548
FZUS54 KLCH 262017
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
317 PM CDT Sat Apr 26 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.

GMZ400-270930-
317 PM CDT Sat Apr 26 2025

.SYNOPSIS...
Light to moderate onshore flow will persist through the forecast
period. Tides will run half a foot to a foot above normal.

$$

GMZ430-270930-
Sabine Lake-
317 PM CDT Sat Apr 26 2025

.TONIGHT...South winds 5 to 10 knots. Lake waters light chop.
Patchy fog late.
.SUNDAY...Southeast winds 5 to 10 knots. Lake waters light chop.
Patchy fog in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.MONDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Lake waters choppy.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.
.TUESDAY...South winds 10 to 15 knots. Lake waters choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.
.WEDNESDAY...South winds 10 to 15 knots. Lake waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters
choppy. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...South 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.

$$

GMZ432-270930-
Calcasieu Lake-
317 PM CDT Sat Apr 26 2025

.TONIGHT...South winds 5 to 10 knots. Lake waters light chop.
Patchy fog late.
.SUNDAY...Southeast winds 5 to 10 knots. Lake waters light chop.
Patchy fog in the morning.
.SUNDAY NIGHT...South winds around 10 knots. Lake waters light
chop.
.MONDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Lake waters choppy.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.
.TUESDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.
.WEDNESDAY...South winds 10 to 15 knots. Lake waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters
choppy. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of showers with a slight chance of 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.

$$

GMZ435-270930-
Vermilion and West Cote Blanche Bays-
317 PM CDT Sat Apr 26 2025

.TONIGHT...South winds 5 to 10 knots, diminishing to around
5 knots late. Bay waters light chop. Patchy fog late.
.SUNDAY...East winds around 5 knots, becoming south in the
afternoon. Bay waters light chop. Patchy fog in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay waters light
chop.
.TUESDAY...Southeast winds 10 to 15 knots. Bay waters choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy.
.WEDNESDAY...Southeast winds 10 to 15 knots. Bay waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
.THURSDAY...South winds 10 to 15 knots. Bay waters choppy. A
slight chance of thunderstorms. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.THURSDAY NIGHT...South 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.

$$

GMZ436-270930-
Atchafalaya and East Cote Blanche Bays-
317 PM CDT Sat Apr 26 2025

.TONIGHT...South winds around 5 knots. Bay waters smooth.
.SUNDAY...East winds around 5 knots, becoming south in the
afternoon. Bay waters light chop. Patchy fog in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...Southeast winds around 10 knots. Bay waters light
chop.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light
chop.
.WEDNESDAY...Southeast winds 10 to 15 knots. Bay waters choppy.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop.
.THURSDAY...South winds around 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms.
.THURSDAY NIGHT...South 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.

$$

GMZ450-270930-
Coastal waters from Cameron LA to High Island TX out 20 NM-
317 PM CDT Sat Apr 26 2025

.TONIGHT...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds.
.MONDAY NIGHT...Southeast winds around 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
4 seconds.
.TUESDAY...Southeast winds around 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...South winds 15 to 20 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-270930-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
317 PM CDT Sat Apr 26 2025

.TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. Patchy fog late.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and southeast 1 foot at
2 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 3 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
4 seconds.
.TUESDAY...Southeast winds around 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
4 feet.
.WEDNESDAY...Southeast winds around 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
A slight chance of showers and thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. A
slight chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-270930-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
317 PM CDT Sat Apr 26 2025

.TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 3 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 2 seconds.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 2 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon. Wave Detail: South 1 foot at
3 seconds, becoming southeast 1 foot at 3 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 3 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 3 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-270930-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
317 PM CDT Sat Apr 26 2025

.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. Patchy fog in the morning.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: South 3 feet at 6 seconds.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds around 15 knots. Seas around
4 feet.
.WEDNESDAY...Southeast winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.WEDNESDAY NIGHT...South winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-270930-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
317 PM CDT Sat Apr 26 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet, occasionally to 6 feet.
.THURSDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-270930-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
317 PM CDT Sat Apr 26 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds around 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
4 feet.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$