GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 128 |
| Station name | Chatham Is. |
| Country | New Zealand |
| Time zone | 180E, GMT + 12hr 45m |
| Latitude (+ve N) | -43.95 |
| Longitude (+ve E) | -176.55 |
| Ocean | Pacific |
| Responsible country | New Zealand |
| Authority responsible for tide gauge | NZ Ministry of Civil Defence, PO Box 5143, Wellesley St, Auckland, New Zealand |
| GLOSS contact | New_Zealand |
| Committed to GLOSS | No |
| Operational | Yes |
| Location map |  |
| Instrumentation | |
| Float | No |
| Pressure | No |
| Bubbler | Yes |
| Acoustic | No |
| Radar | No |
| Data | |
| Digital data | Yes |
| Fast delivery data at UHSLC |   |
| High frequency data at UHSLC |  |
| Real-time data available | Yes |
| Real-time data transmitted to GLOSS Fast Centre |  |
| Benchmarks | |
| Tide gauge benchmarks | Upper of 3 brass pegs set in the sea wall near the root of the Waitangi wharf. |
| Benchmark relationships | Tide Gauge Zero (TGZ) = 4.65m below upper of 3 brass pegs TGZ = 4.08m below middle of 3 brass pegs TGZ = 3.54m below bottom of 3 brass pegs |
| Auxiliary benchmarks | Aux 1. Middle of 3 brass pegs set in the sea wall near the root of the Waitangi wharf Aux 2. Bottom of 3 brass pegs set in the sea wall near the root of the Waitangi wharf |
| Data at PSMSL | |
| Annual MSL (RLR) data | |
| Annual MSL (RLR) plot | |
| MSL method | Extended harmonic analysis |
| PSMSL code | 1920 |
| Other relevant codes | UHSLC 079 |
| Additional information | |
| Other relevant information | A gauge has recently been installed at this site for Tsunami Warning project. At this point in time it is not related to any datum. It is hoped to relate the gauge in the near future to datum. Data are transmitted to the Pacific Tsunami Warning Center in Hawaii. |
| Last updated | 1993-12-05 |
