GLOSS Station Handbook – Midway Is, Hawaiian Is.
The GLOSS Station Handbook is currently being re-designed and upgraded.
Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click column headings to sort the station list table. Click the GLOSS number buttons to view the station information.
Station information
| General | |
|---|---|
| Gloss number | 106 |
| Station name | Midway Is, Hawaiian Is. |
| Country | U.S.A. |
| Time zone | 165W, GMT - 11hrs |
| Latitude (+ve N) | 28.21666 |
| Longitude (+ve E) | -177.36666 |
| Ocean | Pacific |
| Observation periods | 1947-, being upgraded |
| Responsible country | U.S.A. |
| Authority responsible for tide gauge | NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA |
| GLOSS contact | USA |
| Committed to GLOSS | Yes |
| Operational | Yes |
| Location map | |
| Instrumentation | |
| Float | Yes |
| Pressure | No |
| Bubbler | Yes |
| Acoustic | Yes |
| Radar | No |
| Data | |
| Digital data | Yes |
| Additional parameters | Sea surface temperature, density, barometric pressure |
| Data acquisition rate | Digital gauge: 6 minute interval (after 1975) Analog gauge: hourly heights (before 1975) |
| Fast delivery data at UHSLC | Data 050 File format |
| High frequency data at BODC | Data 106 Document 57393 |
| High frequency data at UHSLC | Data 050a Document 050a File format |
| Data held at national organisation | Yes |
| Real-time data available | Yes |
| Real-time data transmitted to GLOSS Fast Centre | |
| Additional parameters (real-time) | None |
| Benchmarks | |
| Tide gauge benchmark | Benchmark 21(1959) is the primary benchmark (PBM) stamped '21 1959' set in a concrete manhole structure at the north east corner of Inner Harbor Boat Basin. |
| Benchmark relationships | TGBM is 10.64ft above Tide Gauge Zero (Station Datum) NOAA Chart Datum (MLLW) is 2.62ft above Station Datum Mean Sea Level (1960-1978) is 3.27ft above Station Datum |
| Auxiliary benchmarks | 9 additonal benchmarks are levelled to the TGBM and the Tide Station on a yearly basis (BM 2, BM 3, BM 18, BM 25, BM A, BM 23, BM 22, BM 20, BM 19). |
| Data at PSMSL | |
| Annual MSL (RLR) data | RLR 523 |
| Annual MSL (RLR) plot | |
| PSMSL code | 523 |
| Other relevant codes | UHSLC 050 |
| Additional information | |
| Last updated | 5 December 1993 |
Location map
Midway Is, Hawaiian Is., U.S.A.
Real time data plot
Midway Is, Hawaiian Is., U.S.A.
