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000
FZUS54 KLCH 211452
CWFLCH

Coastal Waters Forecast for Louisiana
National Weather Service Lake Charles LA
952 AM CDT Thu Sep 21 2023

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.

GMZ400-211600-
952 AM CDT Thu Sep 21 2023

.SYNOPSIS...
Surface high pressure situated to the east/northeast will continue
to provide a light to occasionally moderate onshore flow through
the next several days, along with 1 to 3 foot seas. Rain chances
over the coastal waters will begin to slowly increase starting
today as moisture gradually increases overhead.

$$

GMZ430-211600-
Sabine Lake-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...Southeast winds around 10 knots. Waves 1 foot or
less. Bay and inland waters light chop. A slight chance of
showers and thunderstorms late this morning and early afternoon.
.TONIGHT...South winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. Waves 1 foot or less. Bay and inland
waters a moderate chop.
.FRIDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less.
Bay and inland waters light chop. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Waves 1 foot or less. Bay and
inland waters a moderate chop.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Waves 1 foot or less. Bay and inland
waters a moderate chop. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Waves 1 foot or
less. Bay and inland waters a moderate chop.
.SUNDAY...South winds 5 to 10 knots. Waves 1 foot or less. Bay
and inland waters light chop. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 10 knots. Waves 1 foot or
less. Bay and inland waters light chop. A slight chance of
showers in the evening, then a chance of showers after midnight.
.MONDAY...Southeast winds around 10 knots. Waves 1 foot or less.
Bay and inland waters light chop. A chance of showers. A chance
of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots, becoming east after
midnight. Waves 1 foot or less. Bay and inland waters light chop.
A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-211600-
Calcasieu Lake-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...Southeast winds around 10 knots, becoming south
late. Waves 1 foot or less. Bay and inland waters a moderate
chop. A slight chance of showers and thunderstorms late this
morning.
.TONIGHT...South winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. Waves 1 foot or less. Bay and inland
waters a moderate chop.
.FRIDAY...East winds 5 to 10 knots, becoming south 10 to 15 knots
in the afternoon. Waves 1 foot or less. Bay and inland waters a
moderate chop. A slight chance of showers and thunderstorms in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. Waves 1 foot or less. Bay and
inland waters a moderate chop.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Waves 1 foot
or less. Bay and inland waters a moderate chop. A slight chance
of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Waves 1 foot or
less. Bay and inland waters a moderate chop.
.SUNDAY...South winds around 10 knots. Waves 1 foot or less. Bay
and inland waters light chop. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 10 knots. Waves 1 foot or
less. Bay and inland waters light chop. A slight chance of
showers in the evening, then a chance of showers after midnight.
.MONDAY...Southeast winds around 10 knots. Waves 1 foot or less.
Bay and inland waters light chop. A chance of showers. A chance
of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots, becoming east after
midnight. Waves 1 foot or less. Bay and inland waters light chop.
A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-211600-
Vermilion and West Cote Blanche Bays-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...East winds 5 to 10 knots, becoming southeast
this afternoon. Waves 1 foot or less. Bay and inland waters light
chop.
.TONIGHT...Southeast winds 5 to 10 knots, becoming east after
midnight. Waves 1 foot or less. Bay and inland waters light chop.
.FRIDAY...East winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less. Bay and inland waters smooth. A slight chance of showers
and thunderstorms in the evening.
.SATURDAY...East winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers with a slight chance of thunderstorms
in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or
less. Bay and inland waters light chop.
.SUNDAY...South winds 5 to 10 knots. Waves 1 foot or less. Bay
and inland waters light chop. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 10 knots. Waves 1 foot or
less. Bay and inland waters light chop. A slight chance of
showers.
.MONDAY...East winds around 10 knots, becoming south in the
afternoon. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers. A slight chance of thunderstorms in
the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots, becoming east
after midnight. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-211600-
Atchafalaya and East Cote Blanche Bays-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...East winds around 5 knots, becoming south late.
Waves 1 foot or less. Bay and inland waters smooth. A slight
chance of showers and thunderstorms late.
.TONIGHT...East winds around 5 knots. Waves 1 foot or less. Bay
and inland waters smooth.
.FRIDAY...East winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. Bay and inland waters smooth. A
slight chance of showers in the morning, then a chance of showers
and thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Waves 1 foot or less.
Bay and inland waters smooth. A slight chance of showers and
thunderstorms in the evening.
.SATURDAY...East winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers with a slight chance of thunderstorms
in the afternoon.
.SATURDAY NIGHT...South winds around 5 knots. Waves 1 foot or
less. Bay and inland waters smooth.
.SUNDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less.
Bay and inland waters light chop. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 10 knots. Waves 1 foot or
less. Bay and inland waters light chop. A slight chance of
showers.
.MONDAY...East winds around 10 knots, becoming southeast in the
afternoon. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers. A slight chance of thunderstorms in
the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots, becoming east
after midnight. Waves 1 foot or less. Bay and inland waters light
chop. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-211600-
Coastal waters from Cameron LA to High Island TX out 20 NM-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas around
2 feet. A chance of showers with a slight chance of thunderstorms
late this morning and early afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers after midnight.
.FRIDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of thunderstorms in the evening. A slight
chance of showers.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
A slight chance of showers after midnight.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers. A slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers in the evening, then a chance of showers
after midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-211600-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...East winds around 10 knots, becoming southeast
late. Seas around 2 feet. A slight chance of showers and
thunderstorms late this morning.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers after midnight.
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers with a slight
chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 1 foot or
less, then around 2 feet after midnight. A slight chance of
showers.
.SUNDAY...South winds around 10 knots. Seas around 2 feet. A
slight chance of showers in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers in the evening, then a chance of
showers after midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-211600-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...East winds 5 to 10 knots, becoming southeast
late. Seas 1 foot or less.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers after midnight.
.FRIDAY...East winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas 1 foot or less. A
slight chance of thunderstorms in the evening. A slight chance of
showers.
.SATURDAY...East winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. A chance of showers. A slight
chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or
less. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-211600-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of thunderstorms late this morning. A
chance of showers. A chance of thunderstorms this afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas around 2 feet. A
slight chance of showers after midnight.
.FRIDAY...East winds around 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of thunderstorms in the evening. A slight
chance of showers.
.SATURDAY...Southeast winds around 10 knots. Seas around 2 feet.
A chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers after midnight.
.SUNDAY...South winds around 10 knots. Seas 2 to 3 feet. A chance
of showers.
.SUNDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
chance of showers.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-211600-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...East winds around 10 knots. Seas around 2 feet.
A chance of showers with a slight chance of thunderstorms late
this morning and early afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas around 2 feet. A
slight chance of showers after midnight.
.FRIDAY...East winds around 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers with a slight chance of thunderstorms
in the evening, then a slight chance of showers after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers.
.SUNDAY...Southeast winds around 10 knots. Seas around 2 feet. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-211600-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
952 AM CDT Thu Sep 21 2023

.REST OF TODAY...Northeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers late this morning.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. A slight
chance of showers after midnight.
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. A chance
of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms in the
evening, then a slight chance of showers after midnight.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. A
chance of showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers.
.SUNDAY...Southeast winds around 10 knots. Seas around 2 feet. A
slight chance of showers.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.MONDAY...East winds around 10 knots. Seas around 2 feet. A
chance of showers.
.MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet. A
chance of showers.

Winds and seas higher in and near thunderstorms.

$$