21°28'S / 158°12'Z / Výška 18 m / 16:24 20.03.2026, Pacific/Honolulu (UTC-10)
Od: 20.03.2026, 03:39
Do: 20.03.2026, 18:00
...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...The island of Oahu, Molokai, Lanai, Kahoolawe, Maui, and the Big Island.
* 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.
Oahu in Honolulu,Waianae Coast
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
NWS Honolulu HI
20.03.2026, 03:39Od: 20.03.2026, 13:31
Do: 20.03.2026, 17:00
FFWHFO
The National Weather Service in Honolulu has extended the
* Flash Flood Warning for... The island of Oahu in Honolulu County
* Until 500 PM HST.
* At 131 PM HST, emergency management reported ongoing flood impacts in the North Shore areas. The Wahiawa Reservoir and area streams remain elevated as well. Additional areas of heavy rain are expected over the next few hours which could exacerbate existing flooding and cause additional rises in stream and reservoir water levels.
This is a FLASH FLOOD EMERGENCY for Northern Oahu. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!
HAZARD...Heavy rain producing life threatening flash flooding.
SOURCE...Emergency management.
IMPACT...Severe flooding in drainages, streams, rivers, roads, properties, and other low lying areas. Numerous public road closures in effect, as well as landslides in steep terrain. Significant property damage is ongoing for homes and other properties in low lying areas and is likely to continue with additional heavy rain.
* Some locations that will experience flash flooding include... northern half of Oahu, along and north of a line from Waianae Valley to Mililani Mauka to Waiahole.
Oahu in Honolulu, HIMove to higher ground now! This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Stay away from streams, rivers, drainage ditches, and culverts, even
if they are currently dry.
The heavy rains may cause rock and mudslides in steep terrain areas.NWS Honolulu HI20.03.2026, 13:31