782  
FZUS54 KLCH 242032  
CWFLCH  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
332 PM CDT WED APR 24 2024  
 
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.  
 
GMZ400-250930-  
332 PM CDT WED APR 24 2024  
   
SYNOPSIS
 
 
ONSHORE FLOW WILL SLOWLY INCREASE INTO THIS EVENING WITH WINDS  
BUILDING TO 10 KNOTS DURING THE OVERNIGHT HOURS. DURING THIS TIME  
WAVES WILL BE LESS THAN FOUR FEET. STARTING ON THURSDAY WINDS  
WILL START TO INCREASE BECOMING MODERATE TO STRONG. WINDS WILL  
CONTINUE TO INCREASE ON FRIDAY WITH GUSTS UP TO 30 KNOTS. WAVES  
WILL ALSO BUILD IN THE OUTER WATERS POSSIBLY REACHING 7 FEET OR  
MORE BY FRIDAY MORNING. LAKES AND BAYS WILL BE ROUGH TO VERY ROUGH  
CONDITIONS.  
 
A SMALL CRAFT ADVISORY IS LIKELY STARTING ON THURSDAY AND LASTING  
THROUGH FRIDAY AS THE PRESSURE GRADIENT FURTHER TIGHTENS ACROSS  
THE AREA BUILDING SEAS FURTHER INTO THE WEEKEND UNDER A STRONG  
SOUTHERLY REGIME.  
 

 
 
GMZ430-250930-  
SABINE LAKE-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT  
CHOP.    
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY. PATCHY FOG AFTER  
MIDNIGHT.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO  
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. LAKE WATERS  
CHOPPY. PATCHY FOG IN THE MORNING.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. LAKE WATERS VERY ROUGH.    
FRIDAY
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS.  
LAKE WATERS VERY ROUGH.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
30 KNOTS. LAKE WATERS VERY ROUGH.    
SATURDAY
 
SOUTHEAST WINDS 25 TO 30 KNOTS. LAKE WATERS EXTREMELY  
ROUGH.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 25 TO 30 KNOTS, DIMINISHING TO  
AROUND 20 KNOTS AFTER MIDNIGHT. LAKE WATERS EXTREMELY ROUGH.    
SUNDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS. LAKE WATERS ROUGH. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. LAKE WATERS  
ROUGH. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ432-250930-  
CALCASIEU LAKE-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.   
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY. PATCHY FOG AFTER  
MIDNIGHT.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH 15 TO  
20 KNOTS IN THE AFTERNOON. LAKE WATERS ROUGH. PATCHY FOG IN THE  
MORNING.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. LAKE WATERS VERY ROUGH.    
FRIDAY
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS.  
LAKE WATERS VERY ROUGH.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS, INCREASING TO  
25 TO 30 KNOTS AFTER MIDNIGHT. LAKE WATERS EXTREMELY ROUGH.    
SATURDAY
 
SOUTHEAST WINDS 25 TO 30 KNOTS. LAKE WATERS EXTREMELY  
ROUGH.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 25 TO 30 KNOTS, DIMINISHING TO  
AROUND 20 KNOTS AFTER MIDNIGHT. LAKE WATERS EXTREMELY ROUGH.    
SUNDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS. LAKE WATERS ROUGH. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. LAKE WATERS  
ROUGH. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ435-250930-  
VERMILION AND WEST COTE BLANCHE BAYS-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND  
5 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP. PATCHY FOG AFTER  
MIDNIGHT.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.  
PATCHY FOG IN THE MORNING.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO  
15 TO 20 KNOTS AFTER MIDNIGHT. BAY WATERS ROUGH.    
FRIDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. BAY WATERS CHOPPY.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY WATERS ROUGH.    
SATURDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY  
ROUGH.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY  
ROUGH.    
SUNDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS ROUGH.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS ROUGH.  
 

 
 
GMZ436-250930-  
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTH WINDS AROUND 5 KNOTS. BAY AND INLAND  
WATERS SMOOTH.    
TONIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. BAY AND INLAND WATERS  
SMOOTH. PATCHY FOG AFTER MIDNIGHT.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY AND INLAND WATERS  
LIGHT CHOP. PATCHY FOG IN THE MORNING.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO  
10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS AFTER MIDNIGHT. BAY AND  
INLAND WATERS CHOPPY.    
FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY AND INLAND WATERS CHOPPY.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY AND INLAND WATERS ROUGH.    
SATURDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY AND INLAND WATERS  
ROUGH.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. BAY AND INLAND  
WATERS VERY ROUGH.    
SUNDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY AND INLAND WATERS  
ROUGH.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY AND INLAND  
WATERS ROUGH.  
 

 
 
GMZ450-250930-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET, BUILDING TO 4 TO  
6 FEET, OCCASIONALLY TO 8 FEET AFTER MIDNIGHT.    
FRIDAY
 
SOUTH WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
30 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET.    
SATURDAY
 
SOUTHEAST WINDS 25 TO 30 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 25 TO 30 KNOTS, DIMINISHING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8 FEET, OCCASIONALLY TO  
10 FEET, SUBSIDING TO 5 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER  
MIDNIGHT.    
SUNDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ452-250930-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO  
6 FEET.    
FRIDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
30 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET.    
SATURDAY
 
SOUTHEAST WINDS 25 TO 30 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 25 TO 30 KNOTS, DIMINISHING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO  
9 FEET.    
SUNDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ455-250930-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA OUT 20 NM-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR  
LESS.    
TONIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO  
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET.    
FRIDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 2 TO 4 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET.    
SATURDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 3 TO  
5 FEET, OCCASIONALLY TO 6 FEET.    
SUNDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.  
 

 
 
GMZ470-250930-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 3 TO 4 FEET, BUILDING TO 4 TO 6 FEET, OCCASIONALLY  
TO 8 FEET AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS WITH GUSTS UP TO  
30 KNOTS. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
30 KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET.    
SATURDAY
 
SOUTHEAST WINDS 25 TO 30 KNOTS. SEAS 7 TO 10 FEET,  
OCCASIONALLY TO 13 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 25 TO 30 KNOTS. SEAS 7 TO  
10 FEET, OCCASIONALLY TO 13 FEET.    
SUNDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ472-250930-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO  
60 NM-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.   
TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 2 TO 4 FEET, BUILDING TO 4 TO 6 FEET, OCCASIONALLY  
TO 8 FEET AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
30 KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET.    
SATURDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET,  
OCCASIONALLY TO 11 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO  
9 FEET, OCCASIONALLY TO 11 FEET.    
SUNDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET.  
 

 
 
GMZ475-250930-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA FROM 20 TO 60 NM-  
332 PM CDT WED APR 24 2024  
   
THIS AFTERNOON
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO  
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET, BUILDING TO 3 TO  
5 FEET, OCCASIONALLY TO 6 FEET AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET, BUILDING TO 6 TO 8 FEET, OCCASIONALLY TO  
10 FEET AFTER MIDNIGHT.    
SATURDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET,  
OCCASIONALLY TO 11 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO  
8 FEET, OCCASIONALLY TO 10 FEET.    
SUNDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET.  
 

 
 
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