National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 132010
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
309 PM CDT Wed May 13 2026

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.

GMZ400-140900
309 PM CDT Wed May 13 2026

.Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays...

Current conditions are benign, with waves below 3 feet and winds from the north at around 5 knots. Winds will remain light and variable through today into tomorrow as high pressure settles in overhead. By the end of the week, the high pressure will shift to the east, and winds will be onshore at around 10 knots. Waves will remain below 3 feet through the end of the week. No showers or thunderstorms are expected during the week.

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GMZ430-140900
Sabine Lake
309 PM CDT Wed May 13 2026

TONIGHT
Southwest winds around 5 knots. Lake waters smooth.

THURSDAY
Northwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop.

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

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

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

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

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

SUNDAY
Southeast winds 15 to 20 knots. Lake waters rough.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Lake waters rough.

MONDAY
Southeast winds 15 to 20 knots. Lake waters rough. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

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GMZ432-140900
Calcasieu Lake
309 PM CDT Wed May 13 2026

TONIGHT
West winds around 5 knots. Lake waters smooth.

THURSDAY
North winds around 5 knots, becoming south in the afternoon. Lake waters light chop.

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

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

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

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

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

SUNDAY
Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough.

SUNDAY NIGHT
Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough.

MONDAY
Southeast winds 15 to 20 knots. Lake waters rough. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

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GMZ435-140900
Vermilion and West Cote Blanche Bays
309 PM CDT Wed May 13 2026

TONIGHT
Northwest winds around 5 knots. Bay waters smooth.

THURSDAY
Northeast winds around 5 knots, becoming southwest in the afternoon. Bay waters light chop.

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

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

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

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

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

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

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

MONDAY
Southeast winds 15 to 20 knots. Bay waters rough. A slight chance of showers and thunderstorms in the afternoon.

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

Winds and waves higher in and near thunderstorms.

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GMZ436-140900
Atchafalaya and East Cote Blanche Bays
309 PM CDT Wed May 13 2026

TONIGHT
Northwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay waters light chop.

THURSDAY
North winds around 5 knots, becoming west in the afternoon. Bay waters light chop.

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

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

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters light chop.

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

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

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

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

MONDAY
Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms in the afternoon.

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

Winds and waves higher in and near thunderstorms.

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GMZ450-140900
Coastal waters from Cameron LA to High Island TX out 20 NM
309 PM CDT Wed May 13 2026

TONIGHT
Southwest winds around 10 knots, becoming west late. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds.

THURSDAY
Northwest winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds.

THURSDAY NIGHT
South winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 3 seconds, becoming south 2 feet at 3 seconds.

FRIDAY
South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds.

FRIDAY NIGHT
South winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds.

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

SATURDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 4 feet.

SUNDAY
Southeast winds 15 to 20 knots. Seas 3 to 4 feet.

SUNDAY NIGHT
Southeast winds around 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.

MONDAY
Southeast winds around 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ452-140900
Coastal waters from Intracoastal City to Cameron LA out 20 NM
309 PM CDT Wed May 13 2026

TONIGHT
West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds.

THURSDAY
North winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds.

THURSDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds.

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

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

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

SATURDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet.

SUNDAY
Southeast winds 15 to 20 knots. Seas 2 to 4 feet.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Seas 2 to 4 feet.

MONDAY
Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.

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GMZ455-140900
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
309 PM CDT Wed May 13 2026

TONIGHT
Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds.

THURSDAY
North winds around 5 knots, becoming southwest around 5 knots in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds.

THURSDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds.

FRIDAY
South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 1 foot at 3 seconds.

SATURDAY
Southeast winds around 10 knots. Seas around 2 feet.

SATURDAY NIGHT
Southeast winds 10 to 15 knots. Seas around 2 feet.

SUNDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY NIGHT
Southeast winds around 15 knots. Seas 2 to 3 feet.

MONDAY
Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

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GMZ470-140900
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
309 PM CDT Wed May 13 2026

TONIGHT
West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 5 seconds.

THURSDAY
Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 5 seconds.

THURSDAY NIGHT
South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 3 seconds, becoming south 2 feet at 3 seconds.

FRIDAY
South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds.

FRIDAY NIGHT
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.

SATURDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 5 seconds.

SATURDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet.

SUNDAY
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.

MONDAY
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ472-140900
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
309 PM CDT Wed May 13 2026

TONIGHT
West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds.

THURSDAY
Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds, becoming northwest 1 foot at 3 seconds and east 1 foot at 6 seconds.

THURSDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds.

FRIDAY
South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds.

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

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

SATURDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet.

SUNDAY
Southeast winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.

MONDAY
Southeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms.

MONDAY NIGHT
Southeast winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.

Winds and seas higher in and near thunderstorms.

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GMZ475-140900
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
309 PM CDT Wed May 13 2026

TONIGHT
Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 7 seconds.

THURSDAY
North winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 6 seconds.

THURSDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 5 seconds.

FRIDAY
South 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.

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

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

SATURDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet.

SUNDAY
Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

MONDAY
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.

Winds and seas higher in and near thunderstorms.