755 WGHW50 PHFO 211455 FFWHFO HIC003-211800- /O.NEW.PHFO.FF.W.0021.260321T1455Z-260321T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Honolulu HI 455 AM HST Sat Mar 21 2026 The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Oahu in Honolulu County * Until 800 AM HST. * At 455 AM HST, emergency management reported closed roads island wide as a result of Friday's flooding. While the latest radar depicts light to moderate showers, additional bands of moderate to potentially locally heavy showers may likely in from the south during the early morning hours. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. 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... Island of Oahu. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don't drown. && This warning may need to be extended beyond 800 AM HST if flooding persists. LAT...LON 2125 15769 2125 15772 2127 15773 2124 15782 2130 15790 2129 15811 2136 15815 2148 15824 2153 15825 2158 15829 2160 15813 2169 15805 2173 15798 2155 15783 2147 15783 2143 15779 2147 15779 2147 15772 2141 15773 2131 15764 FLASH FLOOD...OBSERVED $$ Blood