GLOSS Station Handbook

Station information sheet

GLOSS number129
Station name


CountryNew Zealand
Time zone180E, GMT + 12hrs
Latitude (+ve N)-46.6
Longitude (+ve E)168.35
Observation period(s)1920-
Responsible countryNew Zealand
Authority responsible
for tide gauge
Southport N.Z. Limited, PO Box 1, Bluff, New Zealand
GLOSS contactNew_Zealand
Committed to GLOSSYes
Location mapView location map for GLOSS station Bluff
Digital dataYes
Additional parametersBarometric pressure
Data acquisition rateContinuous recording - adjusted to hourly heights manually
High frequency data at UHSLCDownload from UHSLC   Download documentation qa072a.dmt from UHSLC   Format documentation for UHSLC data
Real-time data availableYes
Additional parameters (real-time)Barometric pressure
Tide gauge benchmarksBluff Fundamental Benchmark, stainless steel pin in concrete under iron cover in grounds of Police Station, corner of Lee and Barrow Streets.
Benchmark relationshipsTide Gauge Zero (TGZ) = 8.620m below Bluff Fundamental Benchmark TGZ = 4.883m below War Memorial Benchmark
Auxiliary benchmarksAux 1 - War Memorial Benchmark, War Memorial, Marine Parade, copper pin in centre of bottom step, west side.
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Bluff
Annual MSL (RLR) plotView annual MSL (RLR) plot for Bluff
MSL methodExtended harmonic
PSMSL code213
Other relevant codesUHSLC 072
Additional information 
Other relevant informationThe old gauge is soon to be replaced. An analogue tide gauge using an ultrasonic sensor in a filtered stilling well was installed in 1989. It is not presently equipped to give data in computer compatible form. Record will be continuous and adjusted to hourly heights. Equipment was commissioned in 1990.
Nearest Met. stationInvercargill Airport
Last updated2002-12-11

Related BODC pages

Sea level portal      World Ocean Circulation Experiment (WOCE) — Sea  level
UK Tide Gauge Network     Climate Variability and Predictability (CLIVAR)
GLOSS project page  


Related external links

Global Sea Level Observing System (GLOSS)     Permanent Service for Mean Sea Level (PSMSL)
University of Hawai`i Sea Level Centre (UHSLC)  World Ocean Circulation Experiment (WOCE)


Permanent Service for Mean Sea Level (PSMSL) Global Sea Level Observing System (GLOSS) Station Handbook Intergovernmental Oceanographic Commission (IOC)