The wild weather has closed roads closed, flooded buildings and left people without power in Wellington.
The Paekakariki Hill Rd is closed due to fallen trees, while Grays Rd near Porirua is closed because of flooding.
In Lower Hutt, State Highway 58 Haywards is down to one lane due to a slip.
Fire and Emergency says it was called out to 18 incidents around the region overnight.
Shift manager Murray Dunbar said a couple of buildings had their roofs flapping in the wind, but most callouts were due to flooding.