Intense winds reaching speeds of up to 155km/h (96mph) have caused around 90,000 properties lacking electricity and led agencies to halt over 100 aircraft departures, based on local media.
The gales are influencing the whole southern region and southern sections of the North Island, as stated by the national weather agency.
Officials in New Zealand have released infrequent high-level wind alerts - the top caution category - in central regions including Wellington and Canterbury.
People have been advised to remain inside, stay off roads, and prepare for more power and communication outages.
Widespread Impact and Emergency Response
The power cut seems to be impacting households mainly in the South Island, although officials state that the electricity supply was being restored progressively.
Regional news have reported that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gales.
Across Wellington, a individual was killed after being struck by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a female was swept into oncoming traffic on a road by a strong gust of wind, in a moment that was filmed in a widely shared car camera footage.
Aircraft services in and out of the metropolis have been cancelled as a result of the gusts, whereas various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have announced a crisis declaration, to support disaster response efforts.
Strike Action Alongside Extreme Weather
The wild winds on today come as numerous of teachers, doctors and other public workers are participating in what has been described as a "mega strike", demanding better pay and working conditions.
Yet the severe conditions has forced them to alter certain arrangements, with several external protests moved indoors or called off.
Comparable winds are affecting Australia, causing a period of extreme heat to the country's outback.
Agencies have declared flame prohibitions for concern about wildfires.
