Powerful gusts hitting speeds of as high as 155km/h (96mph) have caused around 90,000 households lacking electricity and led officials to cancel more than 100 flights, as reported by local media.
The gales are impacting the whole southern region and southern parts of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have issued rare red wind warnings - the most severe warning - in central regions including Wellington and Canterbury.
People have been advised to avoid going outside, stay off roads, and make arrangements for additional electricity and network failures.
Extensive Damage and Emergency Response
The power cut seems to be impacting residences mostly in the southern region, though officials report that the electricity supply was being slowly brought back.
Domestic outlets have stated that in some places roofs have been ripped off houses, and power lines and trees have been toppled by the gusts.
Across Wellington, a man was killed after being struck by a wooden fragment at a frequent walking route on earlier this week.
Also in the capital, a woman was swept into moving cars on a street by a powerful blast, in a event that was filmed in a popular vehicle recording.
Aircraft services to and from the metropolis have been suspended due to the gusts, whereas various routes and public facilities are shut down.
Meanwhile Canterbury officials have issued a crisis declaration, to assist recovery activities.
Work Stoppages Alongside Severe Weather
The wild winds on today occur while numerous of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
Yet the extreme weather has forced them to modify some of their plans, with some outdoor rallies relocated inside or cancelled.
Like conditions are affecting Australia, bringing a heatwave to the remote areas.
Agencies have issued burning restrictions for concern about wildfires.
