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 25 Jul
Sat 26 Jul
Sun 27 Jul
No significant weather.
Mon 28 Jul
Northeast wind gusts 80+ km/h develop for Far North, esp. about and north of Whangarei.
Tue 29 Jul
Conference Call
Conference Call
Conference Call
Conference Call
An active front moves onto the North Island. 1. Rain spreads across the North Island. [Totals reach 100 mm in many places about and north of a line Taranaki to Central Plateau to Murupara (BOP), esp. Far North, BOP, Central Plateau area, and Taranaki.] 2. Northerly wind gusts 100+ km/h for many places about and north of a line Palmerston North to Murupara (BOP). [This poses a risk to overhead lines for the Auckland Metro area and NIMT.] 3. [Northerly waves/swell pick up for BOP coast and peak around 5 m overnight - which could affect ECMT from about 147 km to 159 km. ] High tide is around 10 pm.

South Island

Forecast DateWest Coast
MIDLND, SNL, HKTKA
Upper SI
MNL, MIDLND, Christchurch
Lower SI
MSL
See forecast details below
Fri 25 Jul
Sat 26 Jul
Sun 27 Jul
No significant weather.
Mon 28 Jul
No significant weather.
Tue 29 Jul
An active front moves onto the South Island. 1. Rain spread to most places, but stays mostly dry to south. Totals 50 to 100 mm for most of West Coast, esp. inland Midland line west of Arthurs Pass, and for Buller Gorge area. Also, totals 25+ mm within about 20 km east of Arthurs Pass, and for MNL north of about Ward (Marlborough). 2. Northerly wind gusts reach 80+ km/h in places about and north of a line Christchurch to Hokitika, including Midland line.

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.