772  
WHUS74 KBRO 221935  
MWWBRO  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
235 PM CDT SUN OCT 22 2017  
   
..COLD FRONT TO PRODUCE ADVERSE MARINE CONDITIONS
 
 
.THE COLD FRONT IS MOVING ACROSS THE NORTHWEST GULF OF MEXICO  
CURRENTLY, WITH WINDS REACHING 20 TO 25 KNOTS. THIS IS EXPECTED TO  
PUSH SEAS UP TO 7 TO 9 FEET OFFSHORE LATE THIS AFTERNOON THROUGH  
TOMORROW MORNING. CONDITIONS WILL IMPROVE QUICKLY TOMORROW MORNING  
AS HIGH PRESSURE MOVES INTO THE GULF.  
 
GMZ130-132-135-230345-  
/O.EXT.KBRO.SI.Y.0057.171022T1935Z-171023T1200Z/  
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-  
235 PM CDT SUN OCT 22 2017  
 
...SMALL CRAFT ADVISORY FOR WINDS NOW IN EFFECT UNTIL 7 AM CDT  
MONDAY...  
 
* WINDS...NORTH AROUND 20 KNOTS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY FOR WIND MEANS THAT WIND SPEEDS OF 20 TO  
33 KNOTS ARE EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY THOSE  
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE  
CONDITIONS.  
 

 
 

 
 
GMZ150-155-170-175-230345-  
/O.EXT.KBRO.SC.Y.0055.171022T1935Z-171023T1200Z/  
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
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-  
235 PM CDT SUN OCT 22 2017  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT MONDAY
 
 
* WINDS...NORTH AT 20 TO 25 KNOTS.  
 
* SEAS...6 TO 8 FEET NEARSHORE AND 7 TO 9 FEET OFFSHORE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
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