Issued at 7:25am 22/11/2025

Valid from 7:25am 22/11/2025 to 1:00am 23/11/2025

A weakening front lies over the northern South Island. There are light winds over much of the North Island, with the chance of sea breezes developing this afternoon. Sea breezes about Northland, Auckland, eastern Waikato, the Coromandel Peninsula, Bay of Plenty and parts of Gisborne/Tairawhiti and northern Hawke's Bay are expected to produce convection and there is a low risk of thunderstorms this afternoon and evening. For western parts of Northland, the risk of thunderstorms is moderate for a time during the afternoon and evening and these thunderstorms may be accompanied by localised heavy rain with intensities of 10 to 25 mm per hour. There is also a low risk of thunderstorms about inland areas of southern Marlborough and North Canterbury during the afternoon and evening. Elsewhere, the risk of thunderstorms or severe convection today is minimal.

Issued at 8:18pm 22/11/2025

Valid from 1:00am 23/11/2025 to 1:00pm 23/11/2025

A slow moving trough is expected to lie close to eastern coastal areas of the north of the North Island Sunday morning, and there is a low risk of thunderstorms developing on this trough and affecting eastern areas of Northland, Great Barrier Island, the north of the Coromandel Peninsula, and the eastern Bay of Plenty east of Opotiki. Also as temperatures warm up late morning, some convergence zones are expected to form over inland Bay of Plenty and inland areas of Gisborne/Tairawhiti and Hawke's Bay. There is a low risk of thunderstorms developing towards midday on these convergence zones. The risk of thunderstorms or severe convection over the rest of New Zealand is minimal.

Issued at 10:23am 22/11/2025

Valid from 1:00pm 23/11/2025 to 1:00am 24/11/2025

Light winds continue over the North Island and northern South Island during the afternoon and evening, with sea breezes is several places. A front is expected to move onto the southern South Island during the afternoon. Afternoon and evening convection is expected about several places and there is a low risk of thunderstorms about eastern Northland, eastern parts of the North Island and Marlborough. For inland Bay of Plenty, Gisborne/Tairawhiti and inland Hawke's Bay there is a moderate risk of thunderstorms during the afternoon and evening. These thunderstorms may bring localised heavy rain with intensities of 10 to 25 mm per hour and small hail. There is also a low risk of thunderstorms about eastern Otago during the afternoon and evening as the front passes over the area. For the rest of New Zealand, the risk of severe convection or thunderstorms is minimal.