Severe gales reaching speeds of as high as 155km/h (96mph) have caused nearly 90,000 homes experiencing outages and forced authorities to cancel over 100 aircraft departures, based on regional news sources.
These gusts are influencing the entire southern region and southern parts of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have released infrequent severe gust advisories - the most severe warning - in key areas such as Canterbury and Wellington.
Residents have been encouraged to avoid going outside, avoid travel, and prepare for more utility disruptions.
Extensive Impact and Crisis Response
The electricity loss is primarily influencing homes mainly in the South Island, although authorities say that energy was being gradually reinstated.
Local media have indicated that in some places roofs have been ripped off houses, while power lines and trees have been brought down by the winds.
Across Wellington, a individual was killed after being hit by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a road by a powerful blast, in a incident that was captured in a viral dashcam video.
Air travel to and from the urban area have been halted as a result of the winds, whereas various routes and public facilities are not operating.
Simultaneously local leaders have issued a crisis declaration, to support disaster response efforts.
Work Stoppages Amid Harsh Conditions
The wild winds on this day come as many of school staff, physicians and civil servants are engaged in what has been described as a "significant labor action", calling for improved salaries and workplace environments.
But the severe conditions has forced them to modify certain arrangements, with several external protests relocated inside or called off.
Comparable winds are affecting Australia, causing a heatwave to the country's outback.
Authorities have issued flame prohibitions for apprehension regarding forest fires.