Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 261952
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
252 PM CDT Wed Mar 26 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.

GMZ400-270815-
252 PM CDT Wed Mar 26 2025

.SYNOPSIS...

A light onshore flow will persist into early Tomorrow, however
winds will increase for late week. A weak area of low pressure and
disturbance aloft will mover across Texas and Louisiana late
Thursday into Saturday. An increase in storm chances and winds
will occur as a result.

A cold front will move into the coastal waters Monday with an
offshore flow persisting into Tuesday.

$$

GMZ430-270815-
Sabine Lake-
252 PM CDT Wed Mar 26 2025

.TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop.
.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Lake waters
choppy.
.THURSDAY NIGHT...Southeast winds around 15 knots with gusts up
to 20 knots. Lake waters choppy. A chance of showers and
thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy. A chance of thunderstorms. Showers
likely in the morning, then showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough. Showers likely. A chance of thunderstorms in the evening,
then thunderstorms likely after midnight.
.SATURDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.SUNDAY...South winds 10 to 15 knots. Lake waters choppy.
.SUNDAY NIGHT...South winds around 10 knots. Lake waters light
chop.
.MONDAY...West winds 5 to 10 knots. Lake waters light chop.
.MONDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-270815-
Calcasieu Lake-
252 PM CDT Wed Mar 26 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ435-270815-
Vermilion and West Cote Blanche Bays-
252 PM CDT Wed Mar 26 2025

.TONIGHT...Southeast winds around 5 knots. Bay waters smooth.
.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough. A slight chance of showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters rough.
Showers likely with a chance of thunderstorms in the evening,
then showers likely with a slight chance of thunderstorms after
midnight.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. Showers likely with a chance of
thunderstorms in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots. Bay waters light
chop.
.SUNDAY...South winds 10 to 15 knots. Bay waters choppy.
.SUNDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A slight chance of showers after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots, becoming northeast
after midnight. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-270815-
Atchafalaya and East Cote Blanche Bays-
252 PM CDT Wed Mar 26 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ450-270815-
Coastal waters from Cameron LA to High Island TX out 20 NM-
252 PM CDT Wed Mar 26 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ452-270815-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
252 PM CDT Wed Mar 26 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ455-270815-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
252 PM CDT Wed Mar 26 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ470-270815-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
252 PM CDT Wed Mar 26 2025

.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.THURSDAY...Southeast winds around 10 knots, becoming east with
gusts up to 20 knots in the afternoon. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds around 15 knots with gusts up
to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Southeast 4 feet at 6 seconds. A slight chance of showers
in the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 6 feet at
8 seconds. A chance of thunderstorms. Showers likely in the
morning, then showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 6 feet at 8 seconds. Showers likely with a chance of
thunderstorms.
.SATURDAY...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SUNDAY...South winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY...South winds 5 to 10 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-270815-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
252 PM CDT Wed Mar 26 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at
6 seconds. Patchy fog in the evening. A slight chance of showers
and thunderstorms after midnight.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 6 feet at
7 seconds. A chance of showers with a slight chance of
thunderstorms in the morning, then showers with a chance of
thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 7 feet at
8 seconds. A chance of thunderstorms. Showers.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: South 6 feet at 7 seconds. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.SUNDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-270815-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
252 PM CDT Wed Mar 26 2025

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

Winds and seas higher in and near thunderstorms.

$$