Severe gusts reaching velocities of approximately 155km/h (96mph) have left approximately 90,000 properties without power and led agencies to halt more than 100 air travel services, according to domestic outlets.
The winds are affecting the complete South Island and southern parts of the northern region, per the country's meteorological service.
The nation's agencies have released rare red wind warnings - the highest alert level - in key areas encompassing Canterbury and Wellington.
Residents have been urged to avoid going outside, stay off roads, and make arrangements for more electricity and network failures.
Broad Impact and Emergency Response
The electricity loss is primarily influencing residences mostly in the South Island, while officials report that the electricity supply was being restored progressively.
Local media have stated that in various locations roofs have been ripped off houses, while utility poles and vegetation have been knocked down by the gusts.
In Wellington, a individual was killed after being impacted by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a female was blown onto moving cars on a thoroughfare by a intensive burst, in a event that was filmed in a viral dashcam video.
Aircraft services to and from the city have been cancelled as a result of the gusts, whereas some roads and libraries are shut down.
Simultaneously Canterbury officials have announced a crisis declaration, to support emergency management operations.
Strike Action Amid Harsh Weather
These intense gusts on today coincide with tens of thousands of school staff, physicians and civil servants take part in what has been described as a "major walkout", demanding better pay and working conditions.
However the severe conditions has pressured them to change some of their plans, with several external protests relocated inside or cancelled.
Comparable winds are affecting the neighboring country, ushering in a heatwave to the nation's interior regions.
Officials have announced burning restrictions for apprehension regarding wildfires.
