Raw video: Cyclone Gita's damaging winds blow off part of house's roof in Westport

The first reports of property damage are beginning to come in as damaging winds from Cyclone Gita blew off part of a roof in Westport.

Footage taken by 1 NEWS reporter Lisa Davies shows firefighters attending the scene in Westport, attempting to secure part of a house's roof before Cyclone Gita's full fury is felt in the region.

Buller Electricity Ltd says power is currently out from its depot at Robertson St to Waimangaroa Bridge, including Nine Mile and back through Sergeants Hill, due to the wild weather.

Greymouth Mayor Tony Kokshoorn said the winds are starting to move in now and residents should prepare. Source: 1 NEWS

In Greymouth, the Coast Road SH6 from Westport to Greymouth has been closed due to flooding and strong winds.

Meanwhile, Christchurch Mayor Lianne Dalziel has declared a State of Emergency for Christchurch City, which includes Banks Peninsula, due to the impacts of ex-tropical Cyclone Gita.

Click here for 1 NEWS NOW's live Cylcone Gita updates.

The strong winds have begun to cause power outages and damage to properties as the cyclone moves in. Source: 1 NEWS