Flood Watch

Locations Affected

Honolulu, HI ∙ ‘Ō‘ōkala, HI ∙ Lehua, HI ∙ Anahola, HI ∙ Mililani Town, HI ∙ Waikāne, HI ∙ Lāna‘i, HI ∙ Kahului Airport, HI ∙ Keālia, HI ∙ Eleele, HI

Headline

...FLOOD WATCH REMAINS IN EFFECT FOR ALL HAWAIIAN ISLANDS...

Full Alert Message

Flood Watch National Weather Service Honolulu HI 306 PM HST Thu Apr 9 2026 ...FLOOD WATCH REMAINS IN EFFECT FOR ALL HAWAIIAN ISLANDS... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...all Hawaiian Islands. * WHEN...Through Friday afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Low pressure northwest of the islands will draw deep tropical moisture northward across the state, bringing the potential for heavy rain and thunderstorms capable of producing flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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