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...Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island.
* WHEN...For the Big Island, through Monday afternoon. Elsewhere,
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:
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; 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