Hawaii Flood Watch | Effective 04/11/2026 06:07

Headline: 
Flood Watch issued April 11 at 3:07AM HST until April 13 at 6:00PM HST by NWS Honolulu HI
Event: 
Flood Watch
Urgency: 
Future
Effective: 
April 11, 2026 - 6:07am
Expires: 
April 11, 2026 - 8:15pm
Description: 
...FLOOD WATCH NOW IN EFFECT FOR ALL HAWAIIAN ISLANDS THROUGH 6 PM HST MONDAY... * WHAT...Flash flooding caused by excessive rainfall remains possible. * WHERE...Niihau and Kauai. * WHEN...From late tonight through Monday 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 disturbance approaching from the northwest is expected to renew deep tropical moisture across all Hawaiian Islands beginning late tonight. Given saturated soils and elevated stream levels following recent heavy rainfall, flooding may redevelop quickly.
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; Kauai North; Kauai East; Kauai South
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov