Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 191101
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
701 AM EDT Thu Apr 19 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

AMZ300-192315-
701 AM EDT Thu Apr 19 2018

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Atlantic high pressure to the south will give way to a dry cold
front later today and tonight. Cooler high pressure will then
prevail into the weekend. Unsettled weather is expected late
Sunday or Monday through Tuesday as low pressure passes nearby,
before the low pulls away with improving conditions possible
Wednesday.

$$

AMZ330-192315-
Charleston Harbor-
701 AM EDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH
FRIDAY MORNING...

.TODAY...SW winds 10 to 15 kt increasing to 15 to 20 kt with
gusts to 25 kt this afternoon. Waves building to 1 to 2 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt, becoming N
after midnight. Waves 1 to 2 ft.
.FRI...NE winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Waves 1 to 2 ft in the morning.
.FRI NIGHT...NE winds 5 to 10 kt.
.SAT...E winds 10 to 15 kt with gusts to 20 kt.
.SAT NIGHT...E winds 10 to 15 kt.
.SUN...E winds 10 to 15 kt. A slight chance of showers.
.SUN NIGHT...E winds 15 kt. A chance of showers.
.MON...E winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers.
.MON NIGHT...E winds 15 to 20 kt. Waves 1 to 2 ft. Showers
likely.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 65 degrees.

$$

AMZ350-192315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
701 AM EDT Thu Apr 19 2018

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

.TODAY...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5
ft.
.TONIGHT...W winds 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Seas 3 to 4 ft, building to 4 to 5 ft after midnight.
.FRI...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...NE winds 15 kt with gusts to 20 kt. Seas 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...E winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers.
.MON...E winds 20 to 25 kt. Seas 6 to 8 ft. A chance of showers.
.MON NIGHT...E winds 20 to 25 kt. Seas 7 to 9 ft. Showers likely
with a slight chance of tstms.

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

$$

AMZ352-192315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
701 AM EDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

.TODAY...SW winds 15 to 20 kt. Seas 3 to 4 ft.
.TONIGHT...W winds 15 kt, becoming N 20 to 25 kt after midnight.
Seas 3 to 4 ft.
.FRI...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.
.SUN...E winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers.
.SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers.
.MON...E winds 20 to 25 kt. Seas 5 to 7 ft. Showers likely.
.MON NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. Showers likely
with a slight chance of tstms.

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

$$

AMZ354-192315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
701 AM EDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

.TODAY...SW winds 15 to 20 kt. Seas 2 to 3 ft.

.TONIGHT...W winds 15 kt, becoming N 20 to 25 kt after midnight.
Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
.FRI...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight.
.SAT...E winds 15 to 20 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight.
.SUN...E winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers.
.SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely.
.MON...E winds 20 to 25 kt. Seas 5 to 7 ft. Showers likely with a
slight chance of tstms.
.MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely
with a slight chance of tstms.

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

$$

AMZ374-192315-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
701 AM EDT Thu Apr 19 2018

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

.TODAY...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 5 ft.
.TONIGHT...W winds 15 to 20 kt, becoming N 20 to 25 kt with gusts
to 30 kt after midnight. Seas 3 to 4 ft, building to 4 to 5 ft
after midnight.
.FRI...NE winds 20 to 25 kt with gusts to 30 kt. Seas 6 to 8 ft,
subsiding to 5 to 7 ft in the afternoon.
.FRI NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft, then around 5 ft after midnight.
.SAT...E winds 15 to 20 kt with gusts to 25 kt. Seas 5 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 5 ft.
.SUN...E winds 15 to 20 kt. Seas 5 to 6 ft. A chance of showers.
.SUN NIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. Showers likely.
.MON...E winds 20 to 25 kt. Seas 7 to 9 ft. Showers likely with a
slight chance of tstms.
.MON NIGHT...SE winds 20 to 25 kt. Seas 7 to 9 ft. Showers likely
with a slight chance of tstms.

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

$$



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