Media Weather Reports
Fencepost - excellent options (*) require free registration with personal details - provincial & general forecasts:
2 day, 12 day*, map*, climate* & seasonal*

Herald weather - MetService base

TV One Weather includes Fly-by video, marine & warnings
Centres incl. Christchurch
mountain
Latest chart - per day 6am, noon & 6pm
Latest IR Sat
Latest radar: AK, WN, CH

INL's Stuff - The Press, etc.

Weather Maps
Fencepost's forecast 00/12 (Blue Skies)

MetService have done a major revision of their web site. It has really good maps.

NZ MetService
MetService have done a major revision of their web site. It looks really good ... go straight to it for maps, obs, and forecasts.

BOM
Excellent BOM
Latest analysis
MSL 0000 prognosis
MSLP 1200 prognosis

BOM Polar MSL Analysis Chart
Polar NZ West 00Z
Polar NZ East 00Z
Polar NZ West 12Z
Polar NZ East 12Z

Portal Weather ( Steve's pick ) includes overseas, i.e. what to pack
The weather, past, present and future, in nearly every town on earth e.g. list of New Zealand locations. There are many similar sites around but this one, wunderground.com, seems to tap into the best sources and presents it very well.
Christchurch 93780
Christchurch 93781
Aus / NZ maps of various weather parameters.

Yahoo Christchurch & other places
Images for NZ & Aussie - index

Christchurch (or elsewhere) intelligent effort by CNN.

Excellent diversions & forecasts are provided by the BBC: ... Australasia, Ch Int'l & Ch NZ

weatherzone.com.au
satellite view
synoptic chart