National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 290810
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
309 AM CDT Thu Oct 29 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.

GMZ400-292100
309 AM CDT Thu Oct 29 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...

A light to moderate easterly flow continues into early next week, with occasional gusts to 15-20 kts possible Friday into the weekend as the pressure gradient briefly tightens. Small craft should continue to exercise caution through this period, especially across the outer coastal waters. Friday afternoon/evening, rain chances return and remain elevated through Saturday as a surge of moisture overspreads the region.

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GMZ430-292100
Sabine Lake
309 AM CDT Thu Oct 29 2026

TODAY
East winds 5 to 10 knots. Lake waters light chop.

TONIGHT
Southeast winds around 5 knots, becoming east after midnight. Lake waters light chop.

FRIDAY
East winds 5 to 10 knots. Lake waters light chop.

FRIDAY NIGHT
East winds 5 to 10 knots. Lake waters light chop.

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

SATURDAY NIGHT
East winds around 5 knots. Lake waters smooth.

SUNDAY
East winds around 5 knots. Lake waters smooth.

SUNDAY NIGHT
Southeast winds around 5 knots. Lake waters smooth.

MONDAY
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy.

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

Winds and waves higher in and near thunderstorms.

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GMZ432-292100
Calcasieu Lake
309 AM CDT Thu Oct 29 2026

TODAY
East winds 5 to 10 knots. Lake waters light chop.

TONIGHT
Southeast winds around 5 knots, becoming east after midnight. Lake waters light chop.

FRIDAY
East winds 5 to 10 knots. Lake waters light chop.

FRIDAY NIGHT
East winds 5 to 10 knots. Lake waters light chop.

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

SATURDAY NIGHT
East winds around 5 knots. Lake waters smooth.

SUNDAY
East winds around 5 knots. Lake waters smooth.

SUNDAY NIGHT
Southeast winds around 5 knots. Lake waters smooth.

MONDAY
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy.

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

Winds and waves higher in and near thunderstorms.

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GMZ435-292100
Vermilion and West Cote Blanche Bays
309 AM CDT Thu Oct 29 2026

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

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

FRIDAY
East winds around 10 knots, becoming southeast in the afternoon. Bay waters light chop.

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

SATURDAY
East winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the afternoon.

SATURDAY NIGHT
East winds around 5 knots. Bay waters smooth. A slight chance of showers in the evening.

SUNDAY
Northeast winds 5 to 10 knots, becoming east in the afternoon. Bay waters light chop.

SUNDAY NIGHT
East winds around 5 knots, increasing to 5 to 10 knots after midnight. Bay waters light chop.

MONDAY
East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop.

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

Winds and waves higher in and near thunderstorms.

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GMZ436-292100
Atchafalaya and East Cote Blanche Bays
309 AM CDT Thu Oct 29 2026

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

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

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

FRIDAY NIGHT
East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers after midnight.

SATURDAY
East 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.

SATURDAY NIGHT
East winds around 5 knots. Bay waters smooth. A slight chance of showers in the evening.

SUNDAY
Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
East winds around 5 knots, increasing to 5 to 10 knots after midnight. Bay waters light chop.

MONDAY
East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop.

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

Winds and waves higher in and near thunderstorms.

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GMZ450-292100
Coastal waters from Cameron LA to High Island TX out 20 NM
309 AM CDT Thu Oct 29 2026

TODAY
East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.

TONIGHT
East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.

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

FRIDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms.

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

SUNDAY
East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less.

SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight.

MONDAY
Southeast winds 10 to 15 knots. Seas around 2 feet.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

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GMZ452-292100
Coastal waters from Intracoastal City to Cameron LA out 20 NM
309 AM CDT Thu Oct 29 2026

TODAY
East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds.

TONIGHT
East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.

FRIDAY
East winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.

FRIDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms after midnight.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds.

SUNDAY
East winds 5 to 10 knots. Seas 1 foot or less.

SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 1 foot or less.

MONDAY
East winds 10 to 15 knots. Seas around 2 feet.

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

Winds and seas higher in and near thunderstorms.

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GMZ455-292100
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
309 AM CDT Thu Oct 29 2026

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

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

FRIDAY
East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds.

FRIDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers.

SUNDAY
Northeast winds 5 to 10 knots. Seas 1 foot or less.

SUNDAY NIGHT
East winds 5 to 10 knots. Seas 1 foot or less.

MONDAY
East winds around 10 knots. Seas 1 foot or less.

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

Winds and seas higher in and near thunderstorms.

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GMZ470-292100
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
309 AM CDT Thu Oct 29 2026

SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH FRIDAY AFTERNOON

TODAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

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

FRIDAY
East winds around 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds.

FRIDAY NIGHT
East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds.

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

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

MONDAY
Southeast winds around 10 knots. Seas 2 to 3 feet.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

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GMZ472-292100
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
309 AM CDT Thu Oct 29 2026

SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH FRIDAY AFTERNOON

TODAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

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

FRIDAY
East winds around 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers in the afternoon.

FRIDAY NIGHT
East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of thunderstorms in the evening. A slight chance of showers.

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

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

MONDAY
East winds 10 to 15 knots. Seas around 2 feet.

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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GMZ475-292100
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
309 AM CDT Thu Oct 29 2026

SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH FRIDAY AFTERNOON

TODAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 7 seconds.

TONIGHT
East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds.

FRIDAY
East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers in the afternoon.

FRIDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

SATURDAY
East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Showers likely with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers, mainly in the evening.

SUNDAY
Northeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the morning.

SUNDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet.

MONDAY
East winds 10 to 15 knots. Seas 2 to 3 feet.

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

Winds and seas higher in and near thunderstorms.