Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 120847
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
347 AM EST Tue Dec 12 2017

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

AMZ300-122030-
347 AM EST Tue Dec 12 2017

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A dry cold front will move through the region today followed by
high pressure through Thursday. Another cold front will push into
the area Friday while low pressure passes offshore. Dry high
pressure will return Saturday and persist into Sunday before a
cold front approaches the area early next week.

$$

AMZ330-122030-
Charleston Harbor-
347 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...W 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, diminishing
to 10 to 15 kt after midnight. Waves 1 to 2 ft.
.WED...W winds 10 to 15 kt, decreasing to 5 to 10 kt.
.WED NIGHT...W winds 10 kt.
.THU...W winds 10 kt.
.THU NIGHT...W winds 5 kt.
.FRI...W winds 10 to 15 kt. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. A slight chance of showers.
.SAT...W winds 5 kt.
.SAT NIGHT...SW winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 55 degrees.

$$

AMZ350-122030-
Waters from South Santee River to Edisto Beach SC out 20 NM-
347 AM EST Tue Dec 12 2017

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

.TODAY...W winds 15 to 20 kt with gusts to 25 kt, increasing to
20 to 25 kt late. Seas 3 to 4 ft, building to 4 to 5 ft this
afternoon.
.TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight.
.WED...NW winds 15 to 20 kt with gusts to 25 kt early, becoming W
5 to 10 kt in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
.THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft.
.THU NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
.FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of showers.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot.

$$

AMZ352-122030-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
347 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH WEDNESDAY MORNING...

.TODAY...W winds 15 to 20 kt, increasing to 15 to 20 kt with
gusts to 25 kt. Seas 2 to 3 ft, building to 3 to 4 ft.
.TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt with
gusts to 25 kt after midnight. Seas 4 to 5 ft, subsiding to 3 to
4 ft after midnight.
.WED...NW winds 15 to 20 kt with gusts to 25 kt, becoming W 10 kt
in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft,
subsiding to 2 to 3 ft in the afternoon.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. A slight
chance of showers.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 kt. Seas 1 foot.

$$

AMZ354-122030-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
347 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH WEDNESDAY MORNING...

.TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts to 30 kt late. Seas 3 to 4 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas 3 to
5 ft.
.WED...NW winds 15 to 20 kt with gusts to 25 kt, becoming W 10 kt
in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft.
.THU...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 ft.
.FRI...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. A slight
chance of showers.
.SAT...W winds 10 to 15 kt. Seas 2 ft.
.SAT NIGHT...SW winds 5 kt. Seas 1 foot.

$$

AMZ374-122030-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
347 AM EST Tue Dec 12 2017

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

.TODAY...W winds 20 to 25 kt. Seas 4 to 6 ft.
.TONIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt after
midnight. Seas 5 to 7 ft.
.WED...NW winds 15 to 20 kt with gusts to 25 kt, becoming W 10 to
15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to 4 ft in
the afternoon.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
.THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon.
.THU NIGHT...W winds 10 kt. Seas 3 to 4 ft.
.FRI...W winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. A slight
chance of showers.
.SAT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 kt. Seas 1 foot.

$$


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