Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 160724
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
224 AM CDT Mon Jun 16 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.

GMZ400-162015-
224 AM CDT Mon Jun 16 2025

.SYNOPSIS...

Light to moderate onshore flow will continue for the next several
days. Combined seas are between 1 and 3 feet are will be steady
for the next several days. The main concern will be local impacts
from showers and thunderstorms, primary during the afternoon
hours. That said, lingering shower activity may periodically
extend during the overnight hours near the 20-60nm offshore zones.



$$

GMZ430-162015-
Sabine Lake-
224 AM CDT Mon Jun 16 2025

.TODAY...Southwest winds 5 to 10 knots. Lake waters light chop. A
chance of thunderstorms this morning. Showers likely.
Thunderstorms likely this afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop.
A slight chance of showers and thunderstorms in the evening.
.TUESDAY...South winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots. Lake waters light
chop.
.WEDNESDAY...South winds around 10 knots. Lake waters light chop.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.THURSDAY...South winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms after
midnight.
.FRIDAY...Southeast winds 5 to 10 knots. Lake waters light chop.
A chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-162015-
Calcasieu Lake-
224 AM CDT Mon Jun 16 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ435-162015-
Vermilion and West Cote Blanche Bays-
224 AM CDT Mon Jun 16 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ436-162015-
Atchafalaya and East Cote Blanche Bays-
224 AM CDT Mon Jun 16 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ450-162015-
Coastal waters from Cameron LA to High Island TX out 20 NM-
224 AM CDT Mon Jun 16 2025

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

$$

GMZ452-162015-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
224 AM CDT Mon Jun 16 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ455-162015-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
224 AM CDT Mon Jun 16 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ470-162015-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
224 AM CDT Mon Jun 16 2025

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

$$

GMZ472-162015-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
224 AM CDT Mon Jun 16 2025

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

$$

GMZ475-162015-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
224 AM CDT Mon Jun 16 2025

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

Winds and seas higher in and near thunderstorms.

$$