Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 211505
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1005 AM CDT Sat Oct 21 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.

GMZ400-220415-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
1005 AM CDT Sat Oct 21 2017

.SYNOPSIS...
Moderate southeast flow will remain in place through Sunday in
advance of a cold front. Scattered showers and thunderstorms will
be possible today, with activity increasing on Sunday as the
front moves through the region. Strong offshore flow will develop
behind the front, and persist through midweek.

$$

GMZ430-220415-
Sabine Lake-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 5 to 10 knots. Lake waters a
light chop. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest in the
afternoon. Lake waters a light chop. Showers and thunderstorms in
the morning, then chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Lake waters
choppy. Slight chance of showers and thunderstorms in the
evening.
.MONDAY...Northwest winds around 10 knots. Lake waters a light
chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Lake waters a
light chop.
.TUESDAY...North winds 10 to 15 knots. Lake waters choppy.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Lake waters
choppy.
.WEDNESDAY...Northwest winds 5 to 10 knots. Lake waters a light
chop.
.WEDNESDAY NIGHT...Southwest winds up to 5 knots. Lake waters
smooth.

$$

GMZ432-220415-
Calcasieu Lake-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds around 10 knots. Lake waters a
light chop. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots becoming west in the
afternoon. Lake waters a light chop decreasing to smooth in the
afternoon. Showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening.
.MONDAY...Northwest winds around 10 knots. Lake waters a light
chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Lake waters a
light chop.
.TUESDAY...North winds 10 to 15 knots. Lake waters choppy.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Lake waters
choppy.
.WEDNESDAY...Northwest winds 5 to 10 knots. Lake waters a light
chop.
.WEDNESDAY NIGHT...West winds around 5 knots. Lake waters smooth.

$$

GMZ435-220415-
Vermilion Bay-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Bay waters
choppy. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy.
Chance of showers and thunderstorms.
.SUNDAY...South winds 5 to 10 knots. Bay waters a light chop.
Showers and thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Bay waters
choppy. Chance of showers and thunderstorms.
.MONDAY...Northwest winds 10 to 15 knots. Bay waters choppy.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters a light
chop.
.TUESDAY...North winds 10 to 15 knots. Bay waters choppy.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Bay waters
choppy.
.WEDNESDAY...Northwest winds 10 to 15 knots. Bay waters choppy.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots becoming
southwest after midnight. Bay waters a light chop decreasing to
smooth after midnight.

$$

GMZ450-220415-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Chance of showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest in the
afternoon. Seas 1 to 2 feet. Showers and thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms in the evening.
.MONDAY...Northwest winds 15 to 20 knots. Seas 1 to 3 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 2 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 1 to 3 feet.
.TUESDAY NIGHT...North winds 15 to 20 knots. Seas 1 to 3 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.

$$

GMZ452-220415-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 1 to
3 feet. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms.
.SUNDAY...South winds 5 to 10 knots becoming west in the
afternoon. Seas 1 to 3 feet. Showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms in the evening, then slight
chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 1 to 3 feet.
.TUESDAY NIGHT...North winds 15 to 20 knots. Seas 2 to 4 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northwest 5 to
10 knots in the afternoon. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

$$

GMZ455-220415-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 1 to
3 feet. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Showers and thunderstorms likely in the morning, then showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 1 to 3 feet.
.TUESDAY NIGHT...North winds 15 to 20 knots. Seas 1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

$$

GMZ470-220415-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Chance of showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Showers and
thunderstorms in the morning, then chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms in the evening.
.MONDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Seas 2 to 4 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet.

$$

GMZ472-220415-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Chance of showers and thunderstorms.
.SUNDAY...Southeast winds 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. Seas 2 to 4 feet. Showers and
thunderstorms likely in the morning, then chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet.
Chance of showers and thunderstorms in the evening, then slight
chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet.

$$

GMZ475-220415-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
1005 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. Chance of showers and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Chance of showers and thunderstorms.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Showers and thunderstorms likely in the morning, then showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots becoming northwest
15 to 20 knots after midnight. Seas 3 to 5 feet. Chance of
showers and thunderstorms in the evening, then slight chance of
showers and thunderstorms after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...North winds around 20 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to
2 feet.

$$

08


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