628  
FZUS54 KLCH 260845  
CWFLCH  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
345 AM CDT SAT APR 26 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.  
 
GMZ400-262130-  
345 AM CDT SAT APR 26 2025  
   
SYNOPSIS
 
 
HIGH PRESSURE BUILDING ACROSS THE COASTAL WATERS WILL REMAIN IN  
CONTROL THROUGH MUCH OF THE PERIOD. EXPECT MOSTLY DRY CONDITIONS,  
MILD TO OCCASIONALLY MODERATE ONSHORE FLOW AND 2 TO 4 FOOT SEAS  
THROUGH AT LEAST THE MIDDLE PART OF NEXT WEEK.  
 

 
 
GMZ430-262130-  
SABINE LAKE-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH THIS  
AFTERNOON. LAKE WATERS LIGHT CHOP. PATCHY FOG EARLY THIS MORNING.   
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.  
PATCHY FOG IN THE MORNING.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT  
CHOP.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS  
WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. LAKE WATERS CHOPPY.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
TUESDAY
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. LAKE WATERS  
CHOPPY.    
WEDNESDAY
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
WEDNESDAY NIGHT
 
SOUTH 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.  
 

 
 
GMZ432-262130-  
CALCASIEU LAKE-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.  
PATCHY FOG EARLY THIS MORNING.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.  
PATCHY FOG AFTER MIDNIGHT.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.  
PATCHY FOG IN THE MORNING.    
SUNDAY NIGHT
 
SOUTH WINDS AROUND 10 KNOTS. LAKE WATERS LIGHT  
CHOP.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS  
WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. LAKE WATERS CHOPPY.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
TUESDAY
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
WEDNESDAY
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.    
WEDNESDAY NIGHT
 
SOUTH 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.  
 

 
 
GMZ435-262130-  
VERMILION AND WEST COTE BLANCHE BAYS-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH LATE. BAY  
WATERS LIGHT CHOP. PATCHY FOG EARLY THIS MORNING.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND  
5 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP. PATCHY FOG AFTER  
MIDNIGHT.    
SUNDAY
 
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS LIGHT CHOP. PATCHY FOG IN THE MORNING.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.   
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.    
MONDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
TUESDAY
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
CHOPPY.    
WEDNESDAY
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.    
WEDNESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.  
 

 
 
GMZ436-262130-  
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTH AROUND 5 KNOTS  
THIS AFTERNOON. BAY WATERS SMOOTH. PATCHY FOG EARLY THIS MORNING.   
TONIGHT
 
SOUTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.    
SUNDAY
 
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS LIGHT CHOP. PATCHY FOG IN THE MORNING.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.   
MONDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
TUESDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
WEDNESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
LIGHT CHOP.  
 

 
 
GMZ450-262130-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 4 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 4 SECONDS.    
TUESDAY
 
SOUTH WINDS AROUND 15 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO  
3 FEET.    
WEDNESDAY
 
SOUTH WINDS AROUND 15 KNOTS. SEAS AROUND 3 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS AROUND 15 KNOTS. SEAS AROUND  
3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ452-262130-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTH 2 FEET AT 3 SECONDS.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 4 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO  
3 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET.  
A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.  
 

 
 
GMZ455-262130-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA OUT 20 NM-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.    
TONIGHT
 
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SOUTHEAST 1 FOOT AT 2 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. WAVE DETAIL: SOUTH 1 FOOT AT 2 SECONDS.    
MONDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS,  
THEN AROUND 2 FEET IN THE AFTERNOON. WAVE DETAIL: SOUTH 1 FOOT AT  
3 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 3 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET.  
 

 
 
GMZ470-262130-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.    
MONDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 6 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 4 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS AROUND 15 KNOTS. SEAS 3 TO 4 FEET.  
A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.  
 

 
 
GMZ472-262130-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO  
60 NM-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
MONDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 4 FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS AROUND  
4 FEET.  
 

 
 
GMZ475-262130-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA FROM 20 TO 60 NM-  
345 AM CDT SAT APR 26 2025  
   
TODAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL:  
SOUTHEAST 3 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 6 SECONDS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.    
MONDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 4 FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET.  
 

 
 
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