Flash Flood in Honolulu County, Hawaii

Flash Flood March 12, 2026 – March 13, 2026 · Honolulu County, Hawaii

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rain over the west side of Oahu led to widespread flooding and road closures across Waianae and Nanakuli. These roads included Puhawai Rd between Lualualei Homestead Road and Halona Roads. Also Halona Road and Hakimo Road had flooding.

The wider storm

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.

Began near Makaha Valley (21.4998, -158.2234).

Source: NOAA Storm Events Database, event 1312711. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.