037  
FZUS54 KLCH 180514  
CWFLCH  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1214 AM CDT THU SEP 18 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.  
 
GMZ400-181800-  
1214 AM CDT THU SEP 18 2025  
 
.SYNOPSIS FOR LOWER ATCHAFALAYA RIVER LA TO HIGH ISLAND TX OUT  
60 NM INCLUDING SABINE AND CALCASIEU LAKES AND VERMILION AND COTE  
BLANCHE BAYS...  
 
WINDS AND WAVES WILL REMAIN CALM, WITH WINDS FROM THE EAST AROUND  
10 KNOTS AND WAVES BELOW 3 FEET THROUGH THE WEEKEND. WINDS AND  
WAVES WILL START TO INCREASE NEXT WEEK AS THE PRESSURE GRADIENT  
INCREASES.  
 
 
 
GMZ430-181800-  
SABINE LAKE-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. LAKE WATERS LIGHT CHOP.    
TONIGHT  
SOUTH WINDS 5 TO 10 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. LAKE WATERS LIGHT CHOP.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.    
FRIDAY NIGHT  
SOUTHEAST WINDS AROUND 5 KNOTS. LAKE WATERS  
SMOOTH.    
SATURDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. LAKE WATERS LIGHT CHOP.    
SATURDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.    
SUNDAY  
SOUTHEAST WINDS AROUND 5 KNOTS, INCREASING TO 5 TO  
10 KNOTS IN THE AFTERNOON. LAKE WATERS LIGHT CHOP. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT  
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE  
EVENING.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN  
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT  
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN A SLIGHT CHANCE OF SHOWERS IN THE LATE EVENING AND  
OVERNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ432-181800-  
CALCASIEU LAKE-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. LAKE WATERS LIGHT CHOP.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.   
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.    
FRIDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. LAKE WATERS LIGHT CHOP.    
SATURDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. LAKE WATERS LIGHT CHOP.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS  
LIGHT CHOP.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT  
CHOP.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN  
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT  
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
A SLIGHT CHANCE OF SHOWERS IN THE LATE EVENING AND OVERNIGHT. A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ435-181800-  
VERMILION AND WEST COTE BLANCHE BAYS-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. BAY WATERS LIGHT CHOP.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS LIGHT CHOP.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
SATURDAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. BAY WATERS LIGHT CHOP.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
SUNDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS LIGHT CHOP.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT  
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL EARLY  
MORNING.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ436-181800-  
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. BAY WATERS LIGHT CHOP.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. BAY WATERS LIGHT CHOP.    
FRIDAY  
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. BAY WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. BAY WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS EARLY IN THE EVENING.    
SATURDAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. BAY WATERS LIGHT CHOP.    
SATURDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. BAY WATERS LIGHT CHOP.    
SUNDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS LIGHT CHOP.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS, DIMINISHING TO  
AROUND 5 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP.    
MONDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS, DIMINISHING TO  
AROUND 5 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL EARLY MORNING.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ450-181800-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FEET IN THE AFTERNOON. WAVE DETAIL: SOUTHEAST 2 FEET AT  
4 SECONDS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. A SLIGHT CHANCE OF SHOWERS.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT  
CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ452-181800-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FEET THIS AFTERNOON. WAVE DETAIL: SOUTHEAST 2 FEET AT  
4 SECONDS.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: EAST 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS IN  
THE LATE MORNING AND AFTERNOON.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET  
IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST  
2 FEET AT 4 SECONDS.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SOUTHEAST 1 FOOT AT 4 SECONDS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. A SLIGHT CHANCE OF SHOWERS.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ455-181800-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA OUT 20 NM-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: EAST 1 FOOT AT 2 SECONDS.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 1 FOOT AT 3 SECONDS.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: EAST 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET  
IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST  
1 FOOT AT 3 SECONDS.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: EAST 1 FOOT AT 2 SECONDS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL:  
SOUTHEAST 1 FOOT AT 3 SECONDS.    
SUNDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ470-181800-  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
TONIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT.    
FRIDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF  
SHOWERS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT  
CHANCE OF SHOWERS UNTIL EARLY MORNING.    
SATURDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND  
AFTERNOON.    
SATURDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT  
CHANCE OF SHOWERS.    
SUNDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. A SLIGHT CHANCE OF SHOWERS UNTIL EARLY MORNING. A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. A CHANCE OF SHOWERS LATE.   
MONDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A  
SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS UNTIL LATE  
AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS LATE.    
MONDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO  
3 FEET. A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. A  
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ472-181800-  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO  
60 NM-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
TONIGHT  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS  
IN THE LATE EVENING AND OVERNIGHT.    
FRIDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS  
EARLY IN THE MORNING, THEN A CHANCE OF SHOWERS LATE IN THE  
MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.    
FRIDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT  
CHANCE OF SHOWERS UNTIL EARLY MORNING.    
SATURDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL LATE AFTERNOON. A SLIGHT CHANCE OF SHOWERS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT  
CHANCE OF SHOWERS.    
SUNDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF SHOWERS.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. A SLIGHT CHANCE OF SHOWERS.    
MONDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS UNTIL LATE  
AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS LATE.    
MONDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS  
EARLY IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ475-181800-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA FROM 20 TO 60 NM-  
1214 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS  
THIS AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET  
AT 5 SECONDS.    
TONIGHT  
EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: EAST 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS  
UNTIL EARLY MORNING, THEN A CHANCE OF SHOWERS LATE.    
FRIDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON.   
FRIDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS  
WITH A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN  
A SLIGHT CHANCE OF SHOWERS IN THE LATE EVENING AND OVERNIGHT.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A SLIGHT  
CHANCE OF SHOWERS UNTIL EARLY MORNING.    
SUNDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A SLIGHT  
CHANCE OF SHOWERS.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS UNTIL LATE  
AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS LATE.    
MONDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS  
EARLY IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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