Intense gales hitting speeds of approximately 155km/h (96mph) have caused nearly 90,000 households lacking electricity and forced authorities to cancel over 100 air travel services, as reported by domestic outlets.
These gusts are affecting the complete southern region and lower areas of the North Island, according to the country's meteorological service.
The nation's agencies have announced infrequent severe gust advisories - the top caution category - in core zones encompassing these major districts.
Locals have been advised to avoid going outside, avoid travel, and get ready for more utility disruptions.
Broad Impact and Crisis Response
The power cut seems to be impacting residences mostly in the South Island, while agencies say that the electricity supply was being slowly brought back.
Regional news have reported that in various locations homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gusts.
Across Wellington, a man was killed after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a event that was captured in a popular vehicle recording.
Aircraft services entering and leaving the city have been halted because of the gusts, whereas some roads and libraries are shut down.
Simultaneously authorities in Canterbury have issued a crisis declaration, to support disaster response efforts.
Labor Protests Amid Extreme Weather
The wild winds on today come as tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "significant labor action", requesting improved salaries and workplace environments.
But the intense climate has forced them to change some of their plans, with several external protests relocated inside or cancelled.
Comparable winds are also sweeping the nearby nation, ushering in a heatwave to the nation's interior regions.
Authorities have declared burning restrictions for fear of wildfires.
