A north to northeasterly airflow gradually increases over New Zealand on Tuesday with a front pushing into western regions from evening.

Sunny areas and increasing cloud for the upper North Island, chance of a shower from afternoon then rain develops during the evening gradually spreading southwards. Rain moves into northern Northland overnight (perhaps more towards dawn on Wednesday) with heavy falls. The Waikato and Bay Of Plenty may be fairly cloudy from morning. North to northeasterly winds.

For most about the lower western North Island expect sunny areas and increasing cloud, rain moves in later in the evening. Taranaki sees cloudy skies from morning, chance of a light shower or two during the day then rain later in the evening, possibly heavy. Northerly winds for most, becoming gusty from afternoon about Taranaki.

Sunny areas and increasing high cloud along the east coast, spots of rain spreading from the west overnight. North to northwesterly winds pick up after midday. Mostly cloudy for Wellington with the chance of a shower, overnight rain. Breezy northerly winds.

Sunny areas and increasing high cloud about Nelson / Marlborough, chance spot of rain from afternoon then a high chance of rain later in the evening before easing overnight. Freshening north to northwesterly winds, brisk to strong about the Sounds overnight.

Thickening high cloud for Canterbury with a few spots of evening rain, freshening northeasterly winds. Mostly cloudy along the West Coast, rain develops in the afternoon as northeasterly winds freshen. Rain may be heavy for a time in the evening then easing overnight with winds easing.

Thick high cloud about Southland and Otago, any early morning showers clear (mainly about Southland) then in the evening expect some scattered rain for most before clearing overnight. Easterly winds, freshening about the Otago coast.