Weather Alerts For Port Allen, HI

Flood Watch National Weather Service Honolulu HI 400 AM HST Wed Dec 17 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH 6 PM HST THURSDAY 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- 400 AM HST Wed Dec 17 2025 * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Niihau, Kauai, and Oahu. * WHEN...Through Thursday 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 weakening cold front stalling out near Kauai and Oahu will continue to produce southerly winds, drawing up additional unstable and deep tropical moisture across the western half of the state. Expect periods of moderate to locally heavy showers and isolated thunderstorms through Thursday 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. &&