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Coastal Waters Forecast
National Weather Service Lake Charles LA
308 AM CDT Sat Aug 22 2026

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.

GMZ400-222100-
308 AM CDT Sat Aug 22 2026

.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...

Light onshore winds will continue for the next several days, and
waves will remain between 1 and 3 feet.

$$

GMZ430-222100-
Sabine Lake-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 5 to 10 knots, becoming southwest 10 to
15 knots with gusts up to 20 knots late. Lake waters choppy.
.TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop.
.SUNDAY...West winds around 5 knots, becoming southwest in the
afternoon. Lake waters light chop.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.WEDNESDAY...Southwest winds 5 to 10 knots. Lake waters light
chop.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop.

$$

GMZ432-222100-
Calcasieu Lake-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 5 to 10 knots, becoming southwest 10 to
15 knots with gusts up to 20 knots late. Lake waters choppy.
.TONIGHT...West winds 5 to 10 knots. Lake waters light chop.
.SUNDAY...West winds around 5 knots, becoming southwest in the
afternoon. Lake waters light chop.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Lake waters choppy.
.TUESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Lake waters choppy.
.WEDNESDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Lake waters choppy.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Lake waters
choppy.

$$

GMZ435-222100-
Vermilion and West Cote Blanche Bays-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 5 to 10 knots, becoming southwest 10 to
15 knots with gusts up to 20 knots late. Bay waters choppy. A
slight chance of showers and thunderstorms late.
.TONIGHT...West winds 5 to 10 knots. Bay waters light chop.
.SUNDAY...Northwest winds around 5 knots, becoming southwest in
the afternoon. Bay waters light chop.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Bay waters
light chop. A slight chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-222100-
Atchafalaya and East Cote Blanche Bays-
308 AM CDT Sat Aug 22 2026

.TODAY...Northwest winds 5 to 10 knots, becoming southwest 10 to
15 knots with gusts up to 25 knots late. Bay waters choppy. A
slight chance of showers and thunderstorms this morning. A chance
of showers and thunderstorms late.
.TONIGHT...West winds 5 to 10 knots. Bay waters light chop.
.SUNDAY...Northwest winds around 5 knots, becoming southwest in
the afternoon. Bay waters light chop. A slight chance of showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Bay waters light chop.
.MONDAY...Southwest winds around 5 knots. Bay waters smooth. A
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...Southwest winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms in the
afternoon.
.WEDNESDAY 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.

$$

GMZ450-222100-
Coastal waters from Cameron LA to High Island TX out 20 NM-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds around 10 knots, becoming southwest with
gusts up to 20 knots late. Seas around 2 feet. Wave Detail:
Southwest 2 feet at 4 seconds.
.TONIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds.
.SUNDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Southwest 2 feet at 4 seconds, becoming
southwest 1 foot at 4 seconds.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 3 seconds.
.MONDAY...Southwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 2 feet in the morning,
then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds,
becoming southwest 1 foot at 4 seconds.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds.
.TUESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ452-222100-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.SUNDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: West 2 feet at 4 seconds, becoming southwest
1 foot at 4 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 4 seconds.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Southwest 1 foot
at 4 seconds.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southwest 2 feet at 3 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet.

$$

GMZ455-222100-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 5 to 10 knots, increasing to 10 to 15 knots
late. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds.
A slight chance of showers and thunderstorms early this morning,
then a chance of showers and thunderstorms late this morning. A
slight chance of showers and thunderstorms early this afternoon.
.TONIGHT...West winds 5 to 10 knots. Gusts up to 25 knots in the
evening. Seas around 2 feet in the evening, then 1 foot or less.
Wave Detail: Southwest 2 feet at 4 seconds, becoming west 1 foot
at 3 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 3 seconds.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 3 seconds.
.TUESDAY...Southwest winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas 1 foot or less.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-222100-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.TONIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southwest 2 feet at
4 seconds, becoming southwest 1 foot at 4 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Southwest
1 foot at 4 seconds.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Southwest 2 feet
at 4 seconds, becoming southwest 1 foot at 4 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
10 to 15 knots after midnight. Seas around 2 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
2 feet.

$$

GMZ472-222100-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 10 to 15 knots. Gusts up to 25 knots late.
Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. A
slight chance of showers and thunderstorms until late afternoon.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at
4 seconds, becoming west 1 foot at 4 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: West 1 foot
at 4 seconds, becoming southwest 1 foot at 4 seconds.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Southwest 1 foot
at 3 seconds, becoming southwest 1 foot at 4 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southwest 1 foot
at 4 seconds, becoming southwest 1 foot at 3 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
10 to 15 knots after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-222100-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
308 AM CDT Sat Aug 22 2026

.TODAY...West winds 10 to 15 knots. Gusts up to 25 knots this
afternoon. Seas around 2 feet. Wave Detail: West 2 feet at
4 seconds. A chance of showers and thunderstorms this morning,
then a slight chance of showers and thunderstorms early this
afternoon.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 4 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$