Flood Watch

Locations Affected

Honolulu, HI ∙ Kahaluu, HI ∙ Manele, HI ∙ Ulupalakua, HI ∙ Hualālai, HI ∙ Volcano, HI ∙ Makaha Valley, HI ∙ ‘Ewa Beach, HI ∙ Haiku-Pauwela, HI ∙ Hawaiian Ocean View, HI

Headline

...FLOOD WATCH CANCELLED FOR KAUAI AND NIIHAU... ...FLOOD WATCH HAS BEEN ISSUED FOR BIG ISLAND THROUGH 6 AM HST... ...FLOOD WATCH HAS BEEN EXTENDED FOR OAHU, MOLOKAI, LANAI, AND MAUI THROUGH 6 AM HST...

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Honolulu HI 217 PM HST Fri May 15 2026 ...FLOOD WATCH CANCELLED FOR KAUAI AND NIIHAU... ...FLOOD WATCH HAS BEEN ISSUED FOR BIG ISLAND THROUGH 6 AM HST... ...FLOOD WATCH HAS BEEN EXTENDED FOR OAHU, MOLOKAI, LANAI, AND MAUI THROUGH 6 AM HST... * WHAT...Flash flooding caused by excessive rainfall has already occurred and continues to be possible through tonight. * WHERE...Oahu, Maui, Molokai, Lanai, and Kahoolawe. * WHEN...Through 6 AM HST Saturday morning. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - An upper level low and associated surface boundary will provide conditions favorable for heavy rain through tonight. Heavy rain has already been observed over portions of the watch area, and conditions will not change much overnight. Therefore, the watch is being extended in time. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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