NWHW50 PHFO 201509 LSRHFO Preliminary Local Storm Report National Weather Service Honolulu HI 509 AM HST Fri Mar 20 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0507 AM Flash Flood Waialua 21.58N 158.13W 03/20/2026 Honolulu HI Public Waialua Beach Rd two to three ft under water. && $$