Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 090903
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
403 AM CDT Thu May 9 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.

GMZ400-092145-
403 AM CDT Thu May 9 2024

.SYNOPSIS...
A light to moderate onshore flow and seas with seas 2 to 3 feet
will prevail today. Areas of dense fog may reduce visibilities
below one mile through the early morning with visibilities
gradually improving through the day.

A cold front will push through the coastal waters
Thursday night accompanied by isolated showers and thunderstorms.
Offshore flow will develop behind the front Friday and Saturday.
Onshore flow becomes reestablished Sunday as high pressure slides
east of the area. Precipitation chances will also increase again
Sunday and Monday as a series of upper level disturbance moves
across the area.

$$

GMZ430-092145-
Sabine Lake-
403 AM CDT Thu May 9 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...South winds 5 to 10 knots. Lake waters light chop. Areas
of dense fog early this morning.
.TONIGHT...South winds 5 to 10 knots, becoming west after
midnight. Lake waters light chop. Patchy fog.
.FRIDAY...Northeast winds 5 to 10 knots. Lake waters light chop.
Patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY...East winds 5 to 10 knots. Lake waters light chop.
.SATURDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop.
.SUNDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A
slight chance of showers in the morning, then a chance of showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop. A chance of showers and thunderstorms.
.MONDAY...South winds around 10 knots. Lake waters light chop.
Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Lake waters light
chop. A chance of thunderstorms. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-092145-
Calcasieu Lake-
403 AM CDT Thu May 9 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...South winds 5 to 10 knots. Lake waters light chop. Areas
of dense fog early this morning, then patchy fog late this
morning.
.TONIGHT...South winds 5 to 10 knots, becoming west after
midnight. Lake waters light chop. Patchy fog.
.FRIDAY...North winds 5 to 10 knots. Lake waters light chop.
Patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY...East winds 5 to 10 knots. Lake waters light chop.
.SATURDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop.
.SUNDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A
slight chance of showers in the morning, then a chance of showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy. A chance of thunderstorms. A chance of showers.
.MONDAY...South winds 10 to 15 knots. Lake waters choppy. Showers
likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Lake waters light
chop. Showers and thunderstorms likely, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-092145-
Vermilion and West Cote Blanche Bays-
403 AM CDT Thu May 9 2024

.TODAY...South winds 5 to 10 knots. Bay waters light chop. Patchy
dense fog this morning.
.TONIGHT...South winds around 10 knots, becoming southwest after
midnight. Bay waters light chop. Patchy fog after midnight.
.FRIDAY...North winds 5 to 10 knots. Bay waters light chop.
Patchy dense fog in the morning.
.FRIDAY NIGHT...North winds around 10 knots. Bay waters light
chop.
.SATURDAY...Northeast winds around 10 knots with gusts up to
20 knots, becoming east in the afternoon. Bay waters light chop.
.SATURDAY NIGHT...East winds around 5 knots. Bay waters smooth.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy. A chance of thunderstorms. A chance of showers.
.MONDAY...South winds 10 to 15 knots. Bay waters choppy. Showers
likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
Showers likely. Thunderstorms likely, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-092145-
Atchafalaya and East Cote Blanche Bays-
403 AM CDT Thu May 9 2024

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

Winds and waves higher in and near thunderstorms.

$$

GMZ450-092145-
Coastal waters from Cameron LA to High Island TX out 20 NM-
403 AM CDT Thu May 9 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 7 seconds. Areas of dense fog early this
morning, then patchy fog late this morning and afternoon.
.TONIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas around 2 feet. Wave Detail: South 2 feet at
7 seconds. Patchy fog.
.FRIDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds and north 1 foot at 2 seconds.
Patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots, increasing to
10 to 15 knots with gusts up to 25 knots after midnight. Seas
2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south
2 feet at 7 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East
3 feet at 5 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-092145-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
403 AM CDT Thu May 9 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. Areas of dense fog early this
morning, then patchy fog late this morning and afternoon.
.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
7 seconds. Patchy fog.
.FRIDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds and north 1 foot at 2 seconds.
Patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 3 seconds and south 2 feet at 6 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 4 seconds and south 1 foot at 6 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and southeast 1 foot
at 3 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
4 feet. A chance of thunderstorms. A chance of showers.
.MONDAY...South winds around 15 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. Showers likely, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-092145-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
403 AM CDT Thu May 9 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

.TODAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 7 seconds. Patchy fog this morning.
.TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: South
2 feet at 3 seconds and south 2 feet at 7 seconds. Patchy fog.
.FRIDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds and west 1 foot at 2 seconds.
Patchy fog in the morning.
.FRIDAY NIGHT...North winds 10 to 15 knots with gusts up to
20 knots, becoming northeast 15 to 20 knots with gusts up to
30 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast
2 feet at 3 seconds and south 1 foot at 6 seconds.
.SATURDAY...Northeast winds 15 to 20 knots with gusts up to
30 knots, becoming east 5 to 10 knots in the afternoon. Seas 2 to
3 feet, subsiding to 1 to 2 feet in the afternoon. Wave Detail:
Northeast 2 feet at 3 seconds, becoming east 2 feet at 3 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet in
the evening, then 1 foot or less. Wave Detail: Southeast 1 foot
at 3 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.
.MONDAY...Southeast winds around 15 knots. Seas 2 to 3 feet.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Showers likely. Thunderstorms likely, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-092145-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
403 AM CDT Thu May 9 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds. Areas of dense fog until
late afternoon, then patchy fog late.
.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds. Patchy dense fog.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and northeast 1 foot at
3 seconds. Patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Gusts up to 30 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to
3 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of
showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. A chance
of showers. A slight chance of thunderstorms in the morning, then
a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. A
chance of thunderstorms. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-092145-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
403 AM CDT Thu May 9 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southeast winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 7 seconds.
Areas of dense fog early this morning, then patchy fog late this
morning and afternoon.
.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots after midnight. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds. Patchy fog.
.FRIDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 7 seconds and north 1 foot at 3 seconds.
Patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots, increasing to 15 to 20 knots with gusts up to 30 knots
after midnight. Seas 3 to 4 feet. Wave Detail: South 4 feet at
6 seconds and northeast 3 feet at 4 seconds.
.SATURDAY...Northeast winds 15 to 20 knots with gusts up to
30 knots, becoming east 10 to 15 knots with gusts up to 20 knots
in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: East 5 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to
3 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of
showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. A slight
chance of thunderstorms. A chance of showers, mainly in the
morning.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of thunderstorms. Showers likely, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-092145-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
403 AM CDT Thu May 9 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

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

Winds and seas higher in and near thunderstorms.

$$