Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 030912
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
412 AM CDT Thu Apr 3 2025

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.

GMZ400-032215-
412 AM CDT Thu Apr 3 2025

.SYNOPSIS...

South winds of 15 to 25 knots with gusts to 30 knots and seas of
6-10 feet will continue through Saturday. A cold front will push
through the coastal waters Saturday afternoon accompanied by a
squall line capable of producing severe weather including damaging
winds, large hail, waterspouts, frequent lightning and heavy
rainfall. Winds will turn offshore and relax behind the front
Saturday night and remain that way through mid next week.

$$

GMZ430-032215-
Sabine Lake-
412 AM CDT Thu Apr 3 2025

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

.TODAY...South winds 15 to 20 knots, increasing to 20 to 25 knots
late this morning and afternoon. Lake waters very rough. Patchy
fog early this morning.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Lake waters very
rough.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Lake waters very rough. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots, becoming
northwest after midnight. Lake waters rough. Showers and
thunderstorms likely in the evening, then a chance of showers
after midnight.
.SUNDAY...Northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Lake waters rough. A chance of showers
and thunderstorms in the morning.
.SUNDAY NIGHT...North winds 10 to 15 knots. Lake waters choppy.
.MONDAY...North winds around 10 knots. Lake waters light chop.
.MONDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-032215-
Calcasieu Lake-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 15 to 20 knots, becoming south 20 to
25 knots late this morning and afternoon. Lake waters very rough.
Patchy fog early this morning.
.TONIGHT...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Lake waters very rough.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Lake waters very rough. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots, becoming
northwest after midnight. Lake waters rough. Showers and
thunderstorms likely in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.SUNDAY...Northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Lake waters rough. Showers likely with
a chance of thunderstorms in the morning.
.SUNDAY NIGHT...North winds 10 to 15 knots. Lake waters choppy.
.MONDAY...North winds 10 to 15 knots. Lake waters choppy.
.MONDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-032215-
Vermilion and West Cote Blanche Bays-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds around 20 knots with gusts up to
30 knots. Bay waters rough. Patchy fog early this morning.
.TONIGHT...Southeast winds 20 to 25 knots. Bay waters very rough.
.FRIDAY...Southeast winds 20 to 25 knots. Bay waters very rough.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Bay waters very rough.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Bay waters very rough. A chance of showers and thunderstorms in
the afternoon.
.SATURDAY NIGHT...South winds 15 to 20 knots, becoming west after
midnight. Bay waters rough. Showers and thunderstorms in the
evening, then showers with a chance of thunderstorms after
midnight.
.SUNDAY...Northwest winds 10 to 15 knots. Bay waters choppy.
Showers with a chance of thunderstorms in the morning, then a
chance of showers with a slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy. A
slight chance of showers. A slight chance of thunderstorms after
midnight.
.MONDAY...North winds 10 to 15 knots. Bay waters choppy. A slight
chance of showers in the morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-032215-
Atchafalaya and East Cote Blanche Bays-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough. Patchy fog early this morning.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough.
.SATURDAY...South winds 15 to 20 knots with gusts up to 30 knots.
Bay waters rough. A chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Bay waters choppy. Showers and thunderstorms
likely in the evening, then showers with a chance of
thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots. Bay waters choppy. A
chance of thunderstorms. Showers, mainly in the morning.
.SUNDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy. A
chance of showers. A slight chance of thunderstorms after
midnight.
.MONDAY...North winds 10 to 15 knots. Bay waters choppy. A slight
chance of showers in the morning.
.MONDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-032215-
Coastal waters from Cameron LA to High Island TX out 20 NM-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots late this morning and afternoon. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: South 6 feet at 6 seconds.
Patchy fog early this morning.
.TONIGHT...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Southeast 6 feet at 6 seconds. Patchy fog in
the evening.
.FRIDAY...Southeast winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 6 feet at
7 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 6 feet at
7 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South
6 feet at 8 seconds. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots, becoming
northwest after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: South 5 feet at 9 seconds and northwest
4 feet at 5 seconds. Showers and thunderstorms likely in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.SUNDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of thunderstorms with a slight
chance of showers in the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 2 to 4 feet. A
slight chance of showers after midnight.
.MONDAY...North winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-032215-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
South 7 feet at 8 seconds. Patchy fog early this morning.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
South 7 feet at 7 seconds.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
South 7 feet at 7 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
South 7 feet at 7 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: South
8 feet at 8 seconds. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds around 20 knots, becoming northwest
after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: South 6 feet at 9 seconds and south 4 feet at 5 seconds.
Showers and thunderstorms in the evening, then showers with a
chance of thunderstorms after midnight.
.SUNDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Showers with a chance of thunderstorms in
the morning, then a slight chance of showers and thunderstorms in
the afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 2 to 4 feet. A
slight chance of showers.
.MONDAY...North winds 15 to 20 knots. Seas 2 to 4 feet. A slight
chance of showers in the morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-032215-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
South 4 feet at 8 seconds. Patchy fog early this morning.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 4 feet at 9 seconds and southeast 2 feet at 2 seconds.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 4 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: South 4 feet at 9 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South
5 feet at 8 seconds. A slight chance of showers and thunderstorms
in the afternoon.
.SATURDAY NIGHT...South winds 15 to 20 knots, becoming southwest
after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: South 4 feet at 9 seconds and south 2 feet at 3 seconds.
Showers and thunderstorms likely in the evening, then showers
with a chance of thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of thunderstorms. Showers, mainly in the morning.
.SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet. A chance of showers. A
slight chance of thunderstorms after midnight.
.MONDAY...North winds around 15 knots. Seas 2 to 3 feet. A chance
of showers in the morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-032215-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots late this morning and afternoon. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 9 feet at
9 seconds. Patchy fog early this morning.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 8 feet at 9 seconds. Patchy fog in the evening.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 8 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 9 feet at 9 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast
9 feet at 9 seconds. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots, becoming
northwest after midnight. Seas 6 to 9 feet, occasionally to
11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: South 8 feet at 9 seconds, becoming south
6 feet at 9 seconds and northwest 5 feet at 5 seconds. Showers
and thunderstorms in the evening, then showers likely with a
slight chance of thunderstorms after midnight.
.SUNDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. A chance of showers and thunderstorms, mainly in the
morning.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers after
midnight.
.MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers in the
morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-032215-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 9 feet at
9 seconds. Patchy fog early this morning.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 8 feet at 9 seconds. Patchy fog in the evening.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 9 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 9 feet at 9 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail:
Southeast 10 feet at 9 seconds. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 15 to 20 knots, becoming west after
midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail:
South 9 feet at 9 seconds and northwest 4 feet at 5 seconds.
Showers and thunderstorms in the evening, then showers with a
chance of thunderstorms after midnight.
.SUNDAY...North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Showers with a chance of thunderstorms in
the morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. A slight chance of showers in the
evening, then a chance of showers after midnight.
.MONDAY...North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers in the
morning.
.MONDAY NIGHT...North winds around 15 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-032215-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
412 AM CDT Thu Apr 3 2025

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

.TODAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave
Detail: South 10 feet at 9 seconds. Patchy fog early this
morning.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail:
South 9 feet at 9 seconds.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 9 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail:
Southeast 9 feet at 8 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail:
Southeast 10 feet at 9 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 15 to 20 knots, becoming southwest
after midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave
Detail: South 9 feet at 9 seconds. A chance of showers and
thunderstorms in the evening, then showers with a chance of
thunderstorms after midnight.
.SUNDAY...Northwest winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of thunderstorms. Showers
likely, mainly in the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of showers with a slight chance
of thunderstorms.
.MONDAY...North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers with a slight chance
of thunderstorms in the morning, then a slight chance of showers
in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet.

Winds and seas higher in and near thunderstorms.

$$