Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 240057
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
857 PM EDT Mon Oct 23 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

AMZ300-241600-
857 PM EDT Mon Oct 23 2017

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will push offshore tonight, then will be followed by a
stronger cold front late Tuesday and Tuesday night. High pressure
will then prevail into late week before another cold front possibly
affects the area this weekend.

$$

AMZ330-241600-
Charleston Harbor-
857 PM EDT Mon Oct 23 2017

...TORNADO WATCH 508 IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...S winds 15 to 20 kt, becoming W 5 to 10 kt with gusts to
15 kt after midnight. Waves 1 to 2 ft early. Showers with a chance
of tstms this evening, then a chance of showers and tstms after
midnight. Some tstms may be severe with damaging winds, and
waterspouts this evening.
.TUE...W winds 5 kt, increasing to 10 kt in the afternoon. A slight
chance of showers in the morning.
.TUE NIGHT...NW winds 10 to 15 kt.
.WED...NW winds 10 kt.
.WED NIGHT...NW winds 10 kt.
.THU...N winds 5 to 10 kt.
.THU NIGHT...NE winds 5 kt.
.FRI...E winds around 5 kt.
.FRI NIGHT...SE winds around 5 kt.
.SAT...SE winds around 5 kt. A slight chance of showers.
.SAT NIGHT...SW winds 5 kt. A slight chance of showers.

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

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 74 degrees.

$$

AMZ350-241600-
Waters from South Santee River to Edisto Beach SC out 20 nm-
857 PM EDT Mon Oct 23 2017

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

.TONIGHT...SW winds 20 to 25 kt with gusts to 30 kt, becoming W 15
kt late. Seas 5 to 7 ft. Showers with a chance of tstms this evening,
then a chance of showers and tstms after midnight. Some tstms may
produce damaging winds, and waterspouts this evening.
.TUE...W winds 5 to 10 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft in
the afternoon. A chance of showers in the morning.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...NW winds 15 kt. Seas 3 to 4 ft.
.WED NIGHT...NW winds 15 kt. Seas 3 to 4 ft.
.THU...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 ft.
.FRI...E winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers.

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

$$

AMZ352-241600-
Waters from Edisto Beach SC to Savannah GA out 20 nm-
857 PM EDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT TUESDAY...

.TONIGHT...SW winds 20 to 25 kt with gusts to 30 kt, becoming W 15
kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 5 ft late. A
chance of tstms. Showers, mainly this evening.
.TUE...W winds 10 kt. Seas 3 to 4 ft. A slight chance of showers in
the morning.
.TUE NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 3 to 4 ft.
.WED...NW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft, subsiding
to 2 to 3 ft in the afternoon.
.WED NIGHT...NW winds 15 kt. Seas 2 to 3 ft.
.THU...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 ft.
.FRI...E winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.

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

$$

AMZ354-241600-
Waters from Savannah GA to Altamaha Sound GA out 20 nm, including
Grays Reef National Marine Sanctuary-
857 PM EDT Mon Oct 23 2017

.TONIGHT...SW winds 15 to 20 kt, becoming W 15 kt after midnight.
Seas 3 to 5 ft. A chance of tstms. Showers likely, mainly this
evening.
.TUE...NW winds 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts to 25 kt after midnight. Seas 3 to 4 ft.
.WED...NW winds 15 to 20 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft
in the afternoon.
.WED NIGHT...NW winds 15 kt. Seas 2 ft.
.THU...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...E winds 5 to 10 kt. Seas 3 ft. A slight chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers.

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

$$

AMZ374-241600-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 nm-
857 PM EDT Mon Oct 23 2017

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

.TONIGHT...S winds 20 to 25 kt with gusts to 30 kt, becoming W 15 kt
with gusts to 20 kt after midnight. Seas 5 to 7 ft. A chance of
tstms. Showers, mainly this evening.
.TUE...NW winds 10 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft late.
A chance of showers in the morning.
.TUE NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt with gusts
to 25 kt after midnight. Seas 4 to 5 ft.
.WED...NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
.WED NIGHT...NW winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
.THU...N winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 3 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 10 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance
of showers.

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

$$



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