065 

WHUS54 KBRO 171223

SMWBRO

GMZ170-171300-

/O.NEW.KBRO.MA.W.0111.251217T1223Z-251217T1300Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Brownsville TX

623 AM CST Wed Dec 17 2025



The National Weather Service in Brownsville has issued a



* Special Marine Warning for...

  Waters from Port Mansfield TX to the Rio Grande River from 20 to 60

  NM...



* Until 700 AM CST.



* At 622 AM CST, a severe thunderstorm capable of producing

  waterspouts was located 33 nm east of Boca Chica Beach, or 34 nm

  east of South Padre Island, moving northeast at 20 knots.



  HAZARD...Waterspouts, wind gusts 34 knots or greater, and small 

           hail.



  SOURCE...Radar.



  IMPACT...Waterspouts can easily overturn boats and create locally 

           hazardous seas. Small craft could be damaged in briefly 

           higher winds and suddenly higher waves.



* The severe thunderstorm will remain over mainly open waters.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor until hazardous weather passes.



Thunderstorms can produce sudden waterspouts. Waterspouts can easily

overturn boats and create locally hazardous seas. Seek safe harbor

immediately.



&&



LAT...LON 2596 9668 2606 9675 2628 9642 2600 9619

      2596 9635

TIME...MOT...LOC 1222Z 241DEG 21KT 2605 9654 



WATERSPOUT...POSSIBLE

HAIL...<.75IN

WIND...>34KTS



$$



60-BE






920 

FZUS74 KBRO 171242

MWSBRO



Marine Weather Statement

National Weather Service Brownsville TX

642 AM CST Wed Dec 17 2025



GMZ170-171345-

642 AM CST Wed Dec 17 2025



...A STRONG THUNDERSTORM OVER THE WATERS...



The areas affected include...

  Waters from Port Mansfield TX to the Rio Grande River from 20 to 

  60 NM...



At 641 AM CST, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots. This thunderstorm was located

44 nm east of South Padre Island, moving northeast 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 this storm passes.



Mariners can expect gusty winds to around 30 knots, locally higher

waves, lightning strikes, and heavy downpours. Boaters should seek

safe harbor immediately until this storm passes.



Intense lightning is occurring with this storm. If caught on the open

water stay below deck if possible, keep away from ungrounded metal

objects.



&&



LAT...LON 2624 9639 2638 9651 2658 9628 2658 9609

      2651 9607 2645 9606



$$



64-Katz






554 

FZUS74 KBRO 171255

MWSBRO



Marine Weather Statement

National Weather Service Brownsville TX

655 AM CST Wed Dec 17 2025



GMZ170-171400-

655 AM CST Wed Dec 17 2025



...A STRONG THUNDERSTORM OVER THE WATERS...



The areas affected include...

  Waters from Port Mansfield TX to the Rio Grande River from 20 to 

  60 NM...



At 655 AM CST, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots. This thunderstorm was located

39 nm east of Boca Chica Beach, or 40 nm east of South Padre Island,

moving northeast at 15 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 this storm passes.



Mariners can expect gusty winds to around 30 knots, locally higher

waves, lightning strikes, and heavy downpours. Boaters should seek

safe harbor immediately until this storm passes.



Intense lightning is occurring with this storm. If caught on the open

water stay below deck if possible, keep away from ungrounded metal

objects.



&&



LAT...LON 2596 9644 2596 9657 2611 9655 2649 9631

      2622 9600 2604 9599



$$



64-Katz