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
Fri 3 Jan
Showery conditions spread of over the North Island. 1. Southerly wind gusts 80+ km/h develop late evening for WN. 2. Southwest wind gusts 80+ km/h develop for AK and Far North at night.
Sat 4 Jan
1. Showery conditions for the lower half of the North Island with 25 mm for parts of WN and East NI. 2. Southerly wind gusts 80+ km/h for WN and coastal area from about Whanganui to Hawera eases from pm. Expect gusts 100+ km/h for WN city area morning hours. 3. Southwest wind gusts 80+ km/h for AK and Far North ease morning.
Sun 5 Jan
1. Southerly wind gusts 80+ km/h develop again for WN. 2. More rain spreads over the North Island. Totals could reach 25 mm for parts of WN.
Mon 6 Jan
1. Southerly wind gusts 80+ km/h for WN and coastal area from about Whanganui to Hawera, and for the Wairoa area. Winds ease later. 2. Areas of rain for East NI. Totals reach 25+ mm in the Wairoa area.
Tue 7 Jan
No significant weather.

South Island

Forecast DateWest Coast
MIDLND, SNL, HKTKA
Upper SI
MNL, MIDLND, Christchurch
Lower SI
MSL
See forecast details below
Fri 3 Jan
1. Rain spreads north of the South Island. Totals reach 25+ mm for parts of MSL/MNL north of about Balclutha, including Midland line east of about Avoca. Risk of thunderstorms/downpours for Marlborough pm/evening. Risk that parts of Marlborough and Kaikoura area reach 50 mm by late. 2. Areas of rain for West Coast. A few thunderstorms/downpours likely in the Buller area with a few places reaching 25+ mm. 3. Southwest wind gusts 80+ km/h for the Kaikoura Coast and Lyttleton area by evening.
Sat 4 Jan
Southwest wind gusts of 80+ km/h for Kaikoura Coast eases later.
Sun 5 Jan
Conference Call
1. Southwest winds increase again for the Kaikoura Coast and Lyttleton areas with gusts of 80+ km/h. 2. [Southeast waves/swell rise to 3.5 m for Kaikoura Coast, mainly north coast area from later pm], then ease again overnight. High tide time is around 10 pm.
Mon 6 Jan
Southwest wind gusts of 80+ km/h for Kaikoura Coast area eases.
Tue 7 Jan
1. Showery southwest winds spread north over the South Island. Some parts of Southland could reach 25 mm. 2. Southwest wind gusts 80+ km/h for a time for Southland south coast, Dunedin areas pm, and for Lyttleton in evening.

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.