Powerful gusts hitting speeds of approximately 155km/h (96mph) have resulted in around 90,000 households experiencing outages and led officials to call off in excess of 100 flights, according to domestic outlets.
The gales are affecting the complete southern region and southern parts of the northern region, according to the weather forecasting body.
Officials in New Zealand have announced uncommon high-level wind alerts - the highest alert level - in key areas encompassing Canterbury and Wellington.
People have been encouraged to avoid going outside, avoid travel, and get ready for more power and communication outages.
Extensive Impact and Crisis Measures
This outage seems to be impacting households predominantly in the southern region, while agencies report that power was being slowly brought back.
Local media have reported that in some places roofs have been ripped off houses, and power lines and trees have been toppled by the winds.
Across Wellington, a man was fatally injured after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was swept into moving cars on a thoroughfare by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Air travel entering and leaving the metropolis have been cancelled as a result of the gusts, while some roads and libraries are shut down.
Simultaneously local leaders have issued a emergency situation, to assist emergency management operations.
Strike Action Amid Severe Weather
The powerful gales on today occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been called a "significant labor action", calling for better pay and working conditions.
But the extreme weather has forced them to alter certain arrangements, with various open-air gatherings relocated inside or called off.
Similar gusts are also sweeping Australia, ushering in a period of extreme heat to the remote areas.
Authorities have announced flame prohibitions for fear of forest fires.
