| General | |
| GLOSS number | 156 |
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| Station name | Tofino |
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| Country | Canada |
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| Time zone | 120W, GMT - 8hrs |
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| Latitude (+ve N) | 49.15 |
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| Longitude (+ve E) | -125.91666 |
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| Ocean | Pacific |
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| Observation period(s) | 1910- |
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| Responsible country | Canada |
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Authority responsible
for tide gauge | Mr. G.H. Eaton, Canadian Hydrographic Service, Institute of Ocean Sciences, P.O. Box 6000, Sidney, British Columbia, V8L 4B2, |
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| GLOSS contact | Canada |
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| Committed to GLOSS | Yes |
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| Operational | Yes |
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| Location map |  |
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| Instrumentation | |
| Float | Yes |
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| Pressure | No |
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| Bubbler | Yes |
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| Acoustic | No |
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| Radar | No |
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| Data | |
| Digital data | Yes |
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| Data acquisition rate | Both the float/stilling well system and the pneumatic bubbler system have digital data loggers (Sutron) |
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| High frequency data at BODC |   |
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| High frequency data at UHSLC |  |
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| Real-time data available | No |
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| Benchmarks | |
| Tide gauge benchmarks | Controlling benchmark: BM 7,1971 |
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| Benchmark relationships | BM 7,1971 is 5.191m above chart datum
BM 7,1971 is 3.096m above geodetic datum
|
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| Auxiliary benchmarks | BM 3, 1958 elevation 4.036m above chart datum
BM 6, 1967 elevation 22.398m above chart datum
BM 78C089 elevation 4.671m above chart datum
BM 8, 1971 elevation 8.608m above chart datum
|
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| Data at PSMSL | |
| Annual MSL (RLR) data | |
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| Annual MSL (RLR) plot |  |
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| MSL method | average of hourly heights |
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| PSMSL code | 822/116 |
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| Other relevant codes | UHSLC 542 |
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| Additional information | |
| Other relevant information | Water level information is downloaded daily from one gauge and twice a week for the other. Gauge is tied to controlling benchmarks on an annual basis. Vertical control is also maintained by sight gauge readings. Data available at http://www.waterlevels.gc.ca, http://www.meds-sdmm.dfo-mpo.gc.ca/meds/Databases/TWL/TWL_inventory_e.htm and http://www.meds-sdmm.dfo-mpo.gc.ca/meds/prog_nat/benchmark/public/default_e.as |
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| Last updated | 2002-12-11 |
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