389  
WHUS54 KBRO 101324  
SMWBRO  
GMZ130-150-155-101400-  
/O.NEW.KBRO.MA.W.0039.260710T1324Z-260710T1400Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
824 AM CDT FRI JUL 10 2026  
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD TX OUT 20 NM...  
COASTAL WATERS FROM PORT MANSFIELD TX TO THE RIO GRANDE RIVER OUT  
20 NM...  
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO...  
 
* UNTIL 900 AM CDT.  
 
* AT 823 AM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 8 NM SOUTH OF LAGUNA MADRE TO 11 NM NORTH OF SOUTH  
PADRE ISLAND, MOVING NORTH AT 35 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
LAGUNA MADRE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 
 
 
LAT...LON 2633 9720 2633 9721 2630 9720 2629 9720  
2628 9719 2625 9719 2623 9718 2620 9718  
2628 9726 2641 9724 2640 9723 2642 9723  
2641 9722 2642 9722 2645 9724 2678 9719  
2670 9710 2646 9687 2619 9717  
TIME...MOT...LOC 1323Z 185DEG 37KT 2643 9723 2635 9714 2629 9713  
 
HAIL...0.00IN  
WIND...40KTS  
 
 
 
65-GI  
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