Interactive NWS Alert

Radar valid at 600 pm HST, Sep 8th 2026

A weak band of moisture just east of the Big Island will move east on Wednesday and may produce flooding on the Big Island during the afternoon.

HIZ001-003-004-006-007-009>011-015>018-022-029>050-090230-
/O.CAN.PHFO.FA.A.0011.000000T0000Z-260909T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Lanai Mauka-
Kahoolawe-Maui Windward West-Maui Leeward West-Haleakala Summit-
Kauai North-Kauai East-Kauai South-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-
330 PM HST Tue Sep 8 2026

...FLOOD WATCH IS CANCELLED...

The Flood Watch is cancelled for Kauai, Oahu, Molokai, Lanai, Niihau,
and Kahoolawe.

Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.