Intense gales attaining speeds of up to 155km/h (96mph) have left around 90,000 homes without power and compelled officials to cancel over 100 aircraft departures, based on domestic outlets.
The winds are affecting the whole southern region and southern sections of the northern region, according to the country's meteorological service.
New Zealand authorities have announced rare red wind warnings - the highest alert level - in key areas including Wellington and Canterbury.
People have been advised to stay indoors, avoid travel, and make arrangements for more utility disruptions.
Broad Damage and Emergency Measures
The power cut appears to be affecting residences mainly in the southern region, though authorities say that the electricity supply was being restored progressively.
Regional news have indicated that in some places roofs have been ripped off houses, and trees and electricity poles have been brought down by the winds.
Across Wellington, a man was killed after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a woman was blown onto moving cars on a thoroughfare by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Aircraft services to and from the city have been halted as a result of the gusts, while various routes and public facilities are shut down.
At the same time authorities in Canterbury have announced a crisis declaration, to assist emergency management operations.
Work Stoppages Amid Harsh Weather
The powerful gales on this day come as numerous of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
However the intense climate has compelled them to modify various scheduled activities, with several external protests relocated inside or called off.
Comparable winds are affecting Australia, bringing a high-temperature event to the nation's interior regions.
Officials have announced fire bans for fear of wildfires.
