Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 202036
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
336 PM CDT Thu Jun 20 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.

GMZ400-210915-
336 PM CDT Thu Jun 20 2024

.SYNOPSIS...
The remnants of Alberto continue to move inland over
Mexico. However, a tight pressure gradient remains in place,
producing strong easterly winds over the waters. Winds will
gradually diminish through tonight into Friday, with seas slowly
diminishing. Winds will gradually become more southeast to south
by late in the weekend into early next week.

$$

GMZ430-210915-
Sabine Lake-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots late this evening and overnight.
Lake waters choppy. A chance of showers and thunderstorms early
this evening.
.FRIDAY...East winds around 10 knots. Lake waters light chop. A
chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop.
A chance of showers with a slight chance of thunderstorms in the
evening.
.SATURDAY...East winds 5 to 10 knots. Lake waters light chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Lake waters light chop.
.SUNDAY...East winds around 5 knots, becoming southeast in the
afternoon. Lake waters light chop. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots, diminishing to around
5 knots after midnight. Lake waters light chop.
.MONDAY...South winds around 5 knots, increasing to 5 to 10 knots
in the afternoon. Lake waters light chop. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...South winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Lake waters light chop. A slight
chance of showers and thunderstorms in the morning, then a chance
of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-210915-
Calcasieu Lake-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. Lake waters choppy.
A chance of showers and thunderstorms early this evening.
.FRIDAY...East winds around 10 knots, becoming southeast in the
afternoon. Lake waters light chop. A slight chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop.
A chance of showers and thunderstorms in the evening.
.SATURDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Lake waters light chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop.
.SUNDAY...Southeast winds 5 to 10 knots. Lake waters light chop.
A slight chance of showers and thunderstorms in the morning, then
a chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.MONDAY...South winds around 5 knots, increasing to 5 to 10 knots
in the afternoon. Lake waters light chop. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...South winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-210915-
Vermilion and West Cote Blanche Bays-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...East winds 10 to 15 knots. Bay waters choppy. A chance
of showers and thunderstorms early this evening.
.FRIDAY...East winds around 10 knots. Bay waters light chop. A
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
after midnight. Bay waters light chop. A chance of showers and
thunderstorms in the evening.
.SATURDAY...East winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Bay waters light chop.
.SUNDAY...East winds around 5 knots, becoming south in the
afternoon. Bay waters light chop. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots, diminishing to around
5 knots after midnight. Bay waters light chop. A slight chance of
showers and thunderstorms after midnight.
.MONDAY...South winds around 5 knots, increasing to 5 to 10 knots
in the afternoon. Bay waters light chop. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers and thunderstorms.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers and thunderstorms in the morning, then
a chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-210915-
Atchafalaya and East Cote Blanche Bays-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...East winds 10 to 15 knots. Bay waters choppy. A chance
of showers and thunderstorms early this evening.
.FRIDAY...East winds around 10 knots. Bay waters light chop. A
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop.
A chance of showers with a slight chance of thunderstorms in the
evening.
.SATURDAY...East winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Bay waters light chop. A slight
chance of showers and thunderstorms after midnight.
.SUNDAY...East winds around 5 knots, becoming south in the
afternoon. Bay waters light chop. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers and thunderstorms after midnight.
.MONDAY...South winds around 5 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers and thunderstorms.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop. A chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-210915-
Coastal waters from Cameron LA to High Island TX out 20 NM-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.TONIGHT...East winds 20 to 25 knots, diminishing to 15 to
20 knots late this evening and overnight. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds and
east 2 feet at 3 seconds. A chance of showers and thunderstorms
early this evening, then a slight chance of showers and
thunderstorms late this evening. A slight chance of showers late.
.FRIDAY...East winds around 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds and
east 3 feet at 4 seconds. A chance of showers with a slight
chance of thunderstorms.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds and southeast 2 feet at
4 seconds. A slight chance of showers and thunderstorms in the
evening.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds and southeast 2 feet at
7 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast
2 feet at 7 seconds. A slight chance of showers after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 3 seconds and southeast 2 feet at
7 seconds. A chance of showers. A slight chance of thunderstorms
in the morning, then a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms after midnight.
.TUESDAY...South winds 10 to 15 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-210915-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast
5 feet at 7 seconds and east 2 feet at 2 seconds. A chance of
showers and thunderstorms early this evening. A slight chance of
showers late.
.FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds and
east 2 feet at 3 seconds. A chance of showers with a slight
chance of thunderstorms.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and southeast 2 feet at
4 seconds. A chance of showers with a slight chance of
thunderstorms in the evening.
.SATURDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 3 seconds and southeast 2 feet at
7 seconds. A slight chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 3 seconds and south
2 feet at 6 seconds. A slight chance of showers after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 8 seconds and southeast 1 foot at
3 seconds. A chance of showers. A slight chance of thunderstorms
in the morning, then a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance
of showers and thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-210915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

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

Winds and seas higher in and near thunderstorms.

$$

GMZ470-210915-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...East winds 20 to 25 knots, diminishing to around
15 knots late. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: East 7 feet at 8 seconds and east 1 foot at 2 seconds. A
chance of showers with a slight chance of thunderstorms this
evening. A slight chance of showers late.
.FRIDAY...East winds around 15 knots with gusts up to 20 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast
6 feet at 8 seconds and east 2 feet at 4 seconds. A slight chance
of thunderstorms in the morning. A chance of showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
7 seconds and southeast 1 foot at 3 seconds. A slight chance of
showers and thunderstorms in the evening.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and east 1 foot at
3 seconds. A slight chance of showers. A slight chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds and southeast
1 foot at 3 seconds. A slight chance of showers and thunderstorms
after midnight.
.SUNDAY...East winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and southeast 1 foot at
2 seconds. 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 10 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-210915-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...East winds around 20 knots, diminishing to around
15 knots late. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: Southeast 7 feet at 8 seconds and east 1 foot at
3 seconds. A chance of showers and thunderstorms early this
evening, then a slight chance of showers and thunderstorms late
this evening. A slight chance of showers late.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 6 feet at
8 seconds and east 1 foot at 3 seconds. A chance of showers. A
slight chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 7 seconds and southeast 1 foot at 3 seconds. A
chance of showers with a slight chance of thunderstorms in the
evening, then a slight chance of showers after midnight.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and east 1 foot at
3 seconds. A chance of showers. A slight chance of thunderstorms
in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds and southeast
1 foot at 3 seconds. A slight chance of thunderstorms. A slight
chance of showers in the evening, then a chance of showers after
midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 8 seconds and southeast 1 foot at
2 seconds. A chance of showers. A slight chance of thunderstorms
in the morning, then a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
A chance of showers with a slight chance of thunderstorms after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-210915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
336 PM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast
8 feet at 8 seconds and east 1 foot at 3 seconds. A slight chance
of thunderstorms early this evening. A slight chance of showers.
.FRIDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast
6 feet at 7 seconds and east 1 foot at 3 seconds. A chance of
showers. A slight chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 5 feet at 7 seconds and southeast 1 foot at 3 seconds.
A slight chance of thunderstorms in the evening. A chance of
showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds and
east 1 foot at 2 seconds. A chance of showers. A slight chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight
chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 8 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A chance of showers with a slight chance of thunderstorms after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$