952  
FZUS54 KLCH 202000  
CWFLCH  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
300 PM CDT MON AUG 20 2018  
 
COASTAL WATERS FROM THE LOWER ATCHAFALAYA RIVER LA TO HIGH  
ISLAND TX OUT 60 NAUTICAL MILES INCLUDING SABINE AND  
CALCASIEU LAKES AND VERMILION BAY  
 
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.  
 
GMZ400-210830-  
SYNOPSIS FOR LOWER ATCHAFALAYA RIVER LA TO HIGH ISLAND TX OUT  
60 NM INCLUDING SABINE AND CALCASIEU LAKES AND VERMILION BAY  
300 PM CDT MON AUG 20 2018  
   
SYNOPSIS
 
 
LIGHT TO OCCASIONALLY MODERATE ONSHORE FLOW WILL CONTINUE AS  
HIGH PRESSURE CONTINUES TO RIDGE ACROSS THE NORTHERN GULF. A  
FRONTAL BOUNDARY WILL SLOWLY MOVE SOUTH OVER THE REGION TUESDAY  
INTO WEDNESDAY, ACCOMPANIED BY AN INCREASING CHANCE FOR SHOWERS  
AND THUNDERSTORMS. THE FRONT IS EXPECTED TO STALL OVER OR JUST  
SOUTH OF THE COASTAL WATERS, BRINGING A BRIEF PERIOD OF OFFSHORE  
FLOW MID-WEEK. THE FRONT WILL GRADUALLY DISSIPATE BY THE END OF  
THE WEEK WITH RETURN FLOW EXPECTED TO RESUME.  
 

 
 
GMZ430-210830-  
SABINE LAKE-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT CHOP.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHWEST WINDS AROUND 5 KNOTS. LAKE WATERS  
SMOOTH. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING.    
WEDNESDAY
 
NORTHWEST WINDS AROUND 5 KNOTS BECOMING NORTHEAST IN  
THE AFTERNOON. LAKE WATERS SMOOTH.    
WEDNESDAY NIGHT
 
SOUTH WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.   
THURSDAY
 
NORTHEAST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST IN  
THE AFTERNOON. LAKE WATERS SMOOTH.    
THURSDAY NIGHT
 
SOUTHWEST WINDS UP TO 5 KNOTS. LAKE WATERS  
SMOOTH.    
FRIDAY
 
WEST WINDS UP TO 5 KNOTS BECOMING SOUTH AROUND 5 KNOTS  
IN THE AFTERNOON. LAKE WATERS SMOOTH. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.    
SATURDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS UP TO 5 KNOTS. LAKE WATERS  
SMOOTH. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ432-210830-  
CALCASIEU LAKE-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT CHOP.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
WEDNESDAY
 
NORTHWEST WINDS AROUND 5 KNOTS BECOMING NORTHEAST IN  
THE AFTERNOON. LAKE WATERS SMOOTH.    
WEDNESDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS BECOMING NORTHWEST  
UP TO 5 KNOTS AFTER MIDNIGHT. LAKE WATERS SMOOTH.    
THURSDAY
 
NORTHEAST WINDS UP TO 5 KNOTS BECOMING EAST IN THE  
AFTERNOON. LAKE WATERS SMOOTH.    
THURSDAY NIGHT
 
SOUTHWEST WINDS UP TO 5 KNOTS. LAKE WATERS  
SMOOTH.    
FRIDAY
 
WEST WINDS UP TO 5 KNOTS BECOMING SOUTH AROUND 5 KNOTS  
IN THE AFTERNOON. LAKE WATERS SMOOTH. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.    
SATURDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. LAKE WATERS  
SMOOTH. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ435-210830-  
VERMILION BAY-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT CHOP.  
SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING, THEN CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE  
NIGHT.    
WEDNESDAY
 
NORTH WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT CHOP.    
WEDNESDAY NIGHT
 
NORTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.   
THURSDAY
 
NORTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.    
THURSDAY NIGHT
 
SOUTHEAST WINDS UP TO 5 KNOTS. BAY WATERS  
SMOOTH.    
FRIDAY
 
NORTHEAST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS SMOOTH. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS UP TO 5 KNOTS. BAY WATERS SMOOTH.   
SATURDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. BAY WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. BAY WATERS  
SMOOTH. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ450-210830-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET. CHANCE OF  
SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
WEDNESDAY NIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
THURSDAY
 
NORTH WINDS AROUND 5 KNOTS BECOMING SOUTHEAST UP TO  
5 KNOTS IN THE AFTERNOON. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
FRIDAY
 
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
SATURDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ452-210830-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET. SHOWERS  
AND THUNDERSTORMS LIKELY IN THE MORNING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT
 
SOUTHWEST WINDS AROUND 5 KNOTS BECOMING  
NORTHWEST AFTER MIDNIGHT. SEAS 1 FOOT OR LESS.    
THURSDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHWEST WINDS UP TO 5 KNOTS. SEAS 1 FOOT OR  
LESS.    
FRIDAY
 
WEST WINDS UP TO 5 KNOTS BECOMING SOUTH IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
SATURDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ455-210830-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA OUT 20 NM-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS AROUND 10 KNOTS. SEAS 1 FOOT OR LESS.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. SHOWERS  
AND THUNDERSTORMS LIKELY IN THE MORNING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
THURSDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHWEST WINDS UP TO 5 KNOTS. SEAS 1 FOOT OR  
LESS.    
FRIDAY
 
WEST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
SATURDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ470-210830-  
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. CHANCE OF  
SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET.    
THURSDAY
 
NORTHWEST WINDS AROUND 5 KNOTS BECOMING NORTHEAST IN  
THE AFTERNOON. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.   
FRIDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. SEAS 1 FOOT OR LESS.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
SATURDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ472-210830-  
WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. SHOWERS  
AND THUNDERSTORMS LIKELY IN THE MORNING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHWEST WINDS UP TO 5 KNOTS. SEAS 1 FOOT OR  
LESS.    
FRIDAY
 
SOUTHWEST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
SATURDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ475-210830-  
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM  
20 TO 60 NM-  
300 PM CDT MON AUG 20 2018  
   
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. CHANCE OF  
SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
THURSDAY NIGHT
 
WEST WINDS AROUND 5 KNOTS BECOMING SOUTHWEST  
AFTER MIDNIGHT. SEAS 1 FOOT OR LESS.    
FRIDAY
 
SOUTHWEST WINDS UP TO 5 KNOTS BECOMING EAST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS.    
SATURDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
08  
 
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