GLOSS Station Handbook

Station information sheet

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General                                  
GLOSS number55
Station name

Portland

CountryAustralia
Time zone150E, GMT + 10hrs
Latitude (+ve N)-38.34333
Longitude (+ve E)141.61333
OceanSouthern
Observation period(s)Analogue float gauge 1982-1993; Acoustic 1991-
Responsible countryAustralia
Authority responsible
for tide gauge
National Tidal Centre, Australia (see GLOSS Contact Points).
GLOSS contactAustralia
Committed to GLOSSYes
OperationalYes
Location mapView location map for GLOSS station Portland   View location map for GLOSS station Portland   View location map for GLOSS station Portland
Instrumentation 
FloatYes
PressureNo
BubblerNo
AcousticYes
RadarNo
Data
Digital dataYes
Additional parametersBarometric pressure, water/air temperature, wind speed and direction
Data acquisition rate6 minute interval
Real-time data availableYes
Additional parameters (real-time)Barometric pressure, water/air temperature, wind speed and direction
Benchmarks 
Tide gauge benchmarksPortland (PM) 390 / BM38-81 3D Brass pin in concrete at the northern end of the K S Anderson Wharf 3D 2.943m above the Australian Height Datum and 3.450m above Chart Datum.
Benchmark relationshipsZero of tide staff is 0.022m below Tide Gauge Zero (TGZ) and 0.507m below the Australian Height Datum TGZ is 3.426m below PM386. TGZ is 2.820m below PM298. Chart Datum is 0.014m below TGZ and 0.507m below the Australian Height Datum (AHD).
Auxiliary benchmarksPortland (PM) 386 Portland (PM) 387 (HSM) /1464-2H = 3.408m AHD Portland (PM) 298 Portland (PM) 378 (HSM) Portland (PM) 116 / GBM103 = datum for AHD heights = 8.662m AHD Portland (PM) 393 / P203-1H = Coastal Array; Primary BM = 3.517m AHD Portland (PM) 238 Portland (PM) 388 Portland (PM) 239 Portland (PM) 389 Portland (PM) 390 SEAFRAME Sensor BM = 2.918m AHD
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Portland
Annual MSL (RLR) plotView annual MSL (RLR) plot for Portland
MSL methodHourly means
PSMSL code1547
Other relevant codesNTF port no. 61410
Additional information 
Other relevant informationPSMSL also hold data from another gauge at Portland (PSMSL Code 680/232: 1982-1990).
Nearest Met. stationAdelaide Airport
Last updated2002-10-16
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