Headline:
Flood Watch issued March 20 at 3:39AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
Event:
Flood Watch
Urgency:
Future
Effective:
March 20, 2026 - 6:39am
Expires:
March 20, 2026 - 9:00pm
Description:
...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON FOR ALL ISLANDS IN
THE STATE OF HAWAII...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Niihau and Kauai.
* WHEN...Through Sunday 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...
- A kona low developing west of the islands will draw abundant
moisture northward as it strengthens and eventually departs
to north early next week. Several rounds of moderate to heavy
rainfall and thunderstorms are expected. The heaviest rain is
expected to last through Saturday, except for the Big Island
where the heaviest rain is expected on Sunday.
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Niihau; Kauai Southwest; Kauai Mountains; Kauai North; Kauai East; Kauai South
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov