FZUS54 KLCH 260826
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
326 AM CDT Wed Mar 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.

GMZ400-262115
326 AM CDT Wed Mar 26 2025

SYNOPSIS

A light onshore flow will persist into early Thursday, however winds will increase for late week. A weak area of low pressure and disturbance aloft will mover across Texas and Louisiana late Thursday into Saturday. An increase in storm chances and winds will occur as a result.

A cold front will move into the coastal waters Monday with an offshore flow persisting into Tuesday.

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GMZ430-262115
Sabine Lake
326 AM CDT Wed Mar 26 2025

TODAY
Southeast winds 5 to 10 knots. Lake waters light chop. Areas of fog early this morning, then patchy fog late this morning.

TONIGHT
Southeast winds 5 to 10 knots. Lake waters light chop.

THURSDAY
Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers in the afternoon.

THURSDAY NIGHT
Southeast winds 15 to 20 knots. Lake waters rough. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight.

FRIDAY
Southeast winds 15 to 20 knots. Lake waters rough. A chance of thunderstorms. Showers.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Lake waters choppy. A chance of thunderstorms. Showers likely, mainly in the evening.

SATURDAY
South winds 10 to 15 knots. Lake waters choppy. A slight chance of showers and thunderstorms in the morning.

SATURDAY NIGHT
South winds around 10 knots. Lake waters light chop.

SUNDAY
South winds 10 to 15 knots. Lake waters choppy.

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

Winds and waves higher in and near thunderstorms.

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GMZ432-262115
Calcasieu Lake
326 AM CDT Wed Mar 26 2025

TODAY
South winds around 5 knots, becoming southeast late this morning and afternoon. Lake waters light chop. Areas of fog early this morning, then patchy fog late this morning.

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

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

THURSDAY NIGHT
Southeast winds 15 to 20 knots. Lake waters rough. A chance of showers and thunderstorms after midnight.

FRIDAY
Southeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon.

FRIDAY NIGHT
Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Lake waters rough. Showers likely with a chance of thunderstorms.

SATURDAY
South winds 10 to 15 knots. Lake waters choppy. A slight chance of thunderstorms. A chance of showers, mainly in the morning.

SATURDAY NIGHT
South winds 10 to 15 knots. Lake waters choppy.

SUNDAY
South winds 10 to 15 knots. Lake waters choppy.

SUNDAY NIGHT
South winds around 10 knots. Lake waters light chop.

Winds and waves higher in and near thunderstorms.

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GMZ435-262115
Vermilion and West Cote Blanche Bays
326 AM CDT Wed Mar 26 2025

TODAY
Light and variable winds, becoming south 5 to 10 knots. Bay waters light chop. Areas of fog early this morning, then patchy fog late this morning.

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

THURSDAY
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay waters choppy.

THURSDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Bay waters choppy.

FRIDAY
Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A slight chance of thunderstorms. A slight chance of showers in the morning, then showers likely in the afternoon.

FRIDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of thunderstorms. Showers.

SATURDAY
South winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms. A chance of showers.

SATURDAY NIGHT
South winds around 10 knots. Bay waters light chop.

SUNDAY
South winds around 10 knots. Bay waters light chop.

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

Winds and waves higher in and near thunderstorms.

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GMZ436-262115
Atchafalaya and East Cote Blanche Bays
326 AM CDT Wed Mar 26 2025

TODAY
Light and variable winds, becoming east around 5 knots late this morning, then becoming south around 5 knots this afternoon. Bay waters smooth. Areas of fog early this morning, then patchy fog late this morning.

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

THURSDAY
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters choppy.

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

FRIDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A slight chance of thunderstorms. A slight chance of showers in the morning, then showers likely in the afternoon.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms. Showers.

SATURDAY
South winds around 10 knots. Bay waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning.

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

SUNDAY
South winds 5 to 10 knots. Bay waters light chop.

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

Winds and waves higher in and near thunderstorms.

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GMZ450-262115
Coastal waters from Cameron LA to High Island TX out 20 NM
326 AM CDT Wed Mar 26 2025

TODAY
Southeast winds around 5 knots, becoming east this afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Patchy fog this morning.

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

THURSDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A slight chance of showers in the afternoon.

THURSDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

FRIDAY
Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of thunderstorms. Showers.

FRIDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 8 seconds and southeast 3 feet at 4 seconds. A chance of thunderstorms. Showers likely, mainly in the evening.

SATURDAY
South winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms in the morning.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY
South winds around 10 knots. Seas 2 to 3 feet.

SUNDAY NIGHT
South winds around 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

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GMZ452-262115
Coastal waters from Intracoastal City to Cameron LA out 20 NM
326 AM CDT Wed Mar 26 2025

TODAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog this morning.

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

THURSDAY
Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds.

THURSDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight.

FRIDAY
Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon.

FRIDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A chance of thunderstorms. Showers.

SATURDAY
South winds 10 to 15 knots. Seas 2 to 4 feet. A chance of showers and thunderstorms, mainly in the morning.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY
South winds around 10 knots. Seas 2 to 3 feet.

SUNDAY NIGHT
South winds around 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

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GMZ455-262115
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
326 AM CDT Wed Mar 26 2025

TODAY
East winds around 5 knots. Seas 1 foot or less. Patchy fog this morning.

TONIGHT
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds.

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

THURSDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and southeast 2 feet at 7 seconds.

FRIDAY
Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 8 seconds and southeast 2 feet at 3 seconds. A slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.

FRIDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 8 seconds and southeast 2 feet at 3 seconds. A chance of thunderstorms. Showers.

SATURDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
South winds around 10 knots. Seas 2 to 3 feet.

SUNDAY
South winds 5 to 10 knots. Seas around 2 feet.

SUNDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

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GMZ470-262115
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
326 AM CDT Wed Mar 26 2025

TODAY
Southeast winds 5 to 10 knots, becoming east this afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog this morning.

TONIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.

THURSDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers in the afternoon.

THURSDAY NIGHT
Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

FRIDAY
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. Showers likely with a chance of thunderstorms.

SATURDAY
South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms in the morning.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.

SUNDAY
South winds 5 to 10 knots. Seas 3 to 4 feet.

SUNDAY NIGHT
South winds around 10 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

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GMZ472-262115
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
326 AM CDT Wed Mar 26 2025

TODAY
Southeast winds 5 to 10 knots, becoming east this afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog early this morning.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.

THURSDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.

THURSDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight.

FRIDAY
Southeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 8 seconds. Showers likely with a chance of thunderstorms.

SATURDAY
South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers and thunderstorms, mainly in the morning.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.

SUNDAY
South winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet.

SUNDAY NIGHT
South winds around 10 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

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GMZ475-262115
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
326 AM CDT Wed Mar 26 2025

TODAY
East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.

TONIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds.

THURSDAY
Southeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds.

THURSDAY NIGHT
Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds.

FRIDAY
Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 7 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.

FRIDAY NIGHT
Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 8 seconds. Showers likely with a chance of thunderstorms.

SATURDAY
South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.

SUNDAY
South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.

SUNDAY NIGHT
South winds around 10 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.