Flash Flood in Honolulu County, Hawaii

Heavy rain moved over southern Oahu in Honolulu and east Honolulu from the south. Flooding was reported on Queen Street and Kapiolani Boulevard. Landslides were reported on Diamond Head Road, the Punchbowl ramp onto the H1 west bound, and the Pali Highway ramp onto the H1 east bound. Flooding occurred on the H1 Pali offramp, and on Kalanianaole Highway. Significant erosion and undermining of Kalanianaole Highway caused total closure of the highway in both directions near Sealife Park. Nine homeless people and dog were rescued in the Manoa-Palolo Stream near Kaimuki High School due to rapidly rising stream levels. Pearl Highlands shopping center also had flooding.

From March 12th through March 14th of 2026, a large and powerful kona storm setup over the northern central Pacific, and brought numerous impacts across the state. This low was supported by a broad and potent upper level trough that lingered for many days. Impacts included flash flooding, wind damage, large surf, and strong thunderstorms.