629  
FZUS54 KBRO 222139  
CWFBRO  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
439 PM CDT TUE AUG 22 2017  
 
LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE  
RIO GRANDE OUT TO 60 NM.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE  
HIGHEST 10 PERCENT OF THE WAVES.  
 
GMZ100-230945-  
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-  
439 PM CDT TUE AUG 22 2017  
   
SYNOPSIS
 
FAVORABLE MARINE CONDITIONS ARE ANTICIPATED  
THROUGH THE MIDDLE OF THIS WEEK UNDER THE INFLUENCE OF HIGH  
PRESSURE. HAZARDOUS WINDS AND SEAS WILL DEVELOP THURSDAY AND INTO  
THE FIRST HALF OF THE WEEKEND AS A TROPICAL SYSTEM ORGANIZES IN  
THE BAY OF CAMPECHE AND MOVES TOWARDS THE LOWER TEXAS COAST. THERE  
IS STILL MUCH UNCERTAINTY AT THIS TIME AND MARINERS ARE URGED TO  
MONITOR THE COASTAL WATERS FORECAST CLOSELY THROUGH THE REMAINDER  
OF THIS WEEK.  
 

 
 
GMZ130-132-135-230945-  
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-  
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT  
MANSFIELD TX-  
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-  
439 PM CDT TUE AUG 22 2017  
   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY SUBSIDING TO  
A LIGHT CHOP AFTER MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. A LIGHT CHOP ON THE  
BAY. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. A LIGHT CHOP ON THE  
BAY. ISOLATED SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON  
THE BAY. CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO  
20 TO 25 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY  
INCREASING TO ROUGH AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS  
LIKELY.    
FRIDAY
 
NORTHWEST WINDS 20 TO 25 KNOTS SHIFTING WEST IN THE  
AFTERNOON. ROUGH ON THE BAY. SHOWERS AND THUNDERSTORMS LIKELY.    
FRIDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS. CHOPPY ON THE  
BAY. SHOWERS AND THUNDERSTORMS LIKELY.    
SATURDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO  
15 KNOTS IN THE AFTERNOON. CHOPPY ON THE BAY SUBSIDING TO A  
MODERATE CHOP IN THE AFTERNOON. CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE  
BAY. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO  
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY SUBSIDING TO  
A LIGHT CHOP AFTER MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ150-155-230945-  
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
439 PM CDT TUE AUG 22 2017  
   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS INCREASING TO  
20 TO 30 KNOTS AFTER MIDNIGHT. SEAS 5 TO 8 FEET WITH OCCASIONAL  
SEAS UP TO 9 FEET. SHOWERS AND THUNDERSTORMS LIKELY.    
FRIDAY
 
NORTH WINDS 25 TO 35 KNOTS SHIFTING WEST IN THE  
AFTERNOON. SEAS 9 TO 13 FEET WITH OCCASIONAL SEAS UP TO 16 FEET.  
SHOWERS AND THUNDERSTORMS LIKELY.    
FRIDAY NIGHT
 
SOUTHWEST WINDS 25 TO 35 KNOTS DIMINISHING TO  
15 TO 25 KNOTS AFTER MIDNIGHT. SEAS 6 TO 9 FEET WITH OCCASIONAL  
SEAS UP TO 10 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY
 
SOUTHWEST WINDS 20 TO 25 KNOTS BECOMING SOUTH 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS 5 TO 8 FEET WITH OCCASIONAL SEAS  
UP TO 9 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTH WINDS 15 TO 25 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 7 FEET. CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SUNDAY
 
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET WITH OCCASIONAL SEAS  
UP TO 7 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS SHIFTING WEST  
AFTER MIDNIGHT. SEAS 3 TO 5 FEET. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ170-175-230945-  
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO  
60 NM-  
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO  
60 NM-  
439 PM CDT TUE AUG 22 2017  
   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT. SEAS 2 TO 4 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET WITH OCCASIONAL SEAS  
UP TO 7 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO  
25 TO 30 KNOTS AFTER MIDNIGHT. SEAS 7 TO 10 FEET WITH OCCASIONAL  
SEAS UP TO 12 FEET. SHOWERS AND THUNDERSTORMS LIKELY.    
FRIDAY
 
NORTHWEST WINDS 25 TO 30 KNOTS BECOMING SOUTHWEST 30 TO  
35 KNOTS IN THE AFTERNOON. SEAS 10 TO 14 FEET WITH OCCASIONAL  
SEAS UP TO 17 FEET. SHOWERS AND THUNDERSTORMS LIKELY.    
FRIDAY NIGHT
 
SOUTHWEST WINDS 25 TO 35 KNOTS BECOMING SOUTH  
20 TO 30 KNOTS AFTER MIDNIGHT. SEAS 9 TO 13 FEET WITH OCCASIONAL  
SEAS UP TO 16 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY
 
SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS 7 TO 10 FEET WITH OCCASIONAL SEAS  
UP TO 12 FEET. SHOWERS AND THUNDERSTORMS LIKELY.    
SATURDAY NIGHT
 
SOUTH WINDS 15 TO 25 KNOTS BECOMING 20 TO  
25 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP  
TO 8 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS  
UP TO 8 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS SHIFTING WEST AFTER  
MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 8 FEET.  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
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