609 WHUS54 KCRP 201117 SMWCRP GMZ270-275-201215- /O.NEW.KCRP.MA.W.0018.260520T1117Z-260520T1215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Corpus Christi TX 617 AM CDT Wed May 20 2026 The National Weather Service in Corpus Christi has issued a * Special Marine Warning for... Waters from Baffin Bay to Port Aransas from 20 to 60 NM... Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM... * Until 715 AM CDT. * At 617 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 30 nm southwest of Matagorda Island 607 to 35 nm east of Packery Channel to 32 nm southeast of Malaquite Beach, moving southeast at 30 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar. IMPACT...Waterspouts can quickly form and capsize boats, damage vessels and oil rigs, and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Severe thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 2719 9681 2789 9649 2791 9646 2764 9579 2743 9589 2740 9596 2735 9602 2727 9608 2721 9613 2708 9621 TIME...MOT...LOC 1117Z 294DEG 30KT 2781 9648 2740 9660 2717 9676 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...40KTS $$ BF  836 WHUS54 KBRO 201148 SMWBRO GMZ130-132-150-170-175-201245- /O.NEW.KBRO.MA.W.0009.260520T1148Z-260520T1245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Brownsville TX 648 AM CDT Wed May 20 2026 The National Weather Service in Brownsville has issued a * Special Marine Warning for... Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM... Laguna Madre From The Arroyo Colorado To 5 NM North Of Port Mansfield TX... Laguna Madre From the Port Of Brownsville to the Arroyo Colorado... Waters from Baffin Bay to Port Mansfield TX from 20 to 60 NM... Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM... * Until 745 AM CDT. * At 648 AM CDT, a severe thunderstorm was located 12 nm south of Port Mansfield, moving south at 35 knots. HAZARD...Wind gusts in excess of 50 knots. SOURCE...Radar. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... Laguna Vista, Port Isabel, Queen Isabella Causeway, and South Padre Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 2597 9715 2600 9715 2600 9726 2605 9719 2606 9719 2608 9720 2611 9730 2635 9733 2635 9738 2641 9738 2636 9744 2642 9739 2642 9742 2641 9745 2642 9743 2674 9640 2619 9600 2596 9675 TIME...MOT...LOC 1148Z 338DEG 34KT 2634 9742 HAIL...0.00IN WIND...50KTS $$ Caceres  315 WHUS54 KHGX 201159 SMWHGX GMZ335-350-355-370-375-201330- /O.NEW.KHGX.MA.W.0031.260520T1159Z-260520T1330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Houston/Galveston TX 659 AM CDT Wed May 20 2026 The National Weather Service in League City has issued a * Special Marine Warning for... Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM... Coastal waters from High Island to Freeport TX out 20 NM... Galveston Bay... Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM... Waters from High Island to Freeport TX from 20 to 60 NM... * Until 830 AM CDT. * At 658 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from near Galveston 282 to 11 nm northwest of Galveston A122 to near Brazos A85, moving east at 20 knots. The strongest thunderstorms are offshore. But gusty winds could occur for areas along the coast as well. HAZARD...Waterspouts and wind gusts to 40 knots. 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. * Locations impacted include... Tabs Buoy F, Galveston A8, Galveston A122, Tabs Buoy B, Galveston Bay Entrance, Galveston 344, Galveston 424, Offatts Bayou, Galveston 221, Galveston Pier 21, High Island A109, Galveston 282, High Island A131, High Island A410, High Island A179, High Island 63, Christmas Bay, Brazos A4, Galveston Ship Channel, and High Island A23. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 2799 9484 2768 9549 2787 9575 2858 9528 2901 9528 2957 9445 2853 9401 TIME...MOT...LOC 1158Z 269DEG 18KT 2896 9509 2839 9507 2793 9556 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...40KTS $$ Self