Weather Alerts For Hau‘ula, HI

Flood Advisory National Weather Service Honolulu HI 505 AM HST Thu Dec 18 2025 Honolulu HI- 505 AM HST Thu Dec 18 2025 ...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 715 AM HST THIS MORNING FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...The island of Oahu in Honolulu County. * WHEN...Until 715 AM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 502 AM HST, radar indicated heavy rain has subsided but another band of showers approaches from the south. Water levels remain elevated across Oahu. - Some locations that will experience flooding include... the entire island of Oahu. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect for Kauai and Oahu until 6 PM HST this evening. && This advisory may need to be extended beyond 715 AM HST if flooding persists.

Flood Watch National Weather Service Honolulu HI 337 AM HST Thu Dec 18 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH 6 PM HST TODAY FOR THE ISLANDS OF NIIHAU KAUAI AND OAHU... Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau Windward-Koolau Leeward- 337 AM HST Thu Dec 18 2025 * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Kauai, Oahu, and Niihau. * WHEN...Through this afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - A slowly moving low level trough near Kauai and Oahu will continue to produce periods of moderate to locally heavy showers and isolated thunderstorms today with potential flooding impacts over the islands of Niihau, Kauai, and Oahu. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&