Heavy rain has caused slips, rising rivers and road closures in the North Island, and homes have been flooded in Auckland, Waikato, the Coromandel.
Dozens of people left low-lying areas in Whanganui and Rangitikei districts on Tuesday night as the areas declared states of emergency and prepared for significant flooding.
Read a summary of what you need to know or follow RNZ's live blog for the latest updates as they happen.
Are you being affected by the wet weather? If it's safe for you to do so, you can email photos and video to RNZ at iwitness@radionz.co.nz. Please include your contact details if you are willing to speak to one of our reporters.