National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 282009
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
309 PM CDT Thu May 28 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.

GMZ400-290900
309 PM CDT Thu May 28 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 general light onshore flow is anticipated through the weekend. Seas will remain 1 to 3 feet across the gulf waters.

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GMZ430-290900
Sabine Lake
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds around 5 knots until early morning, becoming light and variable. Lake waters smooth.

FRIDAY
Southwest winds around 5 knots. Lake waters smooth.

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

SATURDAY
Southwest winds 5 to 10 knots. Lake waters light chop.

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

SUNDAY
South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop.

SUNDAY NIGHT
South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop.

MONDAY
Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. A chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. A slight chance of showers and thunderstorms.

TUESDAY
East winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

TUESDAY NIGHT
Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

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GMZ432-290900
Calcasieu Lake
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds around 5 knots. Lake waters smooth.

FRIDAY
Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon.

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

SATURDAY
Southwest winds 5 to 10 knots. Lake waters light chop.

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

SUNDAY
South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop.

SUNDAY NIGHT
South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop.

MONDAY
Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. A slight chance of showers and thunderstorms.

TUESDAY
Northeast winds around 5 knots, becoming east in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

TUESDAY NIGHT
Southeast winds around 5 knots, becoming east after midnight. Lake waters smooth. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

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GMZ435-290900
Vermilion and West Cote Blanche Bays
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay waters light chop. A slight chance of showers and thunderstorms early this evening.

FRIDAY
Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon.

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

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

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

SUNDAY
Southwest winds around 5 knots, becoming south in the afternoon. Bay waters light chop.

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

MONDAY
South winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms in the afternoon.

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

TUESDAY
North winds around 5 knots, becoming east in the afternoon. Bay waters smooth. A chance of showers and thunderstorms.

TUESDAY NIGHT
Southwest winds around 5 knots, becoming north after midnight. Bay waters smooth. A chance of showers. A chance of thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

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GMZ436-290900
Atchafalaya and East Cote Blanche Bays
309 PM CDT Thu May 28 2026

TONIGHT
South winds 5 to 10 knots, becoming southwest after midnight. Bay waters light chop. A slight chance of showers and thunderstorms early this evening. A slight chance of showers after midnight.

FRIDAY
Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon.

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

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

SATURDAY NIGHT
Southwest winds around 5 knots. Bay waters smooth.

SUNDAY
South winds around 5 knots. Bay waters smooth.

SUNDAY NIGHT
South winds around 5 knots. Bay waters smooth.

MONDAY
Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms.

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

TUESDAY
North winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. A chance of showers and thunderstorms.

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

Winds and waves higher in and near thunderstorms.

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GMZ450-290900
Coastal waters from Cameron LA to High Island TX out 20 NM
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 2 seconds and south 1 foot at 6 seconds.

FRIDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds.

FRIDAY NIGHT
South winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds.

SATURDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds.

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

SUNDAY
South winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

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

MONDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. A slight chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.

TUESDAY
East winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

TUESDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the evening.

Winds and seas higher in and near thunderstorms.

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GMZ452-290900
Coastal waters from Intracoastal City to Cameron LA out 20 NM
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and south 1 foot at 6 seconds.

FRIDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 2 seconds and south 1 foot at 6 seconds.

FRIDAY NIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds and south 1 foot at 6 seconds.

SATURDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and south 1 foot at 3 seconds.

SATURDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds.

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

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

MONDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.

MONDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.

TUESDAY
Northeast winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. A chance of showers and thunderstorms.

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

Winds and seas higher in and near thunderstorms.

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GMZ455-290900
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers after midnight.

FRIDAY
Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds.

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

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

SATURDAY NIGHT
Southwest winds around 5 knots. Seas 1 foot or less.

SUNDAY
South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

SUNDAY NIGHT
South winds around 5 knots. Seas 1 foot or less.

MONDAY
South winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.

MONDAY NIGHT
Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.

TUESDAY
North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms.

TUESDAY NIGHT
Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers.

Winds and seas higher in and near thunderstorms.

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GMZ470-290900
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.

FRIDAY
Southwest winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds.

FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and south 1 foot at 3 seconds.

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

SATURDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.

SUNDAY
Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.

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

MONDAY
Southeast winds around 5 knots. Seas around 2 feet.

MONDAY NIGHT
Southeast winds around 5 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight.

TUESDAY
East winds around 5 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning.

TUESDAY NIGHT
Southeast winds around 5 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ472-290900
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

FRIDAY
West winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.

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

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

SUNDAY
Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds.

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

MONDAY
Southeast winds around 5 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning.

MONDAY NIGHT
Southeast winds around 5 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight.

TUESDAY
East winds around 5 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning.

TUESDAY NIGHT
Southeast winds around 5 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ475-290900
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
309 PM CDT Thu May 28 2026

TONIGHT
Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and west 1 foot at 5 seconds.

FRIDAY
West winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

FRIDAY NIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.

SATURDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds.

SATURDAY NIGHT
South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds.

SUNDAY
Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms after midnight.

MONDAY
Southeast winds around 5 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the morning.

MONDAY NIGHT
South winds around 5 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight.

TUESDAY
Northeast winds around 5 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

TUESDAY NIGHT
Southeast winds around 5 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.