Intense winds hitting speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 properties lacking electricity and compelled officials to halt more than 100 flights, based on local media.
The gales are affecting the whole southern region and southern sections of the North Island, as stated by the national weather agency.
Officials in New Zealand have released uncommon high-level wind alerts - the most severe warning - in core zones including Canterbury and Wellington.
Residents have been advised to remain inside, avoid travel, and prepare for additional electricity and network failures.
Widespread Destruction and Crisis Measures
The power cut appears to be affecting residences mostly in the southern region, though agencies say that energy was being slowly brought back.
Local media have indicated that in some places structures have suffered roof damage, and power lines and trees have been brought down by the gales.
Within the capital, a person was fatally injured after being hit by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a street by a intensive burst, in a event that was filmed in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been cancelled due to the gusts, and certain highways and community centers are not operating.
At the same time Canterbury officials have announced a emergency situation, to support recovery activities.
Work Stoppages Amid Severe Conditions
The wild winds on today come as tens of thousands of educators, medical professionals and government employees are participating in what has been called a "significant labor action", requesting higher wages and enhanced employment terms.
However the severe conditions has forced them to alter some of their plans, with various open-air gatherings relocated inside or abandoned.
Similar gusts are impacting the neighboring country, bringing a heatwave to the nation's interior regions.
Agencies have issued fire bans for apprehension regarding wildfires.
