The National Weather Service Honolulu office reported multiple crowdsourced incidents of flooding along Likelike Highway near the Wilson Tunnels and water flowing over Kam Highway in the Waiahole area on Oahu at 6:16-6:45 PM UTC on February 21, 2026, due to torrential rainfall rates reaching 1.31 inches near Waiahole, according to two X posts from NWSHonolulu. NWSHonolulu recorded the 1.31 inches of rain near Waiahole, equating to a rate of 8.43 inches per hour, prompting warnings to avoid flooded roadways and not drive through standing water under the #TurnAroundDontDrown campaign. The agency cited Waze user reports for the Likelike Highway flooding near the Wilson Tunnels and confirmed overflow on Kam Highway in Waiahole, emphasizing safety amid ongoing heavy rains.
