Intense gusts attaining velocities of approximately 155km/h (96mph) have left approximately 90,000 homes experiencing outages and compelled agencies to cancel in excess of 100 flights, according to local media.
These gusts are impacting the complete southern region and southern parts of the North Island, according to the weather forecasting body.
The nation's agencies have issued uncommon red wind warnings - the highest alert level - in key areas such as these major districts.
Locals have been advised to avoid going outside, refrain from journeys, and get ready for additional electricity and network failures.
Extensive Impact and Emergency Response
The power cut is primarily influencing homes mainly in the southern region, while authorities report that power was being gradually reinstated.
Regional news have stated that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the gusts.
In Wellington, a individual was killed after being hit by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Aircraft services in and out of the city have been halted as a result of the gusts, while certain highways and community centers are shut down.
Meanwhile Canterbury officials have announced a emergency situation, to facilitate recovery activities.
Strike Action Alongside Harsh Weather
The powerful gales on Thursday coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "mega strike", requesting improved salaries and workplace environments.
But the intense climate has compelled them to change certain arrangements, with various open-air gatherings relocated inside or cancelled.
Comparable winds are affecting the neighboring country, ushering in a high-temperature event to the remote areas.
Agencies have declared fire bans for apprehension regarding wildfires.