Sea breeze convergences along the east of the South Island, with the addition of a front moving onto the eastern parts of Southland and Otago, produce showers this evening. There is a low risk of thunderstorms for inland parts of eastern Southland, Clutha, Dunedin and much of North Otago this evening, while the risk increases to moderate for Dunedin. These thunderstorms may be accompanied by heavy rain with intensities of 10 to 20 mm/h and possibly small hail. There is minimal risk of thunderstorms or significant convection elsewhere during this period.

A trough moves over Northland from the north during the morning and there is an associated low risk of thunderstorms for northern Northland. There is minimal risk of thunderstorms or significant convection elsewhere during this period.

Afternoon heating and sea breeze convergences set up over the upper and central North Island during the second half of Friday. There is a low risk of thunderstorms for Northland and inland areas of the central North Island mainly about the the ranges as indicated on the chart during afternoon and evening. However, the risk is considered moderate for western Northland where rain intensities could be 15 to 25 mm/h. There is minimal risk of thunderstorms or significant convection elsewhere during this period.