Hawaii Flood Watch | Effective 04/10/2026 05:25

Headline: 
Flood Watch issued April 10 at 2:25AM HST until April 10 at 6:00PM HST by NWS Honolulu HI
Event: 
Flood Watch
Urgency: 
Future
Effective: 
April 10, 2026 - 5:25am
Expires: 
April 10, 2026 - 9:00pm
Description: 
...FLOOD WATCH REMAINS IN EFFECT FOR ALL HAWAIIAN ISLANDS... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The island of Kauai in Kauai County, The island of Niihau in Kauai County, Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through this afternoon. * IMPACTS...Significant flooding may occur due to excessive rainfall and 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... - Low pressure northwest of the islands will draw deep tropical moisture northward across the state, bringing the potential for heavy rain and thunderstorms capable of producing flash flooding.
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Niihau; Kauai Southwest; Kauai Mountains; Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Kauai North; Kauai East; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Koolau Windward; Koolau Leeward; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov