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FZUS54 KLCH 110904
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
404 AM CDT Tue Mar 11 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.

GMZ400-112215-
404 AM CDT Tue Mar 11 2025

.SYNOPSIS...

Surface high pressure will move off to the east with modest
southerly flow returning that will persist for the remainder of
the week. Winds will become stronger and gusty on Friday as low
pressure forms east of the Rockies.

$$

GMZ430-112215-
Sabine Lake-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds 5 to 10 knots. Lake waters light chop.
.TONIGHT...South winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY...South winds 10 to 15 knots. Lake waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters
choppy.
.THURSDAY...Southwest winds around 10 knots. Lake waters light
chop.
.THURSDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.FRIDAY...South winds 15 to 20 knots. Lake waters rough.
.FRIDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.SATURDAY...West winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms, mainly in the morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Lake waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-112215-
Calcasieu Lake-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds 5 to 10 knots. Lake waters light chop.
.TONIGHT...South winds around 10 knots. Lake waters light chop.
.WEDNESDAY...South winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters
choppy.
.THURSDAY...Southwest winds 10 to 15 knots. Lake waters choppy.
.THURSDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.FRIDAY...South winds 15 to 20 knots. Lake waters rough.
.FRIDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Lake waters rough.
.SATURDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Lake waters choppy. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Lake waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-112215-
Vermilion and West Cote Blanche Bays-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds around 5 knots, becoming south this
afternoon. Bay waters light chop.
.TONIGHT...South winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...South winds around 10 knots. Bay waters light
chop.
.THURSDAY...Southwest winds 10 to 15 knots. Bay waters choppy.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters light
chop.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay waters rough.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters choppy. A
chance of thunderstorms. A chance of showers.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Bay waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-112215-
Atchafalaya and East Cote Blanche Bays-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds around 5 knots, becoming around 5 knots
late. Bay waters smooth.
.TONIGHT...South winds around 5 knots. Bay waters smooth.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters light
chop.
.THURSDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters light
chop.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters choppy. A
chance of thunderstorms. Showers likely, mainly in the morning.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Bay waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-112215-
Coastal waters from Cameron LA to High Island TX out 20 NM-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 3 seconds.
.TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 3 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds.
.THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots, becoming southwest
10 to 15 knots after midnight. Seas 3 to 4 feet.
.SATURDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
after midnight. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-112215-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds.
.TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 3 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 2 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
.SATURDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of showers and thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-112215-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds around 5 knots, becoming south around
5 knots this afternoon. Seas 1 foot or less. Wave Detail: West
1 foot at 3 seconds.
.TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 3 seconds.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: South 1 foot at
4 seconds.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds.
.THURSDAY...Southwest winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 2 feet at 4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-112215-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds around 10 knots. Seas 1 foot or less,
then around 2 feet this afternoon. Wave Detail: Southwest 1 foot
at 3 seconds and southeast 1 foot at 7 seconds, becoming
southwest 1 foot at 3 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.WEDNESDAY NIGHT...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.
.THURSDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southwest 3 feet at 6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 6 seconds.
.FRIDAY...South winds 15 to 20 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet.
.SATURDAY...Southwest winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers with a slight chance
of thunderstorms in the morning, then a slight chance of showers
in the afternoon.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-112215-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds and southeast 1 foot at
7 seconds.
.TONIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 5 seconds.
.THURSDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southwest 3 feet at 6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southwest 3 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SATURDAY...Southwest winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers and thunderstorms,
mainly in the morning.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-112215-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
404 AM CDT Tue Mar 11 2025

.TODAY...Southwest winds around 5 knots. Seas around 2 feet this
morning, then 1 foot or less. Wave Detail: West 1 foot at
4 seconds and southeast 1 foot at 6 seconds.
.TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: South 1 foot at
5 seconds, becoming south 2 feet at 5 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: South 3 feet at 5 seconds.
.THURSDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southwest 4 feet at 6 seconds.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SATURDAY...South winds 15 to 20 knots. Seas 5 to 8 feet,
occasionally to 10 feet. A chance of showers. A chance of
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots, becoming west
10 to 15 knots after midnight. Seas 5 to 8 feet, occasionally to
10 feet.

Winds and seas higher in and near thunderstorms.

$$