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FZUS54 KLCH 290848
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
348 AM CDT Sun Jun 29 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.

GMZ400-292145-
348 AM CDT Sun Jun 29 2025

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

A surface high off the southeast U.S. coast will continue to
ridge across the northern Gulf and into the coastal through the
weekend into early next week resulting in light onshore flow and
low seas. Daily showers and thunderstorms are expected with little
day to day change.

$$

GMZ430-292145-
Sabine Lake-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms early this morning, then
showers and thunderstorms likely late this morning and early
afternoon. A chance of showers and thunderstorms late.
.TONIGHT...South winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
A chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
A slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Southwest winds around 5 knots. Lake waters smooth.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth. A chance of showers with a slight chance of thunderstorms
after midnight.
.THURSDAY...Southwest winds 5 to 10 knots. Lake waters light
chop. A chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-292145-
Calcasieu Lake-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds 5 to 10 knots. Lake waters light chop.
Showers and thunderstorms likely.
.TONIGHT...South winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
A chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...West winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.THURSDAY...West winds around 5 knots. Lake waters smooth. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-292145-
Vermilion and West Cote Blanche Bays-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds 5 to 10 knots. Bay waters light chop. A
chance of thunderstorms this morning. Showers likely.
Thunderstorms likely this afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms, mainly in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Bay waters light
chop. A chance of showers and thunderstorms.
.THURSDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-292145-
Atchafalaya and East Cote Blanche Bays-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms this morning, then showers
and thunderstorms likely early this afternoon. A chance of
showers and thunderstorms late.
.TONIGHT...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms, mainly in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Bay waters light
chop. A chance of showers and thunderstorms.
.THURSDAY...West winds around 5 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-292145-
Coastal waters from Cameron LA to High Island TX out 20 NM-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of thunderstorms this
morning. Showers likely. Thunderstorms likely this afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms.
.MONDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 3 seconds and south 1 foot
at 7 seconds. A slight chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-292145-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of thunderstorms this
morning. Showers likely. Thunderstorms likely this afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 6 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 3 seconds and south
1 foot at 7 seconds. A slight chance of showers and thunderstorms
in the evening, then a chance of showers and thunderstorms after
midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-292145-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 2 seconds. A chance of thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 2 seconds. A chance of showers and
thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southwest 1 foot at 3 seconds. A slight
chance of showers and thunderstorms in the evening, then a chance
of showers and thunderstorms after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
A chance of thunderstorms. A chance of showers in the evening,
then showers likely after midnight.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-292145-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 5 seconds and southeast 3 feet at
8 seconds. A chance of thunderstorms this morning. Showers
likely. Thunderstorms likely this afternoon.
.TONIGHT...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 7 seconds. A slight chance of showers and
thunderstorms.
.MONDAY...South winds around 10 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 7 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 7 seconds. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 7 seconds. A slight chance of
showers and thunderstorms after midnight.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
.THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-292145-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A chance of thunderstorms.
Showers likely until late afternoon, then a chance of showers
late.
.TONIGHT...South winds around 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 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 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds and southwest 2 feet at
8 seconds. A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 7 seconds. A chance of
showers with a slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers. A chance of thunderstorms, mainly in the
morning.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-292145-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
348 AM CDT Sun Jun 29 2025

.TODAY...South winds around 10 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of thunderstorms.
.TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds. A chance of showers. A chance
of thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 7 seconds. A slight chance
of showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers. A chance of thunderstorms, mainly in the
morning.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers. A chance of thunderstorms, mainly in the
morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$