National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 072010
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
309 PM CDT Thu May 7 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.

GMZ400-080900
309 PM CDT Thu May 7 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 cold front is currently located in the north Gulf. This front will stall and slowly retrograde north over the weekend. Conditions will be overcast with periods of heavy rain along with isolated thunderstorms. Winds will be from the north through Monday and will become southerly starting on Tuesday. No hazards are expected for mariners at this time.


GMZ430-080900
Sabine Lake
309 PM CDT Thu May 7 2026

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

FRIDAY
East winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Patchy fog.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

SATURDAY
East winds around 5 knots. Lake waters smooth. A chance of thunderstorms. Showers likely, mainly in the morning.

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

SUNDAY
Southeast winds around 5 knots. Lake waters smooth.

SUNDAY NIGHT
South winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms in the evening.

MONDAY
Northeast winds 5 to 10 knots. Lake waters light chop.

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

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

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

Winds and waves higher in and near thunderstorms.


GMZ432-080900
Calcasieu Lake
309 PM CDT Thu May 7 2026

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

FRIDAY
East winds around 10 knots. Lake waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Patchy fog.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

SATURDAY
East winds around 5 knots. Lake waters smooth. A chance of thunderstorms. Showers likely, mainly in the morning.

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

SUNDAY
Southeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
South winds around 5 knots, becoming north after midnight. Lake waters light chop. A slight chance of showers and thunderstorms in the evening.

MONDAY
Northeast winds 5 to 10 knots. Lake waters light chop.

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

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

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

Winds and waves higher in and near thunderstorms.


GMZ435-080900
Vermilion and West Cote Blanche Bays
309 PM CDT Thu May 7 2026

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

FRIDAY
East winds around 10 knots, becoming southeast in the afternoon. Bay waters light chop. 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 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

SATURDAY
South winds around 5 knots. Bay waters smooth. A chance of thunderstorms. Showers.

SATURDAY NIGHT
Southeast winds around 5 knots. Bay waters smooth. A chance of showers. A chance of thunderstorms, mainly in the evening.

SUNDAY
South winds around 5 knots. Bay waters smooth. A slight chance of thunderstorms. A chance of showers, mainly in the morning.

SUNDAY NIGHT
South winds around 5 knots, becoming northwest after midnight. Bay waters smooth. A slight chance of showers and thunderstorms in the evening.

MONDAY
North winds 5 to 10 knots. Bay waters light chop.

MONDAY NIGHT
Northeast winds around 10 knots. Bay waters light chop.

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

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

Winds and waves higher in and near thunderstorms.


GMZ436-080900
Atchafalaya and East Cote Blanche Bays
309 PM CDT Thu May 7 2026

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

FRIDAY
East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. Patchy fog in the morning. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight.

SATURDAY
South winds around 5 knots. Bay waters smooth. A chance of thunderstorms. Showers.

SATURDAY NIGHT
South winds around 5 knots. Bay waters smooth. A chance of showers. A chance of thunderstorms, mainly in the evening.

SUNDAY
South winds around 5 knots. Bay waters smooth. A slight chance of thunderstorms. A chance of showers, mainly in the morning.

SUNDAY NIGHT
Southeast winds around 5 knots, becoming north after midnight. Bay waters smooth. A slight chance of showers and thunderstorms in the evening.

MONDAY
North winds 5 to 10 knots. Bay waters light chop.

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

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

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

Winds and waves higher in and near thunderstorms.


GMZ450-080900
Coastal waters from Cameron LA to High Island TX out 20 NM
309 PM CDT Thu May 7 2026

TONIGHT
Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and south 1 foot at 7 seconds. Patchy fog late.

FRIDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and south 1 foot at 7 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Patchy fog.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

SATURDAY
East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight.

SUNDAY
Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds.

SUNDAY NIGHT
Southeast winds around 5 knots, becoming northeast after midnight. Seas around 2 feet in the evening, then 1 foot or less.

MONDAY
Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet.

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

TUESDAY
East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet.

TUESDAY NIGHT
South winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.


GMZ452-080900
Coastal waters from Intracoastal City to Cameron LA out 20 NM
309 PM CDT Thu May 7 2026

TONIGHT
Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 2 feet at 6 seconds. Patchy fog late.

FRIDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and south 2 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Patchy fog.

FRIDAY NIGHT
Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers and thunderstorms.

SATURDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

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

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

SUNDAY NIGHT
Southeast winds around 5 knots, becoming north after midnight. Seas around 2 feet. A slight chance of showers and thunderstorms in the evening.

MONDAY
Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet.

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

TUESDAY
East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet.

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

Winds and seas higher in and near thunderstorms.


GMZ455-080900
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
309 PM CDT Thu May 7 2026

TONIGHT
Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 6 seconds. Patchy fog late.

FRIDAY
East winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 7 seconds. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms.

FRIDAY NIGHT
Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

SATURDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers.

SATURDAY NIGHT
South winds around 5 knots. Seas 1 to 2 feet. Wave Detail: South 1 foot at 5 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening.

SUNDAY
South winds around 5 knots. Seas 1 to 2 feet. Wave Detail: South 1 foot at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning.

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

MONDAY
North winds 5 to 10 knots. Seas 1 to 2 feet.

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

TUESDAY
East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet in the morning, then 1 foot or less.

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

Winds and seas higher in and near thunderstorms.


GMZ470-080900
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
309 PM CDT Thu May 7 2026

TONIGHT
East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds. Patchy fog late this evening and overnight.

FRIDAY
East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Patchy fog.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms.

SUNDAY
Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds.

SUNDAY NIGHT
Southeast winds around 5 knots, becoming northeast after midnight. Seas around 2 feet.

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

MONDAY NIGHT
Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet.

TUESDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.

TUESDAY NIGHT
Southeast winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.


GMZ472-080900
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
309 PM CDT Thu May 7 2026

TONIGHT
East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 7 seconds and northeast 2 feet at 4 seconds. Patchy fog after midnight.

FRIDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 3 seconds. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms.

FRIDAY NIGHT
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance of thunderstorms. Showers likely.

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

SUNDAY
Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of showers and thunderstorms in the morning.

SUNDAY NIGHT
Southeast winds around 5 knots, becoming northeast after midnight. Seas around 2 feet.

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

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

TUESDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.

TUESDAY NIGHT
Southeast winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.


GMZ475-080900
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
309 PM CDT Thu May 7 2026

TONIGHT
Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 3 feet. Wave Detail: South 3 feet at 6 seconds and northwest 1 foot at 4 seconds. Patchy fog after midnight.

FRIDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of thunderstorms in the morning. Patchy fog in the morning. A slight chance of showers.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms.

SATURDAY
South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. Showers likely with a chance of thunderstorms.

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

SUNDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning.

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

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

MONDAY NIGHT
North winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas 2 to 4 feet.

TUESDAY
Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 4 feet.

TUESDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.