Powerful gusts hitting velocities of approximately 155km/h (96mph) have left approximately 90,000 properties experiencing outages and led officials to halt more than 100 aircraft departures, as reported by local media.
These gusts are impacting the whole South Island and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have released uncommon severe gust advisories - the top caution category - in key areas encompassing Wellington and Canterbury.
People have been encouraged to remain inside, stay off roads, and make arrangements for additional electricity and network failures.
Extensive Damage and Crisis Measures
The electricity loss is primarily influencing homes mainly in the southern region, while agencies say that energy was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, while trees and electricity poles have been toppled by the winds.
In Wellington, a man was fatally injured after being impacted by a wooden fragment at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was pushed toward moving cars on a road by a strong gust of wind, in a event that was captured in a viral dashcam video.
Air travel entering and leaving the city have been suspended because of the weather, while various routes and public facilities are also closed.
Simultaneously Canterbury officials have announced a emergency situation, to facilitate emergency management operations.
Strike Action Amid Severe Conditions
These intense gusts on this day coincide with many of teachers, doctors and other public workers are participating in what has been described as a "major walkout", calling for better pay and working conditions.
However the severe conditions has compelled them to alter various scheduled activities, with some outdoor rallies moved indoors or called off.
Like conditions are impacting the neighboring country, causing a period of extreme heat to the nation's interior regions.
Authorities have issued fire bans for concern about wildfires.
