Here are the latest warnings by the government forecaster.  These were valid at 11:30pm Thursday.

Bay Of Plenty

Heavy Rain Warning, Areas Affected: Eastern Bay of Plenty In the 4 to 6 hours from 9pm Thursday, expect 70 to 90mm near the ranges with intensities peaking at 20 to 25mm per hour before midnight. Note that 25 to 40mm is expected near the coast east of Whakatane.

Rotorua

Heavy Rain Warning, Areas Affected: Eastern Bay of Plenty In the 4 to 6 hours from 9pm Thursday, expect 70 to 90mm near the ranges with intensities peaking at 20 to 25mm per hour before midnight. Note that 25 to 40mm is expected near the coast east of Whakatane.

Gisborne

Heavy Rain Warning, Areas Affected: Gisborne north of Ruatoria In the 6 hours from 9pm Thursday expect 50 to 70mm of rain with intensities peaking at 15 to 20mm per hour between about 11pm Thursday and 2am Friday.