Intense winds attaining speeds of up to 155km/h (96mph) have left around 90,000 properties experiencing outages and compelled agencies to call off more than 100 flights, based on local media.
The winds are affecting the entire South Island and lower areas of the northern region, as stated by the weather forecasting body.
The nation's agencies have released rare red wind warnings - the top caution category - in core zones encompassing Wellington and Canterbury.
Locals have been encouraged to remain inside, avoid travel, and get ready for further electricity and network failures.
Broad Damage and Crisis Measures
This outage is primarily influencing homes mainly in the southern region, though authorities say that energy was being slowly brought back.
Local media have reported that in some places homes have lost their roofs, and utility poles and vegetation have been knocked down by the gusts.
In Wellington, a individual was fatally injured after being hit by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a female was pushed toward oncoming traffic on a street by a strong gust of wind, in a incident that was recorded in a popular vehicle recording.
Air travel in and out of the metropolis have been cancelled as a result of the winds, and various routes and public facilities are not operating.
Simultaneously local leaders have declared a crisis declaration, to facilitate emergency management operations.
Labor Protests During Extreme Conditions
These intense gusts on today occur while tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "major walkout", demanding better pay and working conditions.
Yet the intense climate has forced them to change various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Comparable winds are affecting Australia, ushering in a heatwave to the remote areas.
Officials have declared flame prohibitions for apprehension regarding bushfires.