Headline:
Flood Watch issued March 19 at 9:07AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
Event:
Flood Watch
Urgency:
Future
Effective:
March 19, 2026 - 12:07pm
Expires:
March 20, 2026 - 2:15am
Description:
...FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON
FOR THE STATE OF HAWAII...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...The island of Oahu in Honolulu County, Maui, Molokai,
Lanai, Kahoolawe, and the Big Island.
* WHEN...From 6 PM HST this evening through Sunday afternoon.
* IMPACTS...Flood prone roads and other low lying areas may be
closed due to elevated runoff and overflowing streams. Urban areas
may receive more significant flooding and property damage due to
rapid runoff.
* ADDITIONAL DETAILS...
- A kona low developing west of the islands will draw abundant
moisture northward as it strengthens and eventually departs
to north early next week. Several rounds of moderate to heavy
rainfall are anticipated. The heaviest rain is expected from
Friday night through Saturday.
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; 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: