Severe gusts hitting speeds of approximately 155km/h (96mph) have left around 90,000 households without power and compelled agencies to call off in excess of 100 aircraft departures, based on local media.
These gusts are impacting the whole South Island and southern parts of the North Island, as stated by the country's meteorological service.
The nation's agencies have released rare red wind warnings - the highest alert level - in central regions encompassing Wellington and Canterbury.
Residents have been encouraged to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Extensive Destruction and Crisis Response
The electricity loss appears to be affecting residences predominantly in the South Island, though authorities report that power was being gradually reinstated.
Local media have indicated that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gales.
In Wellington, a man was lost his life after being hit by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a female was blown onto approaching vehicles on a street by a powerful blast, in a event that was filmed in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been halted because of the weather, and some roads and libraries are also closed.
At the same time authorities in Canterbury have issued a emergency situation, to assist recovery activities.
Strike Action During Harsh Conditions
The powerful gales on today coincide with numerous of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
However the severe conditions has pressured them to modify some of their plans, with some outdoor rallies relocated inside or abandoned.
Like conditions are affecting Australia, causing a period of extreme heat to the remote areas.
Authorities have issued fire bans for apprehension regarding wildfires.