A heavy rain watch has been issued for Rotorua and Bay of Plenty as the active front causing flooding and slips in the South Island moves north.
MetService issued a yellow watch and said Bay of Plenty, from Rotorua eastwards, could expect periods of rain with heavy falls between 8pm Tuesday and 2pm Wednesday.
Rainfall amounts could approach warning criteria.
The active front over Westland is expected to move across the North Island tomorrow and connect with a low developing north of Northland as well as with a larger and deeper low developing just east of central New Zealand.