GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 129 |
| Station name | Bluff |
| Country | New Zealand |
| Time zone | 180E, GMT + 12hrs |
| Latitude (+ve N) | -46.6 |
| Longitude (+ve E) | 168.35 |
| Ocean | Pacific |
| Observation period(s) | 1920- |
| Responsible country | New Zealand |
| Authority responsible for tide gauge | Southport N.Z. Limited, PO Box 1, Bluff, New Zealand |
| GLOSS contact | New_Zealand |
| Committed to GLOSS | Yes |
| Operational | Yes |
| Location map |  |
| Instrumentation | |
| Float | No |
| Pressure | No |
| Bubbler | No |
| Acoustic | Yes |
| Radar | No |
| Data | |
| Digital data | Yes |
| Additional parameters | Barometric pressure |
| Data acquisition rate | Continuous recording - adjusted to hourly heights manually |
| High frequency data at UHSLC |    |
| Real-time data available | Yes |
| Additional parameters (real-time) | Barometric pressure |
| Benchmarks | |
| Tide gauge benchmarks | Bluff Fundamental Benchmark, stainless steel pin in concrete under iron cover in grounds of Police Station, corner of Lee and Barrow Streets. |
| Benchmark relationships | Tide Gauge Zero (TGZ) = 8.620m below Bluff Fundamental Benchmark TGZ = 4.883m below War Memorial Benchmark |
| Auxiliary benchmarks | Aux 1 - War Memorial Benchmark, War Memorial, Marine Parade, copper pin in centre of bottom step, west side. |
| Data at PSMSL | |
| Annual MSL (RLR) data | |
| Annual MSL (RLR) plot |  |
| MSL method | Extended harmonic |
| PSMSL code | 213 |
| Other relevant codes | UHSLC 072 |
| Additional information | |
| Other relevant information | The 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. station | Invercargill Airport |
| Last updated | 2002-12-11 |
