UPDATE: Another severe weather watch has been issued for the Bay of Plenty on Saturday.
A complex trough of low pressure is forecast to cross New Zealand on Saturday,
bringing rain to the north and west of both Islands in a moist northerly flow.
The heaviest rainfalls are expected about Nelson (especially in the northwest),
Mt Taranaki and the Bay of Plenty and a Severe Weather Watch has been issued for
Earlier: Metservice has issued a severe weather watch for heavy rain tomorrow.
A moist northerly flow is expected to spread over the country tonight and Friday, with rain expected for many places, especially in the north and west of both islands.
Metservice said there was a possibility that rainfall accumulations could approach warning amounts (greater than 70mm in 12 hours) in the Bay of Plenty from Friday night until Saturday night or early Sunday morning.
People are advised to stay up to date with the latest forecasts in case any part of this Watch is upgraded to a Warning, or further areas are added.