Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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947
FZUS54 KLCH 280838
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
338 AM CDT Sat Jun 28 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.

GMZ400-282100-
338 AM CDT Sat Jun 28 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.

$$

GMZ430-282100-
Sabine Lake-
338 AM CDT Sat Jun 28 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ432-282100-
Calcasieu Lake-
338 AM CDT Sat Jun 28 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ435-282100-
Vermilion and West Cote Blanche Bays-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms this morning, then a
chance of showers and thunderstorms this afternoon.
.TONIGHT...South winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.SUNDAY...South winds 5 to 10 knots. Bay waters light chop.
Showers with a chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
A chance of showers with a slight chance of thunderstorms.
.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...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest 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.
.WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light
chop. A chance of showers and thunderstorms in the morning, then
showers and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
light chop. A chance of showers with a slight chance of
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-282100-
Atchafalaya and East Cote Blanche Bays-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds around 5 knots, becoming south this
afternoon. Bay waters light chop. A slight chance of showers and
thunderstorms this morning, then showers and thunderstorms likely
this afternoon.
.TONIGHT...South winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms.
.SUNDAY...South winds 5 to 10 knots. Bay waters light chop.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
A chance of showers with a slight chance of thunderstorms.
.MONDAY...South 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...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest 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.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
light chop. A chance of showers. A chance of thunderstorms,
mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-282100-
Coastal waters from Cameron LA to High Island TX out 20 NM-
338 AM CDT Sat Jun 28 2025

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

$$

GMZ452-282100-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers and
thunderstorms this morning, then a chance of showers and
thunderstorms this afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 8 seconds and south 2 feet at 4 seconds.
A slight chance of showers and thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.
.SUNDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 8 seconds. A chance of thunderstorms.
Showers.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 7 seconds. A chance of showers with
a slight chance of thunderstorms.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds around 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...Southwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY 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.
.WEDNESDAY...Southwest 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 in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-282100-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or less, then
1 to 2 feet this afternoon. Wave Detail: South 1 foot at
3 seconds. A chance of showers. A slight chance of thunderstorms
early this morning, then a chance of thunderstorms late this
morning and afternoon.
.TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 8 seconds and south 1 foot at 3 seconds.
A chance of thunderstorms. A chance of showers in the evening,
then showers likely after midnight.
.SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 7 seconds. Showers likely with a chance
of thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 2 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 6 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 1 foot at 5 seconds. A chance of
showers with a slight chance of thunderstorms after midnight.
.TUESDAY...Southwest 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. 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 in the
morning, then 1 foot or less. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. A chance of showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-282100-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms late this morning and afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A chance of thunderstorms.
Showers.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 4 feet.
Wave Detail: South 4 feet at 7 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.MONDAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of thunderstorms. A chance of showers, mainly in the
morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.WEDNESDAY NIGHT...South winds around 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.

$$

GMZ472-282100-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of
thunderstorms this morning. A chance of showers. A chance of
thunderstorms this afternoon.
.TONIGHT...South winds around 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A chance of thunderstorms.
A chance of showers in the evening, then showers likely after
midnight.
.SUNDAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A chance of thunderstorms.
Showers.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 4 feet at 7 seconds. A chance of showers with
a slight chance of thunderstorms.
.MONDAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight.
.TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.TUESDAY NIGHT...South 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.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
.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.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-282100-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
338 AM CDT Sat Jun 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A chance of thunderstorms.
A chance of showers this morning, then showers likely this
afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A chance of thunderstorms.
A chance of showers in the evening, then showers likely after
midnight.
.SUNDAY...South winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 7 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.SUNDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 7 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.MONDAY...South 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...South winds around 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...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.TUESDAY 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.
.WEDNESDAY...Southwest winds around 10 knots, diminishing to
around 5 knots in the afternoon. Seas around 2 feet. A chance of
showers. A chance of 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.

Winds and seas higher in and near thunderstorms.

$$