Severe gusts reaching velocities of as high as 155km/h (96mph) have left nearly 90,000 homes lacking electricity and forced officials to cancel in excess of 100 flights, according to local media.
The winds are influencing the complete South Island and lower areas of the northern region, according to the national weather agency.
The nation's agencies have announced infrequent high-level wind alerts - the top caution category - in core zones including these major districts.
People have been urged to remain inside, stay off roads, and get ready for additional electricity and network failures.
Broad Damage and Crisis Response
The electricity loss appears to be affecting households mainly in the southern region, though agencies report that energy was being gradually reinstated.
Local media have stated that in various locations structures have suffered roof damage, and utility poles and vegetation have been brought down by the gales.
Across Wellington, a individual was fatally injured after being hit by a tree branch at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a street by a intensive burst, in a event that was filmed in a viral dashcam video.
Flights in and out of the metropolis have been suspended because of the winds, whereas some roads and libraries are not operating.
At the same time authorities in Canterbury have announced a state of emergency, to assist emergency management operations.
Work Stoppages Alongside Extreme Conditions
The wild winds on Thursday occur while numerous of teachers, doctors and other public workers are participating in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
But the severe conditions has pressured them to modify certain arrangements, with some outdoor rallies relocated inside or abandoned.
Similar gusts are also sweeping the neighboring country, causing a heatwave to the country's outback.
Authorities have announced flame prohibitions for concern about forest fires.
