Headline:
Flood Watch issued May 15 at 2:17PM HST until May 16 at 6:00AM HST by NWS Honolulu HI
Event:
Flood Watch
Urgency:
Future
Effective:
May 15, 2026 - 5:17pm
Expires:
May 16, 2026 - 9:00am
Description:
...FLOOD WATCH CANCELLED FOR KAUAI AND NIIHAU...
...FLOOD WATCH HAS BEEN ISSUED FOR BIG ISLAND THROUGH 6 AM HST...
...FLOOD WATCH HAS BEEN EXTENDED FOR OAHU, MOLOKAI, LANAI, AND MAUI
THROUGH 6 AM HST...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...The Big Island.
* WHEN...Through 6 AM HST Saturday 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...
- An upper level low and associated surface boundary will
provide conditions favorable for heavy rain through tonight.
Heavy rain has been observed on Oahu and Molokai, and this
feature is moving toward Big Island tonight.
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov