Watches, Warnings & Advisories



One product issued by NWS for: Kahului Airport HI

Flood Watch

Flood Watch
National Weather Service Honolulu HI
415 AM HST Sun Sep 6 2026

.Moisture along the eastern flank of Hurricane Lowell will bring
periods of heavy rain to the main Hawaiian Islands late Sunday
through Tuesday.

HIZ006-007-009>011-015>018-022-023-026>028-032>054-070415-
/O.EXT.PHFO.FA.A.0011.260906T2200Z-260909T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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
Summits-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-
415 AM HST Sun Sep 6 2026

...FLOOD WATCH NOW IN EFFECT FROM NOON HST TODAY THROUGH TUESDAY
AFTERNOON...

* WHAT...Flash flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Maui, Lanai, Molokai, Oahu, The Big Island and Kahoolawe.

* WHEN...From noon HST today 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 Sunday
    afternoon through Tuesday. Initially, the threat of heavy rain
    will be highest along windward and mountain areas, then the
    threat will spread everywhere as the winds become more southerly
    by Monday.
  - Maui, Lanai, Molokai, Oahu, The Big Island and Kahoolawe.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$