South Island Lightning Tracker
Live java lightning tracking for the Greater Canterbury region, based in Christchurch.

Snow-Forecast.com
Based on data from NCEP, it provides multi-level forecasts for the New Zealand ski spots.

Severe Convection/ Thunderstorm Outlook
MetService providing thunderstorm forecasting and discussion for the public and emergency services.

North Island Lightning Tracker
Live java lightning tracking for the Upper-North Island region, based in Auckland.

NIWA - National Climate Centre
The NCC provides regular public information on current climate conditions across New Zealand including soil moisture and river flows, and outlooks for coming seasons.

New Zealand Soundings
Weather balloon ascents are under-taken daily at 12.00 and 00.00 NZST from Whenuapai Airbase, Paraparaumu and Invercargill Airport. Updated around 3-4 hours later.

Nelson Forecasting
A non-profit detailed forecast for Nelson. Weather observations for the Nelson area and weather facts. Note: forecast may age.

National Rural Fire Authority Weather
Maps showing fire danger class, rate of spread and potential intensity. 'Raw data' page gives an extensive page of observations.

Mean Sea Level Pressure Maps for Australia and New Zealand
Produced every day at 00:00 UTC (12:00 NZST) by the Centre for Ocean-Land-Atmosphere Studies.

Landcare Research, NOAA Satellite Passes
High-resolution satellite images from the NOAA satellites, four passes daily and an extensive archive available.