175  
FZUS54 KBRO 272106  
CWFBRO  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
406 PM CDT TUE JUN 27 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.  
 
GMZ100-280315-  
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-  
406 PM CDT TUE JUN 27 2017  
   
SYNOPSIS
 
WEAK HIGH PRESSURE OVER THE GULF AND A LOW PRESSURE  
TROUGH ALONG THE LOWER TEXAS COAST TO MAINTAIN A LIGHT EAST TO  
SOUTHEAST WIND AND SLIGHT SEAS THROUGH WEDNESDAY. STRENGTHENING  
SOUTHEAST WINDS AND BUILDING SEAS ARE ANTICIPATED FOR THURSDAY  
THROUGH SATURDAY AS HIGH PRESSURE STRENGTHENS AND LOW PRESSURE  
OVER THE SOUTHERN PLAINS DEEPENS. SMALL CRAFT ADVISORIES MAY BE  
NEEDED FOR PORTIONS OF THE WATERS THURSDAY NIGHT THROUGH SATURDAY.  
GOOD RAIN CHANCES CONTINUE THROUGH THURSDAY WITH LOWER CHANCES  
FRIDAY AND THE WEEKEND.  
 

 
 
GMZ130-132-135-280315-  
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-  
406 PM CDT TUE JUN 27 2017  
   
TONIGHT
 
EAST WINDS AROUND 10 KNOTS BECOMING SOUTH AFTER  
MIDNIGHT. A LIGHT CHOP ON THE BAY SUBSIDING TO SMOOTH AFTER  
MIDNIGHT. ISOLATED SHOWERS AFTER MIDNIGHT.    
WEDNESDAY
 
NORTH WINDS UP TO 5 KNOTS EARLY IN THE MORNING,  
BECOMING SOUTHEAST 5 TO 10 KNOTS IN THE LATE MORNING AND  
AFTERNOON. SMOOTH ON THE BAY INCREASING TO A LIGHT CHOP IN THE  
AFTERNOON. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
AROUND 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. A LIGHT CHOP  
ON THE BAY INCREASING TO A MODERATE CHOP IN THE LATE EVENING AND  
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.   
THURSDAY
 
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST AROUND  
20 KNOTS. A LIGHT CHOP ON THE BAY INCREASING TO CHOPPY. CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
THURSDAY NIGHT
 
SOUTHEAST WINDS AROUND 20 KNOTS DIMINISHING TO  
10 TO 15 KNOTS LATE IN THE EVENING, THEN BECOMING SOUTH AROUND  
20 KNOTS AFTER MIDNIGHT. CHOPPY ON THE BAY SUBSIDING TO A  
MODERATE CHOP LATE IN THE EVENING, THEN INCREASING TO CHOPPY  
AFTER MIDNIGHT.    
FRIDAY
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST AROUND  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. A MODERATE CHOP ON  
THE BAY INCREASING TO CHOPPY IN THE LATE MORNING AND AFTERNOON.    
FRIDAY NIGHT
 
SOUTHEAST WINDS AROUND 20 KNOTS. CHOPPY ON THE  
BAY.    
SATURDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS. CHOPPY ON THE BAY.    
SATURDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. A MODERATE  
CHOP ON THE BAY.    
SUNDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. A MODERATE CHOP ON THE  
BAY.    
SUNDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. A MODERATE CHOP  
ON THE BAY.  
 

 
 
GMZ150-155-280315-  
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
406 PM CDT TUE JUN 27 2017  
   
TONIGHT
 
EAST WINDS AROUND 15 KNOTS BECOMING SOUTHEAST 5 TO 10  
KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTH  
LATE IN THE NIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5  
FEET. ISOLATED THUNDERSTORMS IN THE EVENING. ISOLATED SHOWERS  
THROUGH THE NIGHT.    
WEDNESDAY
 
NORTH WINDS UP TO 5 KNOTS EARLY IN THE MORNING,  
BECOMING SOUTHEAST 5 TO 10 KNOTS IN THE LATE MORNING AND  
AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
AROUND 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. SEAS 2 TO  
4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER MIDNIGHT.    
THURSDAY
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST AROUND  
20 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS  
UP TO 6 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.   
THURSDAY NIGHT
 
SOUTH WINDS AROUND 20 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET.    
FRIDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET.    
SATURDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 3 TO  
5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET.    
SUNDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO  
AROUND 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL  
SEAS UP TO 5 FEET.  
 

 
 
GMZ170-175-280315-  
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-  
406 PM CDT TUE JUN 27 2017  
   
TONIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP  
TO 5 FEET. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
SOUTHEAST WINDS UP TO 5 KNOTS INCREASING TO AROUND  
10 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL  
SEAS UP TO 5 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTH WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET  
WITH OCCASIONAL SEAS UP TO 6 FEET. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT.    
THURSDAY
 
SOUTH WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH  
AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SEAS 5 TO  
7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET.    
FRIDAY
 
SOUTH WINDS AROUND 20 KNOTS. SEAS 5 TO 7 FEET WITH  
OCCASIONAL SEAS UP TO 9 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 5 TO 7 FEET  
WITH OCCASIONAL SEAS UP TO 9 FEET.    
SATURDAY
 
SOUTHEAST WINDS AROUND 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS  
UP TO 9 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO  
6 FEET WITH OCCASIONAL SEAS UP TO 8 FEET.    
SUNDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO  
AROUND 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET WITH OCCASIONAL  
SEAS UP TO 6 FEET.  
 

 
 
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