NZ has another deep low moving in this week bringing a burst of wind and rain then colder air. It will drive in some big waves on the western side of both islands too with dangerous marine conditions for a time late this week. The set up means the North Island and western South Island are in for much more rain in the days ahead.
Strong northerlies lie over the country today with a front pushing into the lower South Island this morning, reaching the western North Island in the evening. This front passes off to the east of the North Island on Wednesday then another front moves onto western New Zealand during the evening and overnight.
More deep low pressure is about to influence NZ's weather pattern this week bringing more rain, more wind and more squally showers off the Tasman Sea. There may be a few isolated thunderstorms in the west and north later this week too as we transition from milder winds (that are about to develop) and the colder change on the way end of week.
A colder change moves over the North Island while a large high expands over the South Island and into the North Island. This will help clear rain and showers away from northern NZ as the day goes on. The high also means much colder nights with some of the heaviest frosts of the year tonight in some South Island regions.
Cold southerlies spread northwards over the South Island today, moving onto the lower North Island this afternoon / evening. Northland, Auckland, Waikato & Bay Of Plenty Cloudy areas and the odd shower, more persistent from afternoon then overnight rain. Northwesterly winds. Highs: 14-17