742  
FZUS54 KLCH 201445  
CWFLCH  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
945 AM CDT SUN MAY 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.  
 
GMZ400-210315-  
SYNOPSIS FOR LOWER ATCHAFALAYA RIVER LA TO HIGH ISLAND TX OUT  
60 NM INCLUDING SABINE AND CALCASIEU LAKES AND VERMILION BAY  
945 AM CDT SUN MAY 20 2018  
   
SYNOPSIS
 
 
WEAK HIGH PRESSURE WILL CONTINUE TO RIDGE OVER THE COASTAL WATERS  
THROUGH MIDWEEK, WITH A LIGHT TO MODERATE SOUTHEAST FLOW EXPECTED.  
DAILY SHOWER AND THUNDERSTORM CHANCES WILL BEGIN TO INCREASE BY  
TUESDAY AND CONTINUE THROUGH THE REMAINDER OF THE WEEK AS RIDGING  
ALOFT WEAKENS.  
 

 
 
GMZ430-210315-  
SABINE LAKE-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS A  
LIGHT CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT  
CHOP.    
MONDAY
 
EAST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST AROUND  
5 KNOTS IN THE AFTERNOON. LAKE WATERS SMOOTH. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH.    
TUESDAY
 
NORTHWEST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST  
AROUND 5 KNOTS IN THE AFTERNOON. LAKE WATERS SMOOTH. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.    
WEDNESDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. LAKE WATERS  
SMOOTH.    
THURSDAY
 
NORTHEAST WINDS AROUND 5 KNOTS BECOMING SOUTHEAST IN  
THE AFTERNOON. LAKE WATERS SMOOTH. CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS BECOMING WEST  
AFTER MIDNIGHT. LAKE WATERS SMOOTH. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ432-210315-  
CALCASIEU LAKE-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT  
CHOP.    
MONDAY
 
EAST WINDS UP TO 5 KNOTS BECOMING SOUTH AROUND 5 KNOTS  
IN THE AFTERNOON. LAKE WATERS SMOOTH. CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS UP TO 5 KNOTS. LAKE WATERS SMOOTH.    
TUESDAY
 
NORTHWEST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST IN  
THE AFTERNOON. LAKE WATERS SMOOTH. CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH.    
WEDNESDAY
 
EAST WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. LAKE WATERS  
SMOOTH.    
THURSDAY
 
EAST WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH. CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
EAST WINDS AROUND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. LAKE WATERS SMOOTH. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ435-210315-  
VERMILION BAY-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS A  
LIGHT CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT  
CHOP. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
MONDAY
 
EAST WINDS UP TO 5 KNOTS BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS SMOOTH. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS UP TO 5 KNOTS. BAY WATERS SMOOTH.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
TUESDAY
 
EAST WINDS UP TO 5 KNOTS BECOMING SOUTHEAST AROUND  
5 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH. CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
WEDNESDAY
 
EAST WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH. CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. BAY WATERS  
SMOOTH. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ450-210315-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO  
3 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
MONDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
TUESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 TO 2 FEET.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS AROUND 5 KNOTS BECOMING SOUTHEAST IN  
THE AFTERNOON. SEAS 1 FOOT OR LESS. CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ452-210315-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.   
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
MONDAY
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 TO 2 FEET.    
TUESDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. SEAS 1 TO 2 FEET.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 TO 2 FEET.    
WEDNESDAY
 
EAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
EAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ455-210315-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA OUT 20 NM-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
MONDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
TUESDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR  
LESS.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ470-210315-  
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO  
4 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.    
MONDAY
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 2 TO 4 FEET.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.    
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.   
WEDNESDAY
 
EAST WINDS AROUND 5 KNOTS. SEAS 1 TO 2 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 TO  
2 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
EAST WINDS AROUND 5 KNOTS. SEAS 1 TO 2 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTH WINDS AROUND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. SEAS 1 TO 2 FEET. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ472-210315-  
WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.   
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.    
MONDAY
 
EAST WINDS AROUND 5 KNOTS. SEAS 2 TO 4 FEET.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.    
TUESDAY
 
EAST WINDS UP TO 5 KNOTS. SEAS 2 TO 4 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.   
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING  
SOUTHWEST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ475-210315-  
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM  
20 TO 60 NM-  
945 AM CDT SUN MAY 20 2018  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.   
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.    
MONDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.    
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
08  
 
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