National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 241109
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
608 AM CDT Tue Mar 24 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.

GMZ400-250000
608 AM CDT Tue Mar 24 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...

Light, variable winds this morning will turn back onshore this afternoon as a weak frontal boundary washes out. This light onshore flow and low seas will prevail through Friday. A cold front will push through the region Friday night into Saturday turning increasing winds offshore through the weekend.

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GMZ430-250000
Sabine Lake
608 AM CDT Tue Mar 24 2026

TODAY
Northeast winds around 5 knots, becoming southeast this afternoon. Lake waters light chop.

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

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

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

THURSDAY
South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy.

THURSDAY NIGHT
South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy.

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

FRIDAY NIGHT
South winds 5 to 10 knots, becoming north after midnight. Lake waters light chop.

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

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

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GMZ432-250000
Calcasieu Lake
608 AM CDT Tue Mar 24 2026

TODAY
Northeast winds around 5 knots, becoming south this afternoon. Lake waters light chop.

TONIGHT
South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop.

WEDNESDAY
Southeast winds around 5 knots, becoming south in the afternoon. Lake waters light chop.

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

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

THURSDAY NIGHT
South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy.

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

FRIDAY NIGHT
South winds 5 to 10 knots, becoming north after midnight. Lake waters light chop.

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

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

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GMZ435-250000
Vermilion and West Cote Blanche Bays
608 AM CDT Tue Mar 24 2026

TODAY
Northeast winds around 5 knots, becoming south this afternoon. Bay waters smooth.

TONIGHT
Southwest winds 5 to 10 knots, becoming south after midnight. Bay waters light chop.

WEDNESDAY
Southeast winds around 5 knots, becoming south in the afternoon. Bay waters light chop.

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

THURSDAY
Southeast winds around 5 knots, becoming south in the afternoon. Bay waters light chop.

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

FRIDAY
South winds around 5 knots. Bay waters smooth.

FRIDAY NIGHT
Southwest winds around 5 knots, becoming northwest after midnight. Bay waters light chop.

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

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

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GMZ436-250000
Atchafalaya and East Cote Blanche Bays
608 AM CDT Tue Mar 24 2026

TODAY
North winds around 5 knots, becoming northeast late this morning, then becoming southwest this afternoon. Bay waters smooth.

TONIGHT
South winds around 5 knots in the evening, becoming light and variable. Bay waters smooth.

WEDNESDAY
East winds around 5 knots, becoming south around 5 knots in the afternoon. Bay waters smooth.

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

THURSDAY
Southeast winds around 5 knots. Bay waters smooth.

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

FRIDAY
South winds around 5 knots. Bay waters smooth.

FRIDAY NIGHT
Southwest winds around 5 knots, becoming northwest after midnight. Bay waters smooth.

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

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

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GMZ450-250000
Coastal waters from Cameron LA to High Island TX out 20 NM
608 AM CDT Tue Mar 24 2026

TODAY
East winds 5 to 10 knots, becoming south late. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds and south 1 foot at 5 seconds.

TONIGHT
South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds.

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

WEDNESDAY NIGHT
South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds.

THURSDAY
South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds.

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

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

FRIDAY NIGHT
Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet.

SATURDAY
Northeast winds 15 to 20 knots. Seas 2 to 3 feet.

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

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GMZ452-250000
Coastal waters from Intracoastal City to Cameron LA out 20 NM
608 AM CDT Tue Mar 24 2026

TODAY
Northeast winds around 5 knots, becoming southeast early this afternoon, then becoming south late. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

TONIGHT
Southwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

WEDNESDAY
Southeast winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

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

THURSDAY
South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 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: South 1 foot at 4 seconds, becoming south 2 feet at 4 seconds.

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

FRIDAY NIGHT
South winds around 5 knots, becoming northwest 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight.

SATURDAY
Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet.

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

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GMZ455-250000
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
608 AM CDT Tue Mar 24 2026

TODAY
North winds around 5 knots, becoming southeast early this afternoon, then becoming southwest late. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds.

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

WEDNESDAY
Southeast winds around 5 knots. Seas 1 foot or less.

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

THURSDAY
Southeast winds around 5 knots. Seas 1 foot or less.

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

FRIDAY
South winds around 5 knots. Seas 1 foot or less.

FRIDAY NIGHT
Southwest winds around 5 knots, becoming northwest after midnight. Seas 1 foot or less.

SATURDAY
Northeast winds 10 to 15 knots. Seas around 2 feet.

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

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GMZ470-250000
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
608 AM CDT Tue Mar 24 2026

TODAY
Southeast winds around 5 knots, becoming east late this morning and early afternoon, then becoming southeast late. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds.

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

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

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

THURSDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: South 1 foot at 5 seconds, becoming south 2 feet at 5 seconds.

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

FRIDAY
Southeast winds 5 to 10 knots. Seas around 2 feet.

FRIDAY NIGHT
Southeast winds around 5 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet.

SATURDAY
Northeast winds 15 to 20 knots. Seas 3 to 4 feet.

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

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GMZ472-250000
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
608 AM CDT Tue Mar 24 2026

TODAY
Northwest winds around 5 knots, becoming northeast around 5 knots late this morning and early afternoon, then becoming southeast late. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 2 feet at 5 seconds, becoming south 1 foot at 5 seconds.

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

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

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

THURSDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 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: Southeast 1 foot at 5 seconds, becoming southeast 2 feet at 5 seconds.

FRIDAY
Southeast winds 5 to 10 knots. Seas around 2 feet.

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

SATURDAY
Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet.

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

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GMZ475-250000
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
608 AM CDT Tue Mar 24 2026

TODAY
North winds around 5 knots, becoming northeast early this afternoon, then becoming west late. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

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

WEDNESDAY
East winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds.

WEDNESDAY NIGHT
Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds.

THURSDAY
Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds and southeast 1 foot at 6 seconds.

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

FRIDAY
Southeast winds around 5 knots. Seas 1 foot or less.

FRIDAY NIGHT
East winds around 5 knots, becoming north after midnight. Seas 1 foot or less.

SATURDAY
Northeast winds 15 to 20 knots. Seas 2 to 3 feet.

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