Severe winds attaining velocities of as high as 155km/h (96mph) have left around 90,000 households lacking electricity and compelled authorities to call off in excess of 100 aircraft departures, based on domestic outlets.
The winds are affecting the entire southern region and southern sections of the North Island, according to the national weather agency.
The nation's agencies have issued uncommon severe gust advisories - the highest alert level - in key areas including Wellington and Canterbury.
Residents have been advised to remain inside, stay off roads, and make arrangements for more electricity and network failures.
Widespread Damage and Crisis Response
The electricity loss is primarily influencing residences mostly in the southern region, while authorities say that power was being gradually reinstated.
Local media have stated that in some places structures have suffered roof damage, whereas utility poles and vegetation have been toppled by the gusts.
Within the capital, a individual was fatally injured after being hit by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a individual was swept into approaching vehicles on a thoroughfare by a strong gust of wind, in a moment that was captured in a widely shared car camera footage.
Aircraft services to and from the city have been suspended because of the weather, whereas some roads and libraries are not operating.
At the same time Canterbury officials have declared a crisis declaration, to assist disaster response efforts.
Strike Action During Extreme Weather
These intense gusts on today occur while many of teachers, doctors and other public workers take part in what has been termed a "mega strike", requesting improved salaries and workplace environments.
But the extreme weather has compelled them to modify some of their plans, with various open-air gatherings moved indoors or abandoned.
Like conditions are impacting Australia, bringing a period of extreme heat to the remote areas.
Officials have declared fire bans for apprehension regarding forest fires.