Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 290226
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
926 PM CDT Sun Apr 28 2024

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

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.

GMZ400-291515-
926 PM CDT Sun Apr 28 2024

.SYNOPSIS...
Elevated winds and seas will continue this evening, but slowly
subside after midnight as the pressure gradient relaxes. Chances
of showers and thunderstorms will increase tonight through Tuesday
morning as the surface trough and deep layer upper level trough
approaches the area. By Tuesday, onshore flow expected for the
remainder of the period with a chance of showers and
thunderstorms.

$$

GMZ430-291515-
Sabine Lake-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 AM CDT MONDAY
THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough. A slight chance of showers and
thunderstorms early this afternoon. A chance of showers and
thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely after midnight.
.MONDAY...South winds 15 to 20 knots with gusts up to 25 knots,
diminishing to around 10 knots in the afternoon. Lake waters
rough. Showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms.
.TUESDAY...Southeast winds around 10 knots. Lake waters light
chop. A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop.
.WEDNESDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
A slight chance of thunderstorms. A slight chance of showers in
the morning, then a chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
.THURSDAY NIGHT...Southeast winds around 15 knots. Lake waters
choppy. A slight chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-291515-
Calcasieu Lake-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 AM CDT MONDAY
THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough. A slight chance of showers and
thunderstorms late.
.TONIGHT...Southeast winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Lake waters very rough. A slight chance
of showers and thunderstorms in the evening, then showers likely
with a chance of thunderstorms after midnight.
.MONDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Lake waters rough. Thunderstorms
likely. Showers, mainly in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Lake waters light chop.
A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Lake waters rough. A slight chance of
thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
around 10 knots after midnight. Lake waters rough.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy. A slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-291515-
Vermilion and West Cote Blanche Bays-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 AM CDT MONDAY
THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough. A slight chance of thunderstorms
after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Bay waters choppy. Showers likely with a chance of thunderstorms
in the morning, then showers with thunderstorms likely in the
afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms.
.TUESDAY...South winds around 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Bay waters
light chop.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters light
chop. A chance of showers with a slight chance of thunderstorms
in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Bay waters
light chop.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-291515-
Atchafalaya and East Cote Blanche Bays-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 AM CDT MONDAY
THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters rough.
.TONIGHT...Southeast winds 15 to 20 knots. Bay and inland waters
rough.
.MONDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay and inland waters choppy. A chance of showers and
thunderstorms in the morning, then showers with thunderstorms
likely in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters light chop. A chance of showers and thunderstorms.
.TUESDAY...South winds around 10 knots. Bay and inland waters
light chop. A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters light chop.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay and inland waters
light chop. A slight chance of showers. A slight chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Bay and
inland waters light chop.
.THURSDAY...Southeast winds 10 to 15 knots. Bay and inland waters
choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-291515-
Coastal waters from Cameron LA to High Island TX out 20 NM-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of showers and
thunderstorms late.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight
chance of showers and thunderstorms in the evening, then showers
and thunderstorms likely after midnight.
.MONDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet, subsiding to 2 to 3 feet in the afternoon. Thunderstorms
likely. Showers, mainly in the morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms, mainly in the
evening.
.TUESDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast winds around 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-291515-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight
chance of thunderstorms. A slight chance of showers after
midnight.
.MONDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Showers with thunderstorms likely.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A chance of showers. A chance of thunderstorms, mainly in
the evening.
.TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast winds around 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
3 feet. A slight chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-291515-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds around 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet. A slight chance of thunderstorms
after midnight.
.MONDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. A chance of showers and thunderstorms
in the morning, then showers with thunderstorms likely in the
afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A chance of showers and thunderstorms.
.TUESDAY...Southeast winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-291515-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots with gusts up to
35 knots. Seas 6 to 8 feet, occasionally to 10 feet. A slight
chance of showers and thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight
chance of showers and thunderstorms in the evening, then a chance
of showers and thunderstorms after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Showers and
thunderstorms likely.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. A slight chance of showers and thunderstorms in the
evening.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds around 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet, occasionally to 6 feet. A slight chance of showers after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-291515-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 8 feet, occasionally to 10 feet.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. A slight
chance of showers and thunderstorms after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers and
thunderstorms in the morning, then showers with thunderstorms
likely in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
5 feet, occasionally to 6 feet. A chance of showers and
thunderstorms.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
A slight chance of thunderstorms in the morning. A slight chance
of showers.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds around 15 knots. Seas 3 to 4 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas around
4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-291515-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
926 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds around 20 knots. Gusts up to 30 knots
until late afternoon. Seas 6 to 8 feet, occasionally to 10 feet.
A slight chance of showers and thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet.
.MONDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
5 feet, occasionally to 6 feet. A chance of thunderstorms.
Showers likely, mainly in the evening.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms,
mainly in the morning.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds around 15 knots. Seas 3 to 4 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$