NWS Honolulu HIFF.W 0052September 9, 2026
Flash Flood Warning: Hawaii in Hawaii, HI
The National Weather Service office in Honolulu issued a flash flood warning for Hawaii in Hawaii in Hawaii, which was in force until 11:30 p.m. local time on September 9. It was the 52nd flash flood warning the NWS office in Honolulu issued in 2026. Hawaii had 6 flash flood warnings in September 2026, against 3 in an average September of 2008-2025 (Hawaii's flash flood warnings by year).
ExpiredWarning
In force for 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Honolulu HI
- Area
- Hawaii in Hawaii
- State
- Hawaii
- Level
- Warning
- Issued
- 8:32 p.m. HST, September 9, 2026
- Expires
- 11:30 p.m. HST, September 9, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- PHFO FF.W 0052
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWHFO The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Hawaii in Hawaii County * Until 1130 PM HST. * At 832 PM HST, Doppler radar indicated rain forming and moving over the Kau and Puna districts, with rainfall rates up to 1 inch per hour over already saturated grounds. Big Island Civil Defense reports Highwy 11 is closed in both directions near mile markers 56 and 63 due to flooding. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Hawaiian Paradise Park, Hawaii Volcanoes National Park, Wood Valley, Volcano, Pahala, Glenwood, Punaluu Beach, Kawa Flats, Mountain View, Hawaiian Acres and Naalehu.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.