Powerful gusts reaching speeds of up to 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and compelled authorities to cancel over 100 aircraft departures, as reported by regional news sources.
These gusts are influencing the complete southern region and lower areas of the northern region, per the country's meteorological service.
Officials in New Zealand have released uncommon red wind warnings - the most severe warning - in key areas such as Wellington and Canterbury.
Residents have been advised to stay indoors, refrain from journeys, and make arrangements for further utility disruptions.
Broad Damage and Crisis Measures
The power cut seems to be impacting homes mainly in the South Island, though agencies report that energy was being gradually reinstated.
Local media have indicated that in various locations structures have suffered roof damage, and trees and electricity poles have been toppled by the winds.
Across Wellington, a man was killed after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a female was pushed toward moving cars on a road by a powerful blast, in a event that was filmed in a popular vehicle recording.
Flights entering and leaving the urban area have been cancelled because of the gusts, while various routes and public facilities are shut down.
Meanwhile local leaders have declared a state of emergency, to assist disaster response efforts.
Strike Action Alongside Extreme Weather
The powerful gales on today come as many of teachers, doctors and other public workers are participating in what has been termed a "major walkout", demanding higher wages and enhanced employment terms.
However the severe conditions has pressured them to modify various scheduled activities, with some outdoor rallies relocated inside or called off.
Comparable winds are impacting the nearby nation, bringing a high-temperature event to the country's outback.
Authorities have announced fire bans for fear of forest fires.