Pōhara Valley Road Photo: Tasman District Council / Facebook
A 'red' MetService warning is in place for Buller and Westland, and a state of emergency has been declared in Westland.
Further north, orange level warnings are in place for the Tasman, Marlborough and Nelson regions.
Flooding in Golden Bay is leaving some residents stranded, as roads become impassable, and there is concern for river levels once high tide arrives this afternoon.
Collingwood has had 100mm of rain in the last 5 hours, with up to 30mm per hour.
Kathryn hears more about the flooding in Golden Bay from Wayne Langford, a farmer in Takaka.
