Severe gales reaching velocities of up to 155km/h (96mph) have left around 90,000 properties without power and forced agencies to halt in excess of 100 aircraft departures, according to local media.
The gales are affecting the whole southern region and southern sections of the North Island, according to the weather forecasting body.
The nation's agencies have released rare red wind warnings - the highest alert level - in core zones including these major districts.
Locals have been encouraged to avoid going outside, avoid travel, and prepare for further utility disruptions.
Broad Damage and Crisis Response
The power cut seems to be impacting residences mostly in the southern region, though agencies say that the electricity supply was being slowly brought back.
Regional news have indicated that in certain areas homes have lost their roofs, whereas power lines and trees have been brought down by the winds.
Within the capital, a individual was killed after being struck by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was blown onto oncoming traffic on a road by a intensive burst, in a incident that was filmed in a widely shared car camera footage.
Aircraft services in and out of the metropolis have been suspended as a result of the weather, whereas certain highways and community centers are also closed.
Simultaneously Canterbury officials have announced a crisis declaration, to facilitate recovery activities.
Strike Action Amid Extreme Conditions
The powerful gales on Thursday coincide with numerous of educators, medical professionals and government employees are participating in what has been termed a "major walkout", demanding better pay and working conditions.
However the severe conditions has forced them to modify certain arrangements, with several external protests shifted to interior venues or called off.
Like conditions are also sweeping the neighboring country, causing a heatwave to the remote areas.
Authorities have announced burning restrictions for concern about wildfires.
