Standard port periods of observation

The following table indicates the years for which tidal observations have been analysed.

The results of the analysis of that data have been used to generate tide predictions for the period 1 July 2019 - 30 June 2020. 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 Port

Period of Observations

No. of Years

Auckland

2000 – 2018

19

Bluff

2000 – 2018

19

Dunedin

2000 – 2018

19

Gisborne

2004 – 2018

14

Lyttelton

2000 – 2018

18

Marsden Point

2000 – 2018

19

Napier

2000 – 2018

19

Nelson

2001 – 2018

18

Onehunga

2001 – 2016

16

Picton

2005 – 2008

4

Port Chalmers

2000 – 2018

19

Port Taranaki

2000 – 2018

18

Tauranga

2000 – 2018

18

Timaru

2002 – 2018

17

Wellington

2000 – 2018

19

Westport

1999 – 2012

11

Last Updated: 1 July 2019