https://www.linz.govt.nz/sea/tides/tide-predictions LINZ tide predictions]. Download the predictions for th eyear ahead for the site nearest to you.
Tides4Fishing: Tide table and solunar charts for New Zealand. The site describes how tides are formed, currents and tides in rivers, and provides specific tables with the tidal coefficients for specific coastal sites. Download the year's table and plan your field trips.
NZ Tide TimesMaps of waves, wind and tides. Tide charts show the relative tide heights over the period of 9 days, with day and night as well as the current time with tidal status. A convenient chart shows the predicted tides for the next week, along with weather forecast, swell and direction.
Tides Chart: Simple graphics showing tides and weather forecast for many more local spots.
Land Information New Zealand