| General | |
| GLOSS number | 124 |
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| Station name | Norfolk Is. |
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| Country | Australia |
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| Time zone | 172.5E,GMT + 11.5hrs |
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| Latitude (+ve N) | -29.06666 |
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| Longitude (+ve E) | 167.95 |
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| Ocean | Pacific |
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| Observation period(s) | 1985- |
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| Responsible country | Australia |
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Authority responsible
for tide gauge | Manly Hydraulics Laboratory, 110B King Street, Manly Vale, NSW 2093, Australia |
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| GLOSS contact | Australia |
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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 | No |
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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 | 15 minute samples |
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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 | BM 1: the top of a concrete block protruding about 0.3m above ground level and marked ZNI. It is surrounded by a rectangular concrete collar which shows latitude, longitude & height in feet above MSL. |
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| Benchmark relationships | Tide Gauge Zero (TGZ) = 5.432m below BM 1 (1965 onwards) |
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| Auxiliary benchmarks | BMR 8290 3092
NMV/C/443: small piece of blue metal gravel embedded in and protruding slightly above the concrete top of the sea wall.
NMV/C/444 & NMV/C/445: centres of triangles carved in flat concrete on the top of the sea wall of the jetty, with their numbers next to them.
TRIG 'M': drill hole in a damaged concrete block.
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| Data at PSMSL | |
| Annual MSL (RLR) data | Yes (Monthly metric data only available) |
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| MSL method | Hourly means |
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| PSMSL code | 680/091 |
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| Other relevant codes | NTF port no. 57700, UHSLC 062 |
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| Additional information | |
| Other relevant information | Float/stilling well analogue gauge 1965-1985.
Geocentric measurement: Precise ephemeris, single point doppler fix ('M') in 1977.
PSMSL also hold data from another gauge at Norfolk Island (PSMSL Code 680/092 1965-1966, 1969-1987).
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| Nearest Met. station | Norfolk Island Airport |
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| Last updated | 2002-10-16 |
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