Active Weather Alerts
Flood Advisory
Issued: 3:35 AM Apr. 13, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 845 PM HST THIS EVENING FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... * WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Oahu in Honolulu County. * WHEN...Until 845 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 531 PM HST, radar indicated light to moderate rain falling at a rate of up to 0.5 inch per hour over Oahu. Expected continued light to moderate rainfall into the evening, and even low rain rates can produce ponding due to saturated conditions. - Some locations that will experience flooding include... the entire island of Oahu. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect. && This advisory may need to be extended beyond 845 PM HST if flooding; persists.
Flood Watch
Issued: 1:00 AM Apr. 13, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Kauai, Oahu, Maui, Molokai, Lanai, Kahoolawe, and Niihau. * WHEN...Through 6 AM HST Monday morning. * 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... - Rain continues as deep tropical moisture remains in place over the area. Although rain rates have been generally light, there remains potential for an increase in rates overnight. In addition, heavy showers have developed over Maui County. Overall, the threat for flash flooding is diminishing. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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