Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 232035
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
335 PM CDT Wed Aug 23 2017

Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion Bay

Seas are provided as a range of the average height of the
highest one third of the waves...along with the occasional
height of the average highest ten percent of the waves.

GMZ400-240915-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
335 PM CDT Wed Aug 23 2017

.SYNOPSIS...
The forecast for the coastal waters is highly depend on the
eventual track and strength of current Tropical Depression Harvey
in the southern Gulf of Mexico. For now, elevated winds and seas
will be possible on Friday into the weekend. Also, numerous
showers and thunderstorms will also occur starting Friday. All
interest should continue to monitor the latest information on
Harvey from the National Hurricane Center.

$$

GMZ430-240915-
Sabine Lake-
335 PM CDT Wed Aug 23 2017

.TONIGHT...East winds up to 5 knots. Lake waters smooth. Slight
chance of showers and thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Lake waters a light chop.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Lake waters choppy. Showers
and thunderstorms likely.
.FRIDAY NIGHT...East winds 15 to 20 knots. Lake waters rough.
Showers and thunderstorms likely.
.SATURDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy. Showers and thunderstorms likely.
.SUNDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely.
.SUNDAY NIGHT...East winds 5 to 10 knots. Lake waters a light
chop. Showers and thunderstorms likely.
.MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters
choppy. Showers and thunderstorms likely.

$$

GMZ432-240915-
Calcasieu Lake-
335 PM CDT Wed Aug 23 2017

.TONIGHT...East winds up to 5 knots. Lake waters smooth. Slight
chance of showers and thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Lake waters a light chop.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Lake waters choppy. Showers
and thunderstorms likely.
.FRIDAY NIGHT...East winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely.
.SATURDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy. Showers and thunderstorms likely.
.SUNDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters a
light chop. Showers and thunderstorms likely.
.MONDAY...Northeast winds around 10 knots. Lake waters a light
chop. Showers and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters a
light chop. Showers and thunderstorms likely.

$$

GMZ435-240915-
Vermilion Bay-
335 PM CDT Wed Aug 23 2017

.TONIGHT...Southeast winds up to 5 knots becoming east after
midnight. Bay waters smooth. Chance of showers and thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters a light
chop. Chance of showers and thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Bay waters a light chop.
Showers and thunderstorms likely.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy.
Showers and thunderstorms likely.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters a light
chop. Showers and thunderstorms likely.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy. Showers and thunderstorms likely.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters a light chop.
Showers and thunderstorms likely.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters a light
chop. Showers and thunderstorms likely.
.MONDAY...Southeast winds around 10 knots becoming north in the
afternoon. Bay waters a light chop. Showers and thunderstorms
likely.
.MONDAY NIGHT...East winds 5 to 10 knots. Bay waters a light
chop. Showers and thunderstorms likely.

$$

GMZ450-240915-
Coastal waters from Cameron LA to High Island TX out 20 NM-
335 PM CDT Wed Aug 23 2017

.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet.
Chance of showers and thunderstorms.
.FRIDAY...East winds 20 to 25 knots. Seas 3 to 5 feet. Showers
and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet. Showers and thunderstorms
likely.
.SATURDAY...Southeast winds 20 to 25 knots decreasing to 10 to
15 knots in the afternoon. Seas 3 to 6 feet with occasional seas
up to 7 feet. Showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
5 feet. Showers and thunderstorms likely.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Showers
and thunderstorms likely.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
Showers and thunderstorms likely.
.MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Showers and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Showers and thunderstorms likely.

$$

GMZ452-240915-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
335 PM CDT Wed Aug 23 2017

.TONIGHT...Southeast winds around 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet.
Chance of showers and thunderstorms.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Showers
and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet. Showers and thunderstorms
likely.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
Showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
5 feet. Showers and thunderstorms likely.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Showers
and thunderstorms likely.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet.
Showers and thunderstorms likely.
.MONDAY...Southeast winds 15 to 20 knots becoming northeast 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Showers and
thunderstorms likely.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Showers and thunderstorms likely.

$$

GMZ455-240915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
335 PM CDT Wed Aug 23 2017

.TONIGHT...East winds up to 5 knots. Seas 1 foot or less. Slight
chance of showers and thunderstorms in the evening, then chance
of showers and thunderstorms after midnight.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. Showers
and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.
Showers and thunderstorms likely.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.
Showers and thunderstorms likely.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to
4 feet. Showers and thunderstorms likely.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.
Showers and thunderstorms likely.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 1 to 3 feet.
Showers and thunderstorms likely.
.MONDAY...South winds 15 to 20 knots becoming north 10 to
15 knots in the afternoon. Seas 1 to 3 feet. Showers and
thunderstorms likely.
.MONDAY NIGHT...Northeast winds 10 to 15 knots becoming east
after midnight. Seas 1 to 3 feet. Showers and thunderstorms
likely.

$$

GMZ470-240915-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
335 PM CDT Wed Aug 23 2017

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...East winds 20 to 25 knots. Seas 4 to 7 feet
with occasional seas up to 8 feet. Chance of showers and
thunderstorms.
.FRIDAY...East winds 20 to 25 knots. Seas 6 to 10 feet with
occasional seas up to 11 feet. Showers and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 25 to 30 knots. Seas 8 to 12 feet
with occasional seas up to 13 feet. Showers and thunderstorms
likely.
.SATURDAY...Southeast winds 20 to 25 knots. Seas 6 to 10 feet
with occasional seas up to 11 feet. Showers and thunderstorms.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 7 feet
with occasional seas up to 8 feet. Showers and thunderstorms
likely.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 7 feet
with occasional seas up to 8 feet. Showers and thunderstorms
likely.

$$

GMZ472-240915-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
335 PM CDT Wed Aug 23 2017

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Slight
chance of showers and thunderstorms in the evening, then chance
of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 7 feet
with occasional seas up to 8 feet. Chance of showers and
thunderstorms.
.FRIDAY...East winds 20 to 25 knots. Seas 6 to 10 feet with
occasional seas up to 11 feet. Showers and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 6 to 10 feet
with occasional seas up to 11 feet. Showers and thunderstorms
likely.
.SATURDAY...Southeast winds 20 to 25 knots. Seas 6 to 10 feet
with occasional seas up to 11 feet. Showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
7 feet with occasional seas up to 8 feet. Showers and
thunderstorms likely.
.SUNDAY...South winds 15 to 20 knots. Seas 4 to 7 feet with
occasional seas up to 8 feet. Showers and thunderstorms likely.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.
.MONDAY...South winds 15 to 20 knots becoming east in the
afternoon. Seas 3 to 5 feet. Showers and thunderstorms likely.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.

$$

GMZ475-240915-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
335 PM CDT Wed Aug 23 2017

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Slight
chance of showers and thunderstorms in the evening, then chance
of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 7 feet
with occasional seas up to 8 feet. Chance of showers and
thunderstorms.
.FRIDAY...Southeast winds 20 to 25 knots. Seas 5 to 8 feet with
occasional seas up to 10 feet. Showers and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 8 feet
with occasional seas up to 10 feet. Showers and thunderstorms
likely.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 5 to 8 feet with
occasional seas up to 10 feet. Showers and thunderstorms likely.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
6 feet with occasional seas up to 7 feet. Showers and
thunderstorms likely.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet. Showers and thunderstorms likely.
.MONDAY...South winds 15 to 20 knots. Seas 2 to 4 feet. Showers
and thunderstorms likely.
.MONDAY NIGHT...Northeast winds 10 to 15 knots becoming southeast
after midnight. Seas 3 to 5 feet. Showers and thunderstorms
likely.

$$

Rua


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