National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 041521
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1021 AM CDT Fri Apr 4 2025

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.

GMZ400-050415
1021 AM CDT Fri Apr 4 2025

SYNOPSIS

Strong southeast winds will continue through Saturday. A cold front will push through the coastal waters Saturday afternoon and night accompanied by a squall line with strong to severe thunderstorms possible. Hazards possible include damaging winds, large hail, waterspouts, frequent lightning, and heavy rainfall. Winds will turn offshore and relax behind the front Saturday night and remain that way through mid next week. Seas, particularly in 20 to 60 nm waters, will remain elevated through Monday morning.

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GMZ430-050415
Sabine Lake
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
South winds 20 to 25 knots with gusts up to 30 knots. Lake waters very rough.

TONIGHT
Southeast winds 20 to 25 knots. Lake waters very rough.

SATURDAY
South winds 20 to 25 knots with gusts up to 30 knots. Lake waters very rough. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon.

SATURDAY NIGHT
South winds 15 to 20 knots, becoming northwest after midnight. Lake waters rough. Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight.

SUNDAY
Northwest winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of showers in the morning.

SUNDAY NIGHT
Northwest winds 10 to 15 knots. Lake waters choppy.

MONDAY
North winds 10 to 15 knots. Lake waters choppy.

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

TUESDAY
Northeast winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth.

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

Winds and waves higher in and near thunderstorms.

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GMZ432-050415
Calcasieu Lake
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Lake waters very rough.

TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Lake waters very rough.

SATURDAY
South winds 20 to 25 knots with gusts up to 35 knots. Lake waters very rough. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 20 to 25 knots, becoming west 15 to 20 knots after midnight. Lake waters very rough. Thunderstorms likely. Showers.

SUNDAY
Northwest winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of showers with a slight chance of thunderstorms in the morning.

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

MONDAY
North winds 10 to 15 knots. Lake waters choppy.

MONDAY NIGHT
North winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy.

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

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

Winds and waves higher in and near thunderstorms.

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GMZ435-050415
Vermilion and West Cote Blanche Bays
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Bay waters very rough.

TONIGHT
Southeast winds 20 to 25 knots. Bay waters very rough.

SATURDAY
South winds 20 to 25 knots with gusts up to 30 knots. Bay waters very rough. A slight chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A chance of thunderstorms. Showers.

SUNDAY
Northwest winds 10 to 15 knots. Bay waters choppy. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon.

SUNDAY NIGHT
Northwest winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy.

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

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

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

TUESDAY NIGHT
North winds 5 to 10 knots, becoming northeast after midnight. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

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GMZ436-050415
Atchafalaya and East Cote Blanche Bays
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough.

TONIGHT
Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough.

SATURDAY
Southeast winds 20 to 25 knots, becoming south 15 to 20 knots in the afternoon. Bay waters very rough. A slight chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight.

SUNDAY
Northwest winds 10 to 15 knots. Bay waters choppy. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon.

SUNDAY NIGHT
Northwest winds 10 to 15 knots. Bay waters choppy. A slight chance of showers in the evening.

MONDAY
North winds 10 to 15 knots. Bay waters choppy. A slight chance of showers in the morning.

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

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

TUESDAY NIGHT
North winds 5 to 10 knots, becoming northeast after midnight. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

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GMZ450-050415
Coastal waters from Cameron LA to High Island TX out 20 NM
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 7 seconds.

TONIGHT
Southeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 7 seconds.

SATURDAY
South winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: South 7 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 20 to 25 knots, becoming northwest after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 9 seconds and west 4 feet at 4 seconds. A chance of thunderstorms. Showers.

SUNDAY
Northwest winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 4 seconds and south 2 feet at 9 seconds. A chance of showers in the morning.

SUNDAY NIGHT
Northwest winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northwest 3 feet at 4 seconds and southeast 1 foot at 9 seconds.

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

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

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

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

Winds and seas higher in and near thunderstorms.

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GMZ452-050415
Coastal waters from Intracoastal City to Cameron LA out 20 NM
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South 7 feet at 8 seconds.

TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South 7 feet at 7 seconds.

SATURDAY
Southeast winds 25 to 30 knots, becoming south 20 to 25 knots in the afternoon. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: South 8 feet at 8 seconds, becoming south 7 feet at 9 seconds. A chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 20 to 25 knots, becoming southwest after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South 7 feet at 9 seconds and southwest 4 feet at 5 seconds. Showers with thunderstorms likely.

SUNDAY
Northwest winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 4 feet at 5 seconds and south 3 feet at 9 seconds. Showers with a chance of thunderstorms in the morning, then a slight chance of showers in the afternoon.

SUNDAY NIGHT
Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 4 seconds and south 2 feet at 9 seconds.

MONDAY
North winds 15 to 20 knots. Seas 2 to 4 feet.

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

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

TUESDAY NIGHT
North winds around 10 knots, becoming east after midnight. Seas 1 foot or less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

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GMZ455-050415
Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds around 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds.

TONIGHT
Southeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds.

SATURDAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 8 seconds. A slight chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 9 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight.

SUNDAY
Northwest winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 9 seconds and west 2 feet at 3 seconds. Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
Northwest winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and south 2 feet at 9 seconds. A slight chance of showers and thunderstorms.

MONDAY
North winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers in the morning.

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

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

TUESDAY NIGHT
North winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

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GMZ470-050415
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds around 25 knots with gusts up to 30 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail: Southeast 9 feet at 8 seconds.

TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Southeast 10 feet at 8 seconds. Patchy fog in the evening.

SATURDAY
South winds 20 to 25 knots with gusts up to 35 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Southeast 10 feet at 9 seconds. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 15 to 20 knots, becoming northwest 20 to 25 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: South 8 feet at 9 seconds and northwest 5 feet at 5 seconds. A chance of thunderstorms. Showers.

SUNDAY
Northwest winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 6 feet at 5 seconds and southeast 5 feet at 9 seconds. Showers likely with a slight chance of thunderstorms in the morning.

SUNDAY NIGHT
Northwest winds around 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 5 feet at 5 seconds and southeast 3 feet at 9 seconds.

MONDAY
North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet.

MONDAY NIGHT
North winds 10 to 15 knots. Seas 2 to 4 feet.

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

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

Winds and seas higher in and near thunderstorms.

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GMZ472-050415
Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 20 to 25 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail: Southeast 9 feet at 8 seconds.

TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 8 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet after midnight. Wave Detail: Southeast 9 feet at 9 seconds, becoming southeast 10 feet at 8 seconds.

SATURDAY
Southeast winds 25 to 30 knots, becoming south 20 to 25 knots in the afternoon. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Southeast 11 feet at 9 seconds. A slight chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 20 to 25 knots, becoming southwest after midnight. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally to 10 feet after midnight. Wave Detail: South 9 feet at 9 seconds, becoming south 8 feet at 9 seconds. Showers with a chance of thunderstorms.

SUNDAY
Northwest winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 9 seconds and northwest 5 feet at 6 seconds. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon.

SUNDAY NIGHT
Northwest winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 5 feet at 6 seconds and southeast 5 feet at 9 seconds. A slight chance of showers.

MONDAY
North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers in the morning.

MONDAY NIGHT
North winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.

TUESDAY
Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet.

TUESDAY NIGHT
Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

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GMZ475-050415
Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM
1021 AM CDT Fri Apr 4 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

REST OF TODAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Southeast 10 feet at 8 seconds.

TONIGHT
Southeast winds 20 to 25 knots, increasing to 25 to 30 knots after midnight. Seas 7 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet after midnight. Wave Detail: Southeast 9 feet at 9 seconds, becoming southeast 11 feet at 8 seconds.

SATURDAY
South winds 25 to 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail: Southeast 12 feet at 9 seconds.

SATURDAY NIGHT
South winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: South 10 feet at 9 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight.

SUNDAY
Northwest winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: South 7 feet at 8 seconds and northwest 4 feet at 7 seconds. Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
Northwest winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 6 feet at 6 seconds and southeast 6 feet at 9 seconds. A chance of showers with a slight chance of thunderstorms.

MONDAY
North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers in the morning.

MONDAY NIGHT
North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

TUESDAY
North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet.

TUESDAY NIGHT
Northeast winds around 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.