North Island

Forecast DateFar North
NAL
AK
NIMT, ECMT, Auckland
BOP
ECMT
West NI
NIMT, MNPL
East NI
PNGL, WRAPA
WN
NIMT, WRAPA, Wellington
See forecast details below
Tue 31 Dec
1. More rain over the North Island, especially in the south and east. Totals 25+ mm in many parts of East NI, WN, and West NI from Taranaki to the Central Plateau to Marton. 2. Southerly wind gusts 80+ km/h for WN, south Taranaki coast from about Whanganui to Hawera, and the Wairoa area. 3. Southwest wind gusts rise to 80+ km/h for AK and Far North, esp. south of Helensville, for a time PM hours.
Wed 1 Jan
No significant weather.
Thu 2 Jan
No significant weather.
Fri 3 Jan
Showers spread over the North Island. Rainfall totals reach 25+ mm in parts of Taranaki, Central Plateau and Hawkes Bay, with risk of thunderstorms/downpours.
Sat 4 Jan
1. Strong south to southwest winds spread over the North Island. Gusts reach 80+ km/h for the Far North, AK, Taranaki region to about Marton, WN, and East NI about and north of Wairoa. 2. More rain/showers across the North Island, with 25+ mm for parts of West NI south of Taranaki to Central Plateau, WN, and East NI.

South Island

Forecast DateWest Coast
MIDLND, SNL, HKTKA
Upper SI
MNL, MIDLND, Christchurch
Lower SI
MSL
See forecast details below
Tue 31 Dec
Showery windy conditions on the MNL, with southwest gusts of 80+ km/h for Lyttelton and Kaikoura Coast areas, gradually easing through the day.
Wed 1 Jan
No significant weather.
Thu 2 Jan
Thunderstorms/downpours with 25+ mm possible for inland Southland PM hours.
Fri 3 Jan
Strong, showery southerlies spread over the South Island. 1. Rainfall totals of 25-50+ mm with thunderstorms/downpours for West Coast, Upper SI, and Lower SI north of about Balclutha. 2. Southerly wind gusts reach 80 km/h about Lyttelton and Kaikoura Coast areas
Sat 4 Jan
1. Southerly wind gusts of 80+ km/h about Lyttelton and Kaikoura Coast areas, easing late. 2. Rain about the Kaikoura area eases early, but a further 25+ mm before clearing later.

Colour Key

Non-impacting weather expected
Active weather - but with minimal impact expected (see comments). Note that -active weather- is based on 24-hour rainfall totals >25 mm, wind gusts >80 km/h, and snow accumulation >5 cm etc.
Significant weather expected - potential for impacts on network at some locations (see underlined comments). Additional email updates to be issued with focus on high risk areas.
Significant weather expected - potential for widespread impacts on network (see underlined bold comments). Additional email updates to be issued with focus on high risk areas.