A red heavy rain alert for North Otago, Dunedin and coastal Clutha remains in force until 11pm.
A local state of emergency was declared overnight. Residents in low-lying parts of South Dunedin have been encouraged to evacuate.
There are 31 roads closed in Dunedin due to flooding, blocking or other unsafe conditions.
A full list is on the Dunedin City Council website. Matt Alley, Emergency Management Otago controller, speaks to Kathryn.
Flooding in Green Island, Dunedin Photo: Alysha Gibbs
