The following areas have been issued with heavy rain watches and may experience heavy rain, localised downpours, and thunderstorms:
Northland / Tai Tokerau
From 5am to 10pm on Saturday
Auckland / Tāmaki Makaurau
From 5am to 10pm on Saturday
Coromandel Peninsula / Waiaua
From 5am to 10pm on Saturday
Waikato
(Includes Waitomo District)
From 5am to 10pm on Saturday
Bay of Plenty / Te Moana a Toi
From 8am to 10pm on Saturday
Rotorua and Taupō
From 8am to 10pm on Saturday.