Intense winds reaching speeds of approximately 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and compelled agencies to halt more than 100 air travel services, as reported by local media.
The winds 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 infrequent high-level wind alerts - the highest alert level - in central regions such as Canterbury and Wellington.
Locals have been encouraged to remain inside, avoid travel, and prepare for further utility disruptions.
Widespread Impact and Crisis Response
The power cut is primarily influencing households mainly in the South Island, although agencies report that the electricity supply was being gradually reinstated.
Regional news have reported that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gales.
Within the capital, a man was fatally injured after being struck by a falling limb at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was blown onto moving cars on a street by a strong gust of wind, in a event that was recorded in a popular vehicle recording.
Air travel entering and leaving the metropolis have been cancelled as a result of the weather, while certain highways and community centers are also closed.
Meanwhile Canterbury officials have issued a state of emergency, to support disaster response efforts.
Labor Protests During Harsh Conditions
The wild winds on this day occur while tens of thousands of school staff, physicians and civil servants are participating in what has been termed a "significant labor action", calling for improved salaries and workplace environments.
But the severe conditions has compelled them to change certain arrangements, with some outdoor rallies shifted to interior venues or cancelled.
Comparable winds are also sweeping the nearby nation, causing a period of extreme heat to the country's outback.
Authorities have issued fire bans for concern about forest fires.
