Severe gusts attaining speeds of as high as 155km/h (96mph) have resulted in approximately 90,000 homes lacking electricity and forced agencies to cancel more than 100 air travel services, based on domestic outlets.
These gusts are impacting the whole South Island and lower areas of the North Island, according to the national weather agency.
New Zealand authorities have issued rare severe gust advisories - the most severe warning - in key areas including Canterbury and Wellington.
People have been encouraged to avoid going outside, stay off roads, and prepare for further utility disruptions.
Extensive Impact and Emergency Measures
The power cut appears to be affecting residences mainly in the southern region, although officials state that power was being restored progressively.
Local media have indicated that in some places homes have lost their roofs, whereas utility poles and vegetation have been brought down by the winds.
Across Wellington, a man was lost his life after being struck by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a road by a powerful blast, in a event that was captured in a popular vehicle recording.
Aircraft services in and out of the urban area have been suspended as a result of the weather, whereas various routes and public facilities are shut down.
Simultaneously Canterbury officials have announced a state of emergency, to facilitate disaster response efforts.
Labor Protests Amid Severe Weather
The wild winds on this day coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been termed a "significant labor action", demanding higher wages and enhanced employment terms.
Yet the extreme weather has compelled them to modify certain arrangements, with several external protests shifted to interior venues or called off.
Like conditions are affecting the neighboring country, bringing a heatwave to the nation's interior regions.
Agencies have declared fire bans for apprehension regarding bushfires.
