A front moves northwards over the South Island today reaching the western North Island later this evening, northwesterlies precede the front then tending west to northwest in behind. A southwesterly airflow for New Zealand on Tuesday then northwesterlies strengthen on Wednesday.

Blue – Rain spreads northwards along the West Coast bringing heavy falls and possible thunderstorms, reaching the western North Island later this evening / overnight.

Purple – West to northwesterly winds becoming strong about the far south later in the evening / overnight.

Blue – Any early heavy showers clear the upper North Island.

Purple – Gusty west to southwesterly winds about coastal parts of the lower South Island, easing from evening.