462 WHUS52 KMLB 151215 SMWMLB AMZ570-572-151345- /O.NEW.KMLB.MA.W.0019.260315T1215Z-260315T1345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Melbourne FL 815 AM EDT Sun Mar 15 2026 The National Weather Service in Melbourne has issued a * Special Marine Warning for... Flagler Beach to Volusia-Brevard County Line 20-60 nm... Volusia-Brevard County Line to Sebastian Inlet 20-60 nm... * Until 945 AM EDT. * At 815 AM EDT, a strong thunderstorm was located 37 nm east of Playalinda Beach, moving northeast at 5 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...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. * The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 2934 7991 2912 7973 2903 7969 2864 7984 2873 8011 TIME...MOT...LOC 1215Z 210DEG 7KT 2882 7994 HAIL...0.00IN WIND...40KTS $$ Sedlock  952 WHHW50 PHFO 151218 SMWHFO PHZ122-124-151415- /O.NEW.PHFO.MA.W.0044.260315T1218Z-260315T1415Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Honolulu HI 218 AM HST Sun Mar 15 2026 The National Weather Service in Honolulu has issued a * Special Marine Warning for... Big Island Southeast Waters... Big Island Windward Waters... * Until 415 AM HST. * At 212 AM HST, a severe thunderstorm capable of producing waterspouts was located 23 nm southeast of FAD Buoy KH, or 26 nm southeast of Kalapana, moving northeast at 35 knots. HAZARD...Waterspouts and wind gusts to nearly 50 knots. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for gusty winds, steep and fast-building seas, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 1829 15591 1875 15566 1979 15420 1943 15415 1915 15424 1900 15436 1878 15465 1861 15504 1847 15516 1830 15541 1825 15576 TIME...MOT...LOC 1212Z 224DEG 37KT 1899 15472 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...49KTS $$ Bohlin  607 FZHW70 PHFO 151243 MWSHFO Marine Weather Statement National Weather Service Honolulu HI 243 AM HST Sun Mar 15 2026 PHZ110>114-151252- /O.CAN.PHFO.MA.W.0043.000000T0000Z-260315T1315Z/ 243 AM HST Sun Mar 15 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Kauai Channel... Kauai Leeward Waters... Kauai Northwest Waters... Kauai Windward Waters... Oahu Windward Waters... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 2185 16025 2178 16020 2185 16018 2190 16007 2197 16007 2271 15890 2247 15871 2215 15862 2229 15832 2195 15802 2113 16004 2111 16021 2115 16043 2126 16064 2148 16083 TIME...MOT...LOC 1236Z 238DEG 41KT 2230 15893 $$ Bohlin  169 WGHW70 PHFO 151249 FFSHFO Flash Flood Statement National Weather Service Honolulu HI 249 AM HST Sun Mar 15 2026 HIC001-151600- /O.CON.PHFO.FF.W.0015.000000T0000Z-260315T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Hawaii HI- 249 AM HST Sun Mar 15 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 AM HST EARLY THIS MORNING FOR THE BIG ISLAND OF HAWAII IN HAWAII COUNTY... At 249 AM HST, radar indicated heavy rain over the Big Island of Hawaii. Rain was falling at a rate of 1 to 2 inches per hour in some areas and additional heavy rain remains possible. Hawaii County Emergency Management officials are asking residents and visitors to shelter in place for this life threatening event, keeping roadways clear for emergency responders. HAZARD...Flash flooding caused by heavy rain impacts multiple communities on the Big Island of Hawaii. SOURCE...Radar and Emergency Management indicated. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. Some locations that will experience flash flooding include... the entire Big Island of Hawaii. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Be especially cautious at night when it is harder to recognize the dangers of flooding. The heavy rains may cause rock and mudslides in steep terrain areas. && LAT...LON 1998 15583 2025 15589 2025 15577 2012 15560 2000 15524 1986 15509 1973 15509 1974 15501 1964 15498 1952 15481 1948 15482 1935 15498 1927 15516 1927 15530 1914 15551 1892 15568 1904 15588 1948 15592 1946 15593 1973 15606 FLASH FLOOD...RADAR INDICATED $$ RCB