Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 212138
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
538 PM EDT Thu Sep 21 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

AMZ300-221245-
538 PM EDT Thu Sep 21 2017

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through this weekend. The high will
weaken and shift inland as Hurricane Maria tracks northward off the
Southeast U.S. coast through the first half of next week.

$$

AMZ330-221245-
Charleston Harbor-
538 PM EDT Thu Sep 21 2017

.TONIGHT...S winds 5 to 10 kt, becoming variable less than 5 kt.
.FRI...E winds 5 to 10 kt. A slight chance of showers and tstms in
the afternoon.
.FRI NIGHT...E winds 5 to 10 kt.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...NE winds 5 to 10 kt.
.SUN...NE winds 5 to 10 kt.
.SUN NIGHT...NE winds 5 to 10 kt.
.MON...N winds 5 to 10 kt.
.MON NIGHT...N winds around 5 kt.
.TUE...N winds 5 to 10 kt.
.TUE NIGHT...NW winds 5 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 81 degrees.

$$

AMZ350-221245-
Waters from South Santee River to Edisto Beach SC out 20 nm-
538 PM EDT Thu Sep 21 2017

.TONIGHT...S winds 5 to 10 kt, becoming SE. Seas 1 to 2 ft, building
to 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft in
the afternoon.
.FRI NIGHT...E winds 10 kt. Seas 4 to 5 ft, building to 4 to 6 ft
after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A slight chance of
showers and tstms.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...NE winds 15 kt. Seas 6 to 8 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.MON...N winds 10 to 15 kt. Seas 6 to 8 ft.
.MON NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft.
.TUE...N winds 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.

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

$$

AMZ352-221245-
Waters from Edisto Beach SC to Savannah GA out 20 nm-
538 PM EDT Thu Sep 21 2017

.TONIGHT...S winds 5 to 10 kt, becoming SE. Seas 1 to 2 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft in
the afternoon.
.FRI NIGHT...E winds 10 kt. Seas 4 to 5 ft. A slight chance of
showers and tstms after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A slight chance of
showers and tstms.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft, building to 5 to
7 ft after midnight. A slight chance of showers and tstms in the
evening.
.SUN...NE winds 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...N winds 5 to 10 kt. Seas 5 to 7 ft.
.MON NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft.
.TUE...NW winds 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft.

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

$$

AMZ354-221245-
Waters from Savannah GA to Altamaha Sound GA out 20 nm...including
Grays Reef National Marine Sanctuary-
538 PM EDT Thu Sep 21 2017

.TONIGHT...SE winds 5 to 10 kt. Seas 1 to 2 ft.
.FRI...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon.
Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft, building to 4 to
5 ft after midnight. A slight chance of showers and tstms.
.SAT...NE winds 15 kt. Seas 4 to 5 ft, building to 4 to 6 ft in the
afternoon. A slight chance of showers and tstms.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A slight chance
of showers and tstms in the evening.
.SUN...NE winds 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...N winds 10 kt. Seas 4 to 6 ft.
.MON NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft.
.TUE...NW winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft.

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

$$

AMZ374-221245-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 nm-
538 PM EDT Thu Sep 21 2017

.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft.
.FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft, building to 4 to 6 ft in
the afternoon.
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. A slight chance of
showers and tstms.
.SAT...NE winds 15 kt with gusts to 20 kt. Seas 6 to 8 ft. A chance
of showers and tstms.
.SAT NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 7 to 9 ft. A
chance of showers and tstms in the evening.
.SUN...NE winds 15 to 20 kt with gusts to 25 kt. Seas 8 to 10 ft. A
slight chance of showers and tstms.
.SUN NIGHT...NE winds 15 kt. Seas 8 to 10 ft. A slight chance of
showers and tstms in the evening.
.MON...N winds 10 to 15 kt. Seas 7 to 9 ft.
.MON NIGHT...N winds 5 to 10 kt. Seas 6 to 8 ft.
.TUE...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 5 to 7 ft.

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

$$


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