Severe gusts reaching speeds of as high as 155km/h (96mph) have caused approximately 90,000 households without power and led authorities to cancel more than 100 air travel services, as reported by regional news sources.
The gales are impacting the whole southern region and lower areas of the northern region, according to the country's meteorological service.
Officials in New Zealand have announced infrequent high-level wind alerts - the top caution category - in central regions including Wellington and Canterbury.
Residents have been urged to stay indoors, avoid travel, and get ready for further electricity and network failures.
Widespread Impact and Emergency Measures
The electricity loss appears to be affecting residences mostly in the South Island, while authorities say that energy was being gradually reinstated.
Regional news have stated that in various locations structures have suffered roof damage, while utility poles and vegetation have been knocked down by the gales.
In Wellington, a man was killed after being impacted by a falling limb at a well-known hiking path on earlier this week.
Additionally in the city, a woman was swept into oncoming traffic on a street by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Air travel to and from the urban area have been suspended due to the gusts, whereas various routes and public facilities are also closed.
Simultaneously local leaders have issued a state of emergency, to assist emergency management operations.
Strike Action During Extreme Conditions
The wild winds on today come as numerous of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", calling for higher wages and enhanced employment terms.
Yet the severe conditions has compelled them to modify various scheduled activities, with several external protests relocated inside or cancelled.
Comparable winds are affecting the nearby nation, causing a heatwave to the nation's interior regions.
Authorities have announced flame prohibitions for apprehension regarding wildfires.
