Data



Data Notes



Extracted from Database

14 Oct 2019

NELSON

Station Information

Station ID: 787
Latitude: -41.2613
Longitude: 173.27278
Coastline code: 690
Station code: 71
Country: NEW ZEALAND
Time span of RLR data: 1956 – 2018
RLR completeness (%): 37
Time span of metric data: 1956 – 2018
Metric completeness (%): 40
Date of last update: 23 Jul 2019

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at NELSON.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at NELSON.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Research Quality Data from UHSLC station 77: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1993-07-12

Port Nelson 690/071 RLR(1987) is 10.5m below BM N1

Documentation added 2003-01-17

New data from John Hannah added 17/01/03 which supercedes old data. New data does not have any missing days information. Old data has been backed up.

Documentation added 2003-01-17

New data from John Hannah was for Auckland II, Dunedin II, Lyttelton II and Wellington II.

Documentation added 2005-10-17

There is a new John Hannah paper referring to New Zealand data for Wellington, Dunedin, Lyttelton and Auckland. The reference is: "An updated analysis of long-term sea level change in New Zealand." Geophysical Research Letters, V31, L03307, doi:10.1029/2003GL019166 (2004).

Documentation added 2008-10-01

Full dataset for Nelson 1984-2007 received from Glen Rowe at LINZ 01/10/08.

Documentation added 2010-10-18

From information received from Glen Rowe at Linz the datum history is as follows: Up to 1994 TGZ was 5.773m below N1 From 1994 TGZ is 5.775m below N1

Documentation added 2016-07-13

PSMSL has queried the apparent 'jump' in the Nelson dataset between the data for 2012/2013. However, enquiries by LINZ to the cause of this have been inconclusive.

Documentation added 2018-06-28

The Kaikoura earthquake at 23:02 on 13th November 2016 impacted on a number of stations in the central part of New Zealand. Because of this the hourly values for several stations from 14th November 00:00hrs have been adjusted by LINZ. For station Nelson the adjustment is -0.021m.

Data Authority

Land Information New Zealand
155 The Terrace
PO 5501
Wellington 6145