Hawaii Flash Flood Warning | Effective 04/10/2026 15:43

Headline: 
Flash Flood Warning issued April 10 at 12:43PM HST until April 10 at 2:00PM HST by NWS Honolulu HI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 10, 2026 - 3:43pm
Expires: 
April 10, 2026 - 5:00pm
Description: 
At 1243 PM HST, emergency management reported heavy rain and flooding over the north shore of Oahu, particularly near Waialua and Ehukai Beach Park. Radar indicated rain was falling at a rate of up to an inch per hour within some of the heavier showers moving in from the west. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. Some locations that will experience flash flooding include... Waialua, Haleiwa, Schofield Barracks, Wahiawa, Wheeler Field, Mililani, Waianae, Hauula, Laie, Nanakuli, Kahuku, Punaluu, Helemano Housing, Whitmore Village, Mokuleia, Waimea Valley, Waimea Bay, Pupukea, Sunset Beach and Dillingham Field.
Instruction: 
Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry.
Area Description: 
Oahu in Honolulu, HI
Forcast Office: 
NWS Honolulu HI