Standard port periods of observation

Find the period over which tidal observations were analysed to produce our tide predictions.

The following table indicates the years for which tidal observations were obtained. The results of the analysis of that data have been used to generate the following predictions. The number of years of data analysed is also shown. Any difference between the Period of observations and Number of years analysed indicates data missing for one or more years.

Standard portPeriod of observationsNumber of years
Auckland2006 – 202419
Bluff2000 – 202419
Dunedin2006 – 202419
Gisborne2004 – 202418
Lyttelton2005 – 202419
Marsden Point2005 – 202419
Napier2006 – 202419
Nelson2004 – 202419
Onehunga2004 – 202419
Picton2005 – 202411
Port Chalmers2006 – 202419
Port Taranaki2006 – 202419
Tauranga2005 – 202419
Timaru2006 – 202419
Wellington2006 – 202419
Westport2015 – 20249
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