGHT...SE winds 20 to 25 kt. Seas 6 to 8 ft, building
to 7 to 9 ft. A slight chance of showers late this evening, then
showers likely late.
.MON...SE winds 20 to 25 kt with gusts to 30 kt. Seas 8 to 10 ft,
subsiding to 7 to 9 ft in the afternoon. A slight chance of
tstms. Showers.
.MON NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Seas 7 to
9 ft. A slight chance of tstms. Showers, mainly in the evening.
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft, subsiding to 5 to
7 ft in the afternoon. A slight chance of showers. A slight
chance of tstms in the afternoon.
.TUE NIGHT...S winds 10 to 15 kt, becoming W after midnight. Seas
4 to 6 ft. A slight chance of showers and tstms in the evening.
.WED...W winds 10 to 15 kt, becoming SW in the afternoon. Seas
4 to 5 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 4 ft.
.THU...W winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 3 ft.
.FRI...W winds 10 kt. Seas 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.

Mariners are reminded that winds and seas higher in and near tstms.

$$


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