Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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805
FZUS54 KLCH 112119
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
419 PM CDT Sat May 11 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.

GMZ400-121015-
419 PM CDT Sat May 11 2024

.SYNOPSIS...
Moderate offshore flow will gradually diminish tonight. Onshore
flow will become better established and strengthen on Sunday as
surface high pressure moves off to the east and low pressure
develops over the plains. Onshore flow will persist through
midweek until passage of a cold front. Shower and thunderstorm
chances will increase tonight into Sunday, with off and on rain
chances expected through midweek.

$$

GMZ430-121015-
Sabine Lake-
419 PM CDT Sat May 11 2024

.TONIGHT...East winds 5 to 10 knots. Lake waters light chop. A
chance of showers with a slight chance of thunderstorms late this
evening. A chance of showers and thunderstorms after midnight.
.SUNDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy. A chance of showers and
thunderstorms.
.MONDAY...South winds 10 to 15 knots. Lake waters choppy. 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. A chance of thunderstorms. A chance of showers.
.TUESDAY...West winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast 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 around 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely, mainly in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-121015-
Calcasieu Lake-
419 PM CDT Sat May 11 2024

.TONIGHT...East winds 5 to 10 knots. Lake waters light chop. A
chance of showers with a slight chance of thunderstorms late this
evening. A chance of showers and thunderstorms after midnight.
.SUNDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Lake waters choppy. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
25 knots. Lake waters choppy. A chance of showers and
thunderstorms.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...South 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 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 around 10 knots. Lake waters
light chop. A slight chance of showers in the evening, then a
chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely, mainly in the morning.
.THURSDAY NIGHT...South winds around 15 knots, becoming southwest
after midnight. Lake waters choppy. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-121015-
Vermilion and West Cote Blanche Bays-
419 PM CDT Sat May 11 2024

.TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers late this evening. A slight chance of
showers and thunderstorms after midnight.
.SUNDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A chance of showers. A slight chance
of thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Bay waters choppy. A chance of showers and thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Bay waters light
chop. Showers and thunderstorms likely.
.TUESDAY...Southwest winds around 10 knots. Bay waters light
chop. A slight 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...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop. A chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-121015-
Atchafalaya and East Cote Blanche Bays-
419 PM CDT Sat May 11 2024

.TONIGHT...Southeast winds around 5 knots. Bay waters smooth. A
slight chance of showers late this evening and overnight.
.SUNDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A chance of showers with a slight
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. Showers likely with a slight chance
of thunderstorms.
.MONDAY...South winds around 10 knots with gusts up to 20 knots.
Bay waters light chop. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Bay waters light
chop. Thunderstorms likely. Showers.
.TUESDAY...Southwest winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming
northwest after midnight. Bay waters light chop.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop. A chance of showers and thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds around 15 knots. Bay waters choppy.
A chance of thunderstorms. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-121015-
Coastal waters from Cameron LA to High Island TX out 20 NM-
419 PM CDT Sat May 11 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds. A slight chance of showers
and thunderstorms.
.SUNDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at
5 seconds. A chance of thunderstorms. A chance of showers in the
morning, then showers likely in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
5 seconds. A chance of showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: South
3 feet at 5 seconds. A chance of thunderstorms. A chance of
showers.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and south 2 feet at 7 seconds.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet.
.WEDNESDAY...Northeast winds around 10 knots, becoming east in
the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A slight chance of showers and thunderstorms in the
evening, then a 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...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-121015-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
419 PM CDT Sat May 11 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

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

Winds and seas higher in and near thunderstorms.

$$

GMZ455-121015-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
419 PM CDT Sat May 11 2024

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

Winds and seas higher in and near thunderstorms.

$$

GMZ470-121015-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
419 PM CDT Sat May 11 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

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

Winds and seas higher in and near thunderstorms.

$$

GMZ472-121015-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
419 PM CDT Sat May 11 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds. A slight chance of showers
late.
.SUNDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
6 seconds. A chance of showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 5 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. A
chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds. A slight chance of showers
and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Seas 3 to 4 feet.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers in the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet. A slight chance of showers in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
.THURSDAY...Southeast winds around 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-121015-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
419 PM CDT Sat May 11 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at
5 seconds. A chance of showers. A slight chance of thunderstorms
in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 5 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms.
.MONDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: South 5 feet at 6 seconds. A chance of
showers and thunderstorms.
.MONDAY NIGHT...South 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. A chance of thunderstorms. A chance of
showers in the evening, then showers likely after midnight.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. A
chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northwest
after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers in the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of showers with a slight chance of thunderstorms
after midnight.
.THURSDAY...Southeast winds around 15 knots. Seas 3 to 4 feet. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds around 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$