Powerful gusts attaining velocities of up to 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and led agencies to cancel over 100 aircraft departures, based on domestic outlets.
The gales are influencing the whole South Island and lower areas of the northern region, according to the country's meteorological service.
The nation's agencies have announced uncommon severe gust advisories - the highest alert level - in central regions including Canterbury and Wellington.
People have been urged to remain inside, stay off roads, and make arrangements for further utility disruptions.
Broad Impact and Emergency Measures
This outage seems to be impacting residences mainly in the South Island, though authorities say that energy was being gradually reinstated.
Local media have indicated that in some places structures have suffered roof damage, and power lines and trees have been brought down by the gusts.
In Wellington, a individual was killed after being hit by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a individual was swept into moving cars on a road by a intensive burst, in a incident that was recorded in a viral dashcam video.
Flights entering and leaving the urban area have been halted as a result of the gusts, and various routes and public facilities are shut down.
Simultaneously authorities in Canterbury have announced a crisis declaration, to assist disaster response efforts.
Strike Action During Extreme Weather
The wild winds on this day coincide with many of teachers, doctors and other public workers are engaged in what has been described as a "mega strike", demanding improved salaries and workplace environments.
Yet the extreme weather has forced them to alter some of their plans, with some outdoor rallies moved indoors or called off.
Similar gusts are impacting Australia, causing a period of extreme heat to the nation's interior regions.
Authorities have announced flame prohibitions for apprehension regarding bushfires.
