Severe gusts hitting velocities of up to 155km/h (96mph) have caused nearly 90,000 homes without power and compelled agencies to halt more than 100 aircraft departures, based on domestic outlets.
The gales are influencing the entire South Island and southern parts of the North Island, per the country's meteorological service.
New Zealand authorities have announced uncommon high-level wind alerts - the highest alert level - in key areas including these major districts.
People have been advised to stay indoors, avoid travel, and make arrangements for more utility disruptions.
Extensive Impact and Crisis Measures
The electricity loss is primarily influencing homes predominantly in the southern region, although agencies report that the electricity supply was being restored progressively.
Local media have reported that in some places structures have suffered roof damage, while trees and electricity poles have been toppled by the gusts.
In Wellington, a individual was fatally injured after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was swept into approaching vehicles on a road by a intensive burst, in a moment that was recorded in a viral dashcam video.
Flights in and out of the urban area have been cancelled because of the winds, and some roads and libraries are not operating.
Meanwhile Canterbury officials have declared a state of emergency, to facilitate recovery activities.
Strike Action Amid Severe Weather
These intense gusts on today come as many of school staff, physicians and civil servants are participating in what has been described as a "major walkout", demanding better pay and working conditions.
But the extreme weather has forced them to modify various scheduled activities, with some outdoor rallies shifted to interior venues or called off.
Like conditions are affecting Australia, bringing a heatwave to the country's outback.
Agencies have issued flame prohibitions for apprehension regarding forest fires.
