FZUS54 KLCH 290850
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
350 AM CDT Tue Apr 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.

GMZ400-292130
350 AM CDT Tue Apr 29 2025

SYNOPSIS

Surface high pressure ridging across the northern Gulf will keep light to moderate south to southeast winds across the coastal waters through the period. The next chance of showers and thunderstorms expected Friday and Saturday as a cool front approaches and moves across the coastal waters.

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GMZ430-292130
Sabine Lake
350 AM CDT Tue Apr 29 2025

TODAY
South winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Lake waters choppy.

TONIGHT
Southeast winds 10 to 15 knots. Lake waters choppy.

WEDNESDAY
South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy.

WEDNESDAY NIGHT
South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers and thunderstorms.

THURSDAY
South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A chance of showers and thunderstorms.

THURSDAY NIGHT
South winds 5 to 10 knots. Lake waters light chop.

FRIDAY
South winds 5 to 10 knots. Lake waters light chop. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
South winds 5 to 10 knots, becoming northeast after midnight. Lake waters light chop. A chance of showers and thunderstorms, mainly in the evening.

SATURDAY
Northeast winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East 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.

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GMZ432-292130
Calcasieu Lake
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy.

TONIGHT
Southeast winds 10 to 15 knots. Lake waters choppy.

WEDNESDAY
South winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough.

WEDNESDAY NIGHT
South winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough. A slight chance of showers and thunderstorms after midnight.

THURSDAY
South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A chance of showers. A chance of thunderstorms, mainly in the morning.

THURSDAY NIGHT
South winds 5 to 10 knots. Lake waters light chop.

FRIDAY
South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
South winds 5 to 10 knots, becoming northeast after midnight. Lake waters light chop. A chance of showers and thunderstorms, mainly in the evening.

SATURDAY
Northeast winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East 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.

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GMZ435-292130
Vermilion and West Cote Blanche Bays
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Bay waters choppy.

TONIGHT
Southeast winds 10 to 15 knots. Bay waters choppy.

WEDNESDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy.

WEDNESDAY NIGHT
South winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy.

THURSDAY
South winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A slight chance of showers and thunderstorms.

THURSDAY NIGHT
South winds 5 to 10 knots. Bay waters light chop.

FRIDAY
South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
South winds 5 to 10 knots, becoming northeast after midnight. Bay waters light chop. A chance of showers and thunderstorms, mainly in the evening.

SATURDAY
Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

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GMZ436-292130
Atchafalaya and East Cote Blanche Bays
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 5 to 10 knots. Bay waters light chop.

TONIGHT
Southeast winds around 10 knots. Bay waters light chop.

WEDNESDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters choppy.

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.

FRIDAY
South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
South winds around 5 knots, becoming east after midnight. Bay waters smooth. A chance of showers and thunderstorms, mainly in the evening.

SATURDAY
Northeast winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms.

SATURDAY NIGHT
East winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

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GMZ450-292130
Coastal waters from Cameron LA to High Island TX out 20 NM
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

TONIGHT
Southeast winds 15 to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

WEDNESDAY
Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds.

WEDNESDAY NIGHT
South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms.

THURSDAY
South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 5 seconds. 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 around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms.

FRIDAY
South winds around 10 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. A chance of showers and thunderstorms.

SATURDAY
East winds around 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ452-292130
Coastal waters from Intracoastal City to Cameron LA out 20 NM
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.

TONIGHT
Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds.

WEDNESDAY
Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 5 seconds.

WEDNESDAY NIGHT
South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight.

THURSDAY
South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 5 seconds. A slight chance of showers and thunderstorms.

THURSDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight.

FRIDAY
South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
South winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the evening.

SATURDAY
East winds around 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the morning.

SATURDAY NIGHT
East winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ455-292130
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds.

WEDNESDAY
Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds.

THURSDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds. A slight chance of showers and thunderstorms.

THURSDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds.

FRIDAY
South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
South winds around 5 knots, becoming east after midnight. Seas 1 to 2 feet in the evening, then 1 foot or less. A chance of showers and thunderstorms, mainly in the evening.

SATURDAY
Northeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ470-292130
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

TONIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds.

WEDNESDAY
Southeast winds 15 to 20 knots. Seas around 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.

WEDNESDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. A slight chance of showers and thunderstorms.

THURSDAY
South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms.

THURSDAY NIGHT
South winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of showers and thunderstorms.

FRIDAY
South winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

SATURDAY
East winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

SATURDAY NIGHT
East winds around 10 knots. Seas 2 to 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.

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GMZ472-292130
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

TONIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds.

WEDNESDAY
Southeast winds 15 to 20 knots. Seas around 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.

WEDNESDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds.

THURSDAY
South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms.

THURSDAY NIGHT
South winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight.

FRIDAY
South winds around 10 knots. Seas around 3 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

SATURDAY
East winds around 10 knots. Seas 2 to 3 feet. A chance of showers. A chance of thunderstorms, mainly in the morning.

SATURDAY NIGHT
East winds around 10 knots. Seas 2 to 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.

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GMZ475-292130
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
350 AM CDT Tue Apr 29 2025

TODAY
Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

TONIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.

WEDNESDAY
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds.

WEDNESDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon.

THURSDAY NIGHT
South winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds.

FRIDAY
South winds 5 to 10 knots. Seas 2 to 4 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

SATURDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers. A chance of thunderstorms, mainly in the morning.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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