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FZUS54 KLCH 130847
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
347 AM CDT Mon May 13 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.

GMZ400-132130-
347 AM CDT Mon May 13 2024

.SYNOPSIS...
Moderate southerly winds will continue through tonight. Shower
and thunderstorm chances should increase later today into tonight,
with a few strong storms possible. Winds will shift westerly on
Tuesday, then offshore Tuesday night with the passage of a weak
cold front. Winds will turn back to the east and southeast by
Wednesday night, with rain chances returning by Thursday as
another low pressure system approaches the area.

$$

GMZ430-132130-
Sabine Lake-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 5 to 10 knots, increasing to 10 to 15 knots
late. Lake waters choppy. A chance of showers and thunderstorms
early this morning, then a slight chance of showers and
thunderstorms late this morning. A chance of showers and
thunderstorms this afternoon.
.TONIGHT...North winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Lake waters choppy. A chance of
thunderstorms. A chance of showers.
.TUESDAY...West winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Lake waters light chop.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Lake waters light chop.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers likely with a chance of thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southeast winds around 15 knots, becoming south
after midnight. Lake waters choppy. Showers and thunderstorms
likely, mainly in the evening.
.FRIDAY...South winds around 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop. A chance of showers and thunderstorms, mainly in the
evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-132130-
Calcasieu Lake-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots. Lake waters choppy. Showers
likely with a chance of thunderstorms early this morning, then a
chance of showers and thunderstorms late this morning and
afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots after midnight. Lake waters
choppy. A chance of showers and thunderstorms.
.TUESDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Lake waters choppy.
.TUESDAY NIGHT...West winds 10 to 15 knots, becoming north 5 to
10 knots after midnight. Lake waters choppy.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Lake waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers likely with a chance of thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy. Showers and thunderstorms likely, mainly in the evening.
.FRIDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop. A chance of showers and thunderstorms, mainly in the
evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-132130-
Vermilion and West Cote Blanche Bays-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots. Bay waters choppy. Showers
likely with a chance of thunderstorms this morning, then a chance
of showers and thunderstorms this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots, becoming south after
midnight. Bay waters light chop. Showers and thunderstorms likely
in the evening, then showers with thunderstorms likely after
midnight.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Bay waters light chop.
.WEDNESDAY...North winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop. A slight chance of showers after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A
chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...Southeast winds around 15 knots. Bay waters
choppy. A chance of thunderstorms. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms, mainly in the
evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-132130-
Atchafalaya and East Cote Blanche Bays-
347 AM CDT Mon May 13 2024

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots late. Bay waters choppy. Showers
likely with a chance of thunderstorms this morning, then a chance
of showers and thunderstorms this afternoon.
.TONIGHT...South winds 5 to 10 knots. Bay waters light chop.
Showers with thunderstorms likely.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northwest
after midnight. Bay waters light chop.
.WEDNESDAY...North winds around 5 knots, becoming southwest
around 5 knots in the afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth. A slight chance of showers after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A
chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...Southeast winds around 15 knots. Bay waters
choppy. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms, mainly in the
evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-132130-
Coastal waters from Cameron LA to High Island TX out 20 NM-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds and south 2 feet at 3 seconds.
A chance of showers and thunderstorms early this morning, then a
slight chance of showers and thunderstorms late this morning. A
chance of showers and thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
5 seconds. A chance of showers and thunderstorms in the evening,
then a chance of thunderstorms with a slight chance of showers
after midnight.
.TUESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at
7 seconds.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming north
after midnight. Seas around 2 feet. Wave Detail: Southwest 2 feet
at 3 seconds and southeast 2 feet at 7 seconds.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at
5 seconds and west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 3 seconds. A slight
chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds around 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. Showers likely.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-132130-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots with gusts up to 20 knots late this morning and
afternoon. Seas 2 to 4 feet. Wave Detail: South 4 feet at
6 seconds and south 2 feet at 3 seconds. A chance of showers. A
chance of thunderstorms.
.TONIGHT...East winds 10 to 15 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at
6 seconds and south 2 feet at 3 seconds. Showers and
thunderstorms likely in the evening, then thunderstorms likely
with a chance of showers after midnight.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 3 seconds and south 2 feet at
7 seconds. A slight chance of showers and thunderstorms in the
morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northwest
after midnight. Seas 2 to 3 feet. Wave Detail: West 2 feet at
4 seconds and south 2 feet at 7 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
7 seconds and west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 7 seconds and southeast 1 foot at 3 seconds.
A slight chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. Showers likely.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-132130-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 3 seconds and south 2 feet at 6 seconds.
Showers likely with a chance of thunderstorms this morning, then
a chance of showers and thunderstorms this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Seas around 2 feet. Wave Detail: South 2 feet at
6 seconds and south 1 foot at 3 seconds. Showers with
thunderstorms likely.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 7 seconds and southwest 1 foot at
3 seconds. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northwest
after midnight. Seas 1 to 2 feet. Wave Detail: West 1 foot at
3 seconds and south 1 foot at 7 seconds.
.WEDNESDAY...Northeast winds around 5 knots, becoming southeast
in the afternoon. Seas 1 to 2 feet. Wave Detail: Northwest 1 foot
at 3 seconds and south 1 foot at 8 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less, then 1 to 2 feet after midnight. Wave Detail: Southeast
1 foot at 2 seconds and south 1 foot at 7 seconds, becoming
southeast 1 foot at 3 seconds and south 1 foot at 7 seconds. A
slight chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers. A chance of thunderstorms, mainly in the morning.
.FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-132130-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds. A chance of showers and
thunderstorms early this morning, then a slight chance of showers
and thunderstorms late this morning. A chance of showers and
thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, becoming southeast
after midnight. Seas around 3 feet. Wave Detail: Southeast 3 feet
at 6 seconds and south 1 foot at 3 seconds. Showers and
thunderstorms likely, mainly in the evening.
.TUESDAY...West winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds and southwest 1 foot at
2 seconds.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming north
after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet
at 7 seconds and west 1 foot at 3 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds and northwest 1 foot at
2 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up
to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-132130-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds and
south 1 foot at 2 seconds. A chance of showers and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and south 1 foot at
3 seconds. Showers and thunderstorms likely.
.TUESDAY...Southwest winds around 10 knots, becoming west in the
afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
7 seconds and southwest 1 foot at 3 seconds. A chance of
thunderstorms with a slight chance of showers in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 7 seconds and west 1 foot at 3 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at
8 seconds and northwest 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight
chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas around
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...South winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-132130-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
347 AM CDT Mon May 13 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 15 to 20 knots with gusts up to 25 knots,
diminishing to 10 to 15 knots with gusts up to 25 knots late this
morning and afternoon. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: South 5 feet at 6 seconds. A chance of
thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at
6 seconds. Thunderstorms likely. Showers.
.TUESDAY...South winds 10 to 15 knots with gusts up to 20 knots,
becoming west 5 to 10 knots in the afternoon. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers
and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and west 1 foot at
3 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 4 feet at 8 seconds and northwest 1 foot
at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight
chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A slight
chance of thunderstorms. A chance of showers, mainly in the
morning.
.FRIDAY NIGHT...South winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$