Headline:
Flood Watch issued September 6 at 5:00PM HST until September 8 at 6:00PM HST by NWS Honolulu HI
Event:
Flood Watch
Urgency:
Future
Effective:
September 6, 2026 - 8:00pm
Expires:
September 7, 2026 - 10:00am
Description:
Moisture along the eastern flank of Hurricane Lowell will bring
periods of heavy rain to the main Hawaiian Islands through Tuesday.
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Maui, Lanai, Molokai, Oahu, The Big Island and Kahoolawe.
* WHEN...Through Tuesday 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...
- Moisture along the eastern flank of Hurricane Lowell will bring
periods of heavy rain to the main Hawaiian islands through
Tuesday. Initially, the threat of heavy rain will be highest
along windward and mountain areas, and then spread everywhere as
the winds become more southerly by Monday.
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