Intense winds reaching speeds of approximately 155km/h (96mph) have caused around 90,000 homes experiencing outages and compelled authorities to halt more than 100 flights, according to local media.
The gales are impacting the whole southern region and lower areas of the North Island, according to the weather forecasting body.
The nation's agencies have issued rare high-level wind alerts - the top caution category - in core zones including Wellington and Canterbury.
Residents have been advised to stay indoors, stay off roads, and get ready for further electricity and network failures.
Extensive Damage and Emergency Measures
This outage appears to be affecting residences mostly in the southern region, though officials report that power was being slowly brought back.
Regional news have stated that in various locations roofs have been ripped off houses, whereas utility poles and vegetation have been toppled by the gusts.
In Wellington, a person was fatally injured after being hit by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a street by a intensive burst, in a incident that was recorded in a popular vehicle recording.
Air travel entering and leaving the city have been halted as a result of the winds, and certain highways and community centers are also closed.
At the same time Canterbury officials have issued a emergency situation, to facilitate disaster response efforts.
Labor Protests During Harsh Weather
These intense gusts on Thursday occur while many of school staff, physicians and civil servants are engaged in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
But the intense climate has compelled them to alter certain arrangements, with several external protests shifted to interior venues or abandoned.
Like conditions are impacting Australia, causing a period of extreme heat to the country's outback.
Authorities have issued fire bans for fear of bushfires.
