Flash Flood Warning

Locations Affected

Honolulu, HI ∙ Waikāne, HI ∙ Kōnāhuanui, HI ∙ Waimānalo Bay, HI ∙ Punaluu, HI ∙ Ahuimanu, HI ∙ Kailua, HI ∙ Aiea, HI ∙ Kāne‘ohe, HI ∙ Kuapā Pond, HI

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Honolulu HI 125 PM HST Mon Mar 23 2026 The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Oahu in Honolulu County * Until 430 PM HST. * At 125 PM HST, radar indicated heavy rain over windward Oahu and extending into Manoa Valley and Palolo Valley. Rain was falling at a rate of 2 to 4 inches per hour and rapid rises in streams are occurring in Manoa and Palolo. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. * Some locations that will experience flash flooding include... Honolulu, Ahuimanu, Kaneohe, Kahaluu, Waiahole, Kalihi, Moanalua, Maunawili, Halawa, Aiea, Manoa, Kaneohe Marine Base, Waikane, Salt Lake, Kailua, Palolo, Pearl City, Waimanalo, Kaaawa and Hawaii Kai. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. && This warning may need to be extended beyond 430 PM HST if flooding persists. LAT...LON 2160 15787 2155 15783 2147 15783 2143 15779 2144 15778 2145 15779 2147 15779 2147 15777 2134 15769 2132 15766 2127 15773 2126 15779 2133 15793 2156 15797 FLASH FLOOD...RADAR INDICATED

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