Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 070257
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Coastal Waters Forecast
National Weather Service Lake Charles LA
957 PM CDT Tue May 6 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.

GMZ400-071515-
957 PM CDT Tue May 6 2025

.SYNOPSIS...

Elevated onshore winds will continue tonight ahead of a low
pressure storm system. We expect the low to bring widespread
showers and thunderstorms across the coastal waters through late
Wednesday. Winds should shift offshore late Wednesday night
following a weak frontal passage and should remain offshore
into the weekend.

$$

GMZ430-071515-
Sabine Lake-
957 PM CDT Tue May 6 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy. Showers likely. Thunderstorms
likely. Patchy fog early this evening. Patchy fog late.
.WEDNESDAY...Southeast winds around 10 knots. Lake waters light
chop. Showers and thunderstorms likely in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop. Showers likely with a chance of thunderstorms.
.THURSDAY...East winds around 5 knots. Lake waters smooth. A
chance of thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming north
after midnight. Lake waters smooth. A chance of showers and
thunderstorms.
.FRIDAY...North winds 5 to 10 knots. Lake waters light chop. A
slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms in the
evening.
.SATURDAY...North winds around 10 knots. Lake waters light chop.
A slight chance of showers in the morning, then a chance of
showers in the afternoon.
.SATURDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers.
.SUNDAY...North winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers.
.SUNDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-071515-
Calcasieu Lake-
957 PM CDT Tue May 6 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots late. Lake waters rough. Patchy fog this evening.
Showers likely this evening. Thunderstorms likely. Showers after
midnight.
.WEDNESDAY...Southeast winds around 10 knots. Lake waters light
chop. Patchy fog in the morning. Showers with thunderstorms
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop. Showers likely with a chance of thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Lake waters light chop. A
chance of thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...South winds around 5 knots, becoming northwest
after midnight. Lake waters light chop. A chance of showers and
thunderstorms.
.FRIDAY...North winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...North winds around 10 knots. Lake waters light
chop. A slight chance of thunderstorms in the evening. A slight
chance of showers.
.SATURDAY...North winds around 10 knots. Lake 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.
.SATURDAY NIGHT...North winds around 10 knots. Lake waters light
chop. A slight chance of showers.
.SUNDAY...North winds around 10 knots. Lake waters light chop. A
slight chance of showers.
.SUNDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-071515-
Vermilion and West Cote Blanche Bays-
957 PM CDT Tue May 6 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots with gusts up to 20 knots after midnight. Bay waters
rough. Thunderstorms likely this evening. Showers likely. A
chance of thunderstorms after midnight.
.WEDNESDAY...East winds around 10 knots. Bay waters light chop.
Thunderstorms likely. Showers, mainly in the morning. Patchy fog
in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop. A chance of thunderstorms. Showers.
.THURSDAY...South winds 5 to 10 knots. Bay waters light chop.
Showers with a chance of thunderstorms in the morning, then
showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots, becoming northwest
after midnight. Bay waters smooth. A chance of showers with a
slight chance of thunderstorms in the evening, then showers
likely with a chance of thunderstorms after midnight.
.FRIDAY...North winds 5 to 10 knots. Bay waters light chop.
Showers likely with a chance of thunderstorms.
.FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop.
A slight chance of thunderstorms. A chance of showers, mainly in
the evening.
.SATURDAY...North winds around 10 knots. Bay waters light chop. A
slight chance of thunderstorms. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.SATURDAY NIGHT...North winds around 10 knots. Bay waters light
chop. A slight chance of thunderstorms. A chance of showers,
mainly in the evening.
.SUNDAY...North winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop.
A slight chance of thunderstorms in the evening. A slight chance
of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-071515-
Atchafalaya and East Cote Blanche Bays-
957 PM CDT Tue May 6 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy.
Thunderstorms likely this evening. Showers likely. A chance of
thunderstorms after midnight.
.WEDNESDAY...East winds around 10 knots. Bay waters light chop.
Showers with a chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop. A chance of thunderstorms. Showers.
.THURSDAY...South winds 5 to 10 knots. Bay waters light chop.
Showers with a chance of thunderstorms in the morning, then
showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots, becoming north
after midnight. Bay waters smooth. A chance of showers with a
slight chance of thunderstorms in the evening, then showers
likely with a chance of thunderstorms after midnight.
.FRIDAY...North winds 5 to 10 knots. Bay waters light chop.
Showers likely with a chance of thunderstorms.
.FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop.
A chance of showers in the evening, then a slight chance of
showers and thunderstorms after midnight.
.SATURDAY...North winds 5 to 10 knots. Bay waters light chop. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds 5 to 10 knots. Bay waters light
chop. A chance of showers with a slight chance of thunderstorms.
.SUNDAY...North winds 5 to 10 knots. Bay waters light chop. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers. A slight chance of
thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-071515-
Coastal waters from Cameron LA to High Island TX out 20 NM-
957 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...

.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds.
Patchy fog this evening. A chance of thunderstorms this evening.
Showers likely. Thunderstorms likely after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. Thunderstorms likely.
Showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers and
thunderstorms likely in the evening, then showers with a chance
of thunderstorms after midnight.
.THURSDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming north after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
7 seconds and north 1 foot at 2 seconds. A chance of showers and
thunderstorms.
.FRIDAY...North winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 3 seconds and southeast 2 feet at
7 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas around 2 feet. A
chance of showers and thunderstorms in the evening, then a slight
chance of showers after midnight.
.SATURDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...North winds 10 to 15 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.
.SUNDAY...North winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-071515-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
957 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...

.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds.
Patchy fog early this evening. Showers likely. A chance of
thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: South 4 feet at 7 seconds. Patchy fog in the morning.
Thunderstorms likely. Showers, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of
thunderstorms. Showers.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 8 seconds. Showers with a chance of
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming north
after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
7 seconds and north 1 foot at 2 seconds. A chance of showers with
a slight chance of thunderstorms in the evening, then showers
likely with a chance of thunderstorms after midnight.
.FRIDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 3 seconds and southeast 2 feet at
7 seconds. A chance of showers and thunderstorms.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the evening.
.SATURDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.SUNDAY...North winds 10 to 15 knots. Seas around 2 feet. A
chance of showers.
.SUNDAY NIGHT...North winds around 10 knots. Seas around 2 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-071515-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
957 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...

.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to
4 feet. Wave Detail: South 3 feet at 5 seconds. A chance of
thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 8 seconds and southeast 1 foot at
2 seconds. Showers with a chance of thunderstorms in the morning,
then showers with thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of
thunderstorms. Showers likely in the evening, then showers after
midnight.
.THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 8 seconds and southeast 1 foot at
2 seconds. Showers with a chance of thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming west
after midnight. Seas 1 to 2 feet. Wave Detail: South 1 foot at
7 seconds. Showers likely with a slight chance of thunderstorms
in the evening, then showers with a chance of thunderstorms after
midnight.
.FRIDAY...North winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Northwest 1 foot at 2 seconds and south 1 foot at
7 seconds. A chance of thunderstorms. Showers likely, mainly in
the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY...North winds around 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds around 10 knots. Seas around
2 feet. A chance of showers with a slight chance of
thunderstorms.
.SUNDAY...North winds 5 to 10 knots. Seas around 2 feet. A chance
of showers. A slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers in the evening, then a chance of
showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-071515-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
957 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...

.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Southeast 6 feet at 7 seconds. Patchy fog this evening. A
chance of thunderstorms this evening. Showers likely.
Thunderstorms likely after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. Thunderstorms likely. Showers. Patchy fog in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at
7 seconds. Patchy fog in the evening. Thunderstorms likely with a
chance of showers in the evening, then showers with a chance of
thunderstorms after midnight.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A chance of thunderstorms.
Showers, mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming north after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.FRIDAY...North winds around 10 knots. Seas 2 to 4 feet. Wave
Detail: North 4 feet at 6 seconds and north 2 feet at 3 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...North winds around 10 knots, increasing to around
15 knots after midnight. Seas 2 to 3 feet. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.SATURDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds around 15 knots, diminishing to
around 10 knots after midnight. Seas 2 to 3 feet. A slight chance
of thunderstorms in the evening. A chance of showers.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers, mainly in the morning.
.SUNDAY NIGHT...North winds around 10 knots. Seas around 2 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-071515-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
957 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...

.TONIGHT...South winds 15 to 20 knots, becoming southeast 10 to
15 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Southeast 6 feet at 7 seconds. Patchy fog early this
evening. A chance of thunderstorms. A chance of showers early
this evening, then showers likely late this evening and
overnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 8 seconds.
Patchy fog in the morning. Showers. A chance of thunderstorms in
the morning, then thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of thunderstorms. Showers.
.THURSDAY...Southeast winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of thunderstorms. Showers.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming northeast
after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet
at 7 seconds. Showers likely with a slight chance of
thunderstorms in the evening, then showers with a chance of
thunderstorms after midnight.
.FRIDAY...North winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds and north 2 feet at
3 seconds. A chance of thunderstorms. Showers likely, mainly in
the morning.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas around 3 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY...North winds 10 to 15 knots. Seas around 3 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds 10 to 15 knots. Seas around 3 feet.
A chance of showers with a slight chance of thunderstorms.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers in the morning, then a slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds around 10 knots. Seas around 2 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-071515-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
957 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...

.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: South 6 feet at 7 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 8 seconds. A
chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at
8 seconds. A chance of thunderstorms. Showers likely in the
evening, then showers after midnight.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of thunderstorms. Showers.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest after midnight. Seas 3 to 4 feet. Wave Detail:
Southeast 4 feet at 7 seconds. A chance of thunderstorms.
Showers.
.FRIDAY...North winds around 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and north 1 foot at
3 seconds. A chance of thunderstorms. Showers, mainly in the
morning.
.FRIDAY NIGHT...North winds around 10 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY...North winds around 10 knots. Seas 2 to 4 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...North winds around 10 knots. Seas 2 to 3 feet.
A chance of showers. A chance of thunderstorms, mainly in the
evening.
.SUNDAY...North winds around 10 knots. Seas 2 to 3 feet. A slight
chance of thunderstorms. A chance of showers, mainly in the
morning.
.SUNDAY NIGHT...Northwest winds around 10 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$