746 WHUS52 KMLB 122001 SMWMLB AMZ550-570-122100- /O.NEW.KMLB.MA.W.0080.260512T2001Z-260512T2100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Melbourne FL 401 PM EDT Tue May 12 2026 The National Weather Service in Melbourne has issued a * Special Marine Warning for... Flagler Beach to Volusia-Brevard County Line 0-20 nm... Flagler Beach to Volusia-Brevard County Line 20-60 nm... * Until 500 PM EDT. * At 401 PM EDT, a severe thunderstorm capable of producing waterspouts was located 9 nm northeast of Holly Hill, moving southeast at 10 knots. HAZARD...Waterspouts, wind gusts to nearly 50 knots, and large hail. SOURCE...Radar. IMPACT...Waterspouts can can quickly form and capsize boats, damage vessels and create locally hazardous seas. Make sure all on board are wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. Large hail could result in injury and damage to boats. * Locations impacted include... Holly Hill, Ormond Beach, Daytona Beach Shores, and Ormond-By-the-Sea. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts to nearly 50 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent cloud to water lightning is occurring with this storm. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2930 8102 2947 8081 2920 8042 2899 8084 TIME...MOT...LOC 2001Z 314DEG 12KT 2932 8088 WATERSPOUT...POSSIBLE HAIL...>.75IN WIND...49KTS $$ Leahy  950 WWUS52 KMLB 122007 SVSMLB Severe Weather Statement National Weather Service Melbourne FL 407 PM EDT Tue May 12 2026 FLC097-122030- /O.CON.KMLB.SV.W.0037.000000T0000Z-260512T2030Z/ Osceola FL- 407 PM EDT Tue May 12 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR CENTRAL OSCEOLA COUNTY... At 407 PM EDT, a severe thunderstorm was located near Lake Kissimmee, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of central Osceola County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 2805 8130 2812 8115 2794 8105 2792 8130 TIME...MOT...LOC 2007Z 265DEG 14KT 2800 8125 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Leahy  262 WWUS52 KMLB 122026 SVSMLB Severe Weather Statement National Weather Service Melbourne FL 426 PM EDT Tue May 12 2026 FLC097-122036- /O.EXP.KMLB.SV.W.0037.000000T0000Z-260512T2030Z/ Osceola FL- 426 PM EDT Tue May 12 2026 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OSCEOLA COUNTY WILL EXPIRE AT 430 PM EDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However small hail and heavy rain are still possible with this thunderstorm. LAT...LON 2805 8130 2812 8115 2794 8105 2792 8130 TIME...MOT...LOC 2026Z 262DEG 14KT 2801 8117 $$ Leahy  374 FZUS72 KMLB 122038 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 438 PM EDT Tue May 12 2026 AMZ555-122048- /O.EXP.KMLB.MA.W.0079.000000T0000Z-260512T2045Z/ 438 PM EDT Tue May 12 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 445 PM EDT... The affected areas were... Sebastian Inlet to Jupiter Inlet 0-20 nm... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 2718 8032 2723 8035 2728 8035 2729 8032 2724 8026 2742 8035 2747 8002 2716 7999 2715 8029 TIME...MOT...LOC 2038Z 273DEG 8KT 2732 8018 $$ Leahy  980 WHUS52 KMLB 122053 SMWMLB AMZ550-570-122200- /O.NEW.KMLB.MA.W.0081.260512T2053Z-260512T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Melbourne FL 453 PM EDT Tue May 12 2026 The National Weather Service in Melbourne has issued a * Special Marine Warning for... Flagler Beach to Volusia-Brevard County Line 0-20 nm... Flagler Beach to Volusia-Brevard County Line 20-60 nm... * Until 600 PM EDT. * At 452 PM EDT, a severe thunderstorm capable of producing waterspouts was located 7 nm east of Daytona Beach Shores, or 8 nm east of South Daytona, moving south at 10 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar. IMPACT...Waterspouts can can quickly form and capsize boats, damage vessels and create locally hazardous seas. Make sure all on board are wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. * Locations impacted include... Turtle Mound, Bethune Beach, Eldora, Apollo Beach, and Edgewater. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent cloud to water lightning is occurring with this storm. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2948 8061 2891 8052 2889 8088 2929 8109 2946 8105 2948 8072 TIME...MOT...LOC 2052Z 355DEG 10KT 2914 8084 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...40KTS $$ Leahy  726 WHUS52 KJAX 122058 SMWJAX AMZ454-472-474-122200- /O.NEW.KJAX.MA.W.0048.260512T2058Z-260512T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Jacksonville FL 458 PM EDT Tue May 12 2026 The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM... * Until 600 PM EDT. * At 457 PM EDT, a severe thunderstorm capable of producing waterspouts was located 22 nm east of Marineland, or 25 nm northeast of Palm Coast, moving east at 5 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and large 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. Large hail could result in structural damage. * Locations impacted include... Big Georges Reef. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts to 40 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. && LAT...LON 2991 8093 3010 8049 2952 8031 2948 8056 2948 8071 2947 8095 TIME...MOT...LOC 2057Z 257DEG 6KT 2971 8079 WATERSPOUT...POSSIBLE HAIL...>.75IN WIND...40KTS $$ AC  793 WGCA72 TJSJ 122058 FFSSJU Flash Flood Statement National Weather Service San Juan PR 458 PM AST Tue May 12 2026 PRC127-122108- /O.EXP.TJSJ.FF.W.0025.000000T0000Z-260512T2100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Juan PR- 458 PM AST Tue May 12 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 5 PM AST THIS AFTERNOON FOR NORTHERN SAN JUAN COUNTY... The heavy rain has ended. Ponding of water is still possible over roads. Please continue to heed remaining road closures. && LAT...LON 1847 6612 1847 6609 1845 6605 1840 6600 1840 6610 1841 6610 1842 6610 1843 6611 1844 6608 1846 6611 1846 6612 $$ MMC