Intense gales hitting velocities of up to 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and compelled agencies to cancel over 100 flights, based on local media.
These gusts are impacting the whole southern region and southern parts of the North Island, according to the national weather agency.
The nation's agencies have announced infrequent severe gust advisories - the highest alert level - in central regions including these major districts.
Residents have been advised to remain inside, avoid travel, and get ready for further power and communication outages.
Widespread Damage and Crisis Measures
This outage appears to be affecting homes mostly in the South Island, although authorities state that energy was being slowly brought back.
Domestic outlets have reported that in certain areas homes have lost their roofs, and power lines and trees have been brought down by the gusts.
Within the capital, a person was lost his life after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a thoroughfare by a strong gust of wind, in a event that was captured in a widely shared car camera footage.
Air travel entering and leaving the city have been cancelled as a result of the weather, whereas some roads and libraries are not operating.
Simultaneously local leaders have announced a state of emergency, to support recovery activities.
Strike Action Alongside Harsh Conditions
The powerful gales on Thursday coincide with many of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
However the intense climate has forced them to alter certain arrangements, with various open-air gatherings moved indoors or called off.
Like conditions are impacting Australia, causing a heatwave to the country's outback.
Officials have declared burning restrictions for concern about forest fires.
