Severe gusts attaining speeds of approximately 155km/h (96mph) have resulted in approximately 90,000 households experiencing outages and compelled agencies to halt more than 100 flights, based on regional news sources.
The gales are influencing the complete southern region and lower areas of the North Island, according to the country's meteorological service.
New Zealand authorities have released rare red wind warnings - the top caution category - in key areas such as these major districts.
Residents have been urged to remain inside, stay off roads, and make arrangements for more utility disruptions.
Broad Impact and Emergency Measures
This outage appears to be affecting households mainly in the South Island, although officials say that the electricity supply was being gradually reinstated.
Regional news have stated that in various locations roofs have been ripped off houses, and trees and electricity poles have been knocked down by the gusts.
Across Wellington, a man was killed after being impacted by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was swept into moving cars on a road by a strong gust of wind, in a incident that was filmed in a popular vehicle recording.
Air travel entering and leaving the city have been halted because of the gusts, and some roads and libraries are not operating.
Meanwhile Canterbury officials have announced a crisis declaration, to assist emergency management operations.
Strike Action Alongside Severe Conditions
The wild winds on today coincide with numerous of educators, medical professionals and government employees take part in what has been called a "mega strike", calling for better pay and working conditions.
Yet the intense climate has compelled them to modify certain arrangements, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are affecting Australia, ushering in a period of extreme heat to the country's outback.
Officials have issued burning restrictions for apprehension regarding wildfires.
