627  
FZUS54 KBRO 210409  
CWFBRO  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1009 PM CST SAT JAN 20 2018  
 
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.  
 
GMZ100-211615-  
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-  
1009 PM CST SAT JAN 20 2018  
   
SYNOPSIS
 
HIGH PRESSURE WILL CONTINUE TO MOVE INTO THE  
SOUTHEASTERN U.S. AND EASTERN GULF THROUGH SUNDAY. A COLD FRONT  
WILL SWEEP ACROSS THE WATERS SUNDAY NIGHT FOLLOWED BY HIGH  
PRESSURE BUILDING ACROSS SOUTH TEXAS MONDAY THROUGH EARLY  
TUESDAY. THE CENTER OF THE HIGH WILL SHIFT INTO EAST TEXAS AND  
OKLAHOMA LATER TUESDAY THROUGH WEDNESDAY, WITH BROAD LOW PRESSURE  
DEVELOPING IN THE SOUTHERN GULF. THE HIGH WILL MOVE INTO THE  
SOUTHEAST U.S. BY THURSDAY WITH RIDGING EXTENDING BACK INTO  
CENTRAL AND SOUTH TEXAS. LONG FETCH OF NORTHEAST FLOW BETWEEN THE  
HIGH AND SOUTHERN GULF LOW WILL GRADUALLY BUILD SEAS AND SWELL  
WEDNESDAY THROUGH THURSDAY...WITH SMALL CRAFT ADVISORIES POSSIBLE  
BY MID WEEK.  
 

 
 
GMZ130-132-135-211615-  
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-  
1009 PM CST SAT JAN 20 2018  
   
..SMALL CRAFT ADVISORY MAY BE NEEDED ON SUNDAY
 
 
   
REST OF TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. A LIGHT CHOP ON  
THE BAY. AREAS OF FOG AFTER MIDNIGHT. PATCHY DRIZZLE AFTER  
MIDNIGHT MAINLY NORTH OF PORT MANSFIELD.    
SUNDAY
 
SOUTH WINDS INCREASING TO 20 KNOTS AND GUSTY. CHOPPY ON  
THE BAY.   
SUNDAY NIGHT
 
SOUTH 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. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
MIDNIGHT.    
MONDAY
 
NORTH WINDS 15 KNOTS AND GUSTY. A MODERATE CHOP ON THE  
BAY. SLIGHT CHANCE OF SHOWERS EARLY.    
MONDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. A LIGHT CHOP ON  
THE BAY.    
TUESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE  
BAY.    
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY SUBSIDING TO  
A LIGHT CHOP AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN.    
WEDNESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON  
THE BAY. RAIN LIKELY.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE  
CHOP ON THE BAY. CHANCE OF RAIN.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON  
THE BAY. SLIGHT CHANCE OF RAIN.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY SUBSIDING TO  
A LIGHT CHOP AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN.  
 

 
 
GMZ150-155-211615-  
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
1009 PM CST SAT JAN 20 2018  
   
REST OF TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3  
FEET.    
SUNDAY
 
SOUTH WINDS INCREASING TO 10 TO 15 KNOTS. SEAS 3 TO 4  
FEET.   
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS SHIFTING WEST AFTER  
MIDNIGHT. SEAS 3 TO 5 FEET. SLIGHT CHANCE OF RAIN SHOWERS.  
   
MONDAY
 
NORTH WINDS 15 TO 20 KNOTS AND GUSTY. SEAS BUILDING TO 4  
TO 6 FEET WITH OCCASIONAL SEAS UP TO 7 FEET. SLIGHT CHANCE OF  
RAIN.    
MONDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 7 FEET.    
TUESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.    
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.  
CHANCE OF RAIN.    
WEDNESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS BUILDING TO 4 TO 6 FEET. RAIN  
LIKELY.   
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO  
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL  
SEAS UP TO 8 FEET. SLIGHT CHANCE OF RAIN.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF RAIN.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 7 FEET. CHANCE OF RAIN.  
 

 
 
GMZ170-175-211615-  
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-  
1009 PM CST SAT JAN 20 2018  
   
..SMALL CRAFT EXERCISE CAUTION MAY BE NEEDED SUNDAY
 
 
   
REST OF TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5  
FEET.    
SUNDAY
 
SOUTH WINDS 15 TO 20 KNOTS. SEAS BUILDING TO 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 7 FEET.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS SHIFTING SOUTHWEST  
AFTER MIDNIGHT. SEAS 3 TO 5 FEET. CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
MONDAY
 
NORTH WINDS 15 TO 20 KNOTS AND GUSTY. SEAS BUILDING TO  
5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 8 FEET. CHANCE OF RAIN.    
MONDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL  
SEAS UP TO 8 FEET SUBSIDING TO 4 TO 6 FEET.    
TUESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.    
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 7 FEET. CHANCE OF RAIN.    
WEDNESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS BUILDING TO 5 TO 7 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. RAIN LIKELY.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO  
8 FEET WITH OCCASIONAL SEAS UP TO 10 FEET. SLIGHT CHANCE OF RAIN.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET WITH  
OCCASIONAL SEAS UP TO 9 FEET. SLIGHT CHANCE OF RAIN.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET  
WITH OCCASIONAL SEAS UP TO 9 FEET. CHANCE OF RAIN.  
 

 
 
64/54/52  
 
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