497  
FZUS74 KBRO 181832  
MWSBRO  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
132 PM CDT THU SEP 18 2025  
 
GMZ130-132-150-181930-  
132 PM CDT THU SEP 18 2025  
   
..STRONG THUNDERSTORMS OVER THE WATERS
 
 
THE AREAS AFFECTED INCLUDE...  
COASTAL WATERS FROM PORT MANSFIELD TX TO THE RIO GRANDE RIVER OUT  
20 NM...  
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT  
MANSFIELD TX...  
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO  
COLORADO...  
 
AT 131 PM CDT, DOPPLER RADAR INDICATED STRONG THUNDERSTORMS, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS. THESE THUNDERSTORMS WERE  
LOCATED ALONG A LINE EXTENDING FROM 15 NM NORTH OF PORT ISABEL TO 10  
NM NORTH OF SOUTH PADRE ISLAND TO NEAR LAGUNA VISTA, MOVING WEST AT  
30 KNOTS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS CAN EXPECT GUSTY WINDS TO AROUND 30 KNOTS, LOCALLY HIGHER  
WAVES, AND LIGHTNING STRIKES. BOATERS SHOULD SEEK SAFE HARBOR  
IMMEDIATELY UNTIL THESE STORMS PASS.  
 

 
 
LAT...LON 2646 9747 2638 9722 2639 9722 2634 9721  
2639 9721 2632 9705 2614 9715 2613 9717  
2633 9720 2614 9718 2611 9729 2611 9730  
2635 9733 2642 9739 2640 9745 2637 9745  
 

 
 
65-GI  
 
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