A small but intense area of low pressure forms on a frontal zone then moves over the North Island today coming out of the Tasman Sea, meanwhile a southwesterly airflow lies over the South Island.
Northland, Auckland, Waikato & Bay Of Plenty
Rain (possibly heavy, more so about Waikato) then easing to showers late afternoon as breezy northwesterly winds change fresh southwest.
Western North Island (including Central North Island)
Rain, becoming heavy in the morning then easing from afternoon as southwesterlies gradually freshen.
Eastern North Island
Patchy rain about Wairarapa, becoming heavy by midday then easing during the afternoon as southwesterlies freshen. High cloud further north, may be a spit then rain develops in the afternoon as southwesterlies strengthen, rain clears in the evening.
Patchy rain, clearing around midday. Cloud breaks later in the day. Light winds.
Marlborough & Nelson
A mix of sun and cloud, may be an isolated shower in the afternoon / evening (mainly inland) about Marlborough. Light winds for Marlborough, southwester lies for Nelson.
Mostly sunny, cloud builds in the afternoon especially inland as light winds tend southerly for a time then easterly. A few isolated showers come with these clouds, once again mainly inland about the foothills, a few may spread to the coast in the evening otherwise staying mainly dry there. Showers clear at night.
Cloudy areas and occasional showers, southwesterly winds.
Southland & Otago
Occasional showers about Southland, longer dry spells from midday. Otago has a dry start with some sun then an isolated shower or two from afternoon. West to southwesterly winds.
By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz