GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 119 |
| Station name | Yap, Caroline Is. |
| Country | Fed. Micronesia |
| Time zone | 135E, GMT + 9hrs |
| Latitude (+ve N) | 9.51666 |
| Longitude (+ve E) | 138.13333 |
| Ocean | Pacific |
| Observation period(s) | 1974- |
| Responsible country | U.S.A. |
| Authority responsible for tide gauge | Dr. M. Merrifield, University of Hawaii, Dept. of Oceanography, 1000 Pope Road MSB 307, Honolulu, Hawaii 96822, U.S.A. |
| GLOSS contact | Micronesia |
| Committed to GLOSS | Yes |
| Operational | Yes |
| Instrumentation | |
| Float | Yes |
| Pressure | No |
| Bubbler | No |
| Acoustic | No |
| Radar | No |
| Data | |
| Digital data | Yes |
| Data acquisition rate | 15 minutes, filtered to hourly values |
| Fast delivery data at UHSLC | |
| High frequency data at BODC | |
| High frequency data at UHSLC | |
| Real-time data available | Yes |
| Real-time data transmitted to GLOSS Fast Centre | |
| Benchmarks | |
| Tide gauge benchmarks | UH 1: SS disk, no stamp, set in epoxy at SW end of the house near the entrance to the tide house (established Nov 1984) |
| Auxiliary benchmarks | UH 2: SS disk, no stamp, set in epoxy at SSW corner of the bridge between Mobile fuel dump and the town (established Nov 1984) UH 3: SS disk, no stamp, set in epoxy 15 ft from NW corner of the supply building (established Nov 1984) USGS 7: standard disk stamped 'NO 7, 1951' set in NW corner of 13x25x4ft high concrete platform to gas pump shelter at N end of Mobile Gas Co. |
| Data at PSMSL | |
| Annual MSL (RLR) data | |
| Annual MSL (RLR) plot | |
| MSL method | average of daily values |
| PSMSL code | 710/011 |
| Other relevant codes | UHSLC 008 |
| Additional information | |
| Other relevant information | Additional benchmarks: USGS 5 standard disk, stamped 'NO 5, 1951' set in concrete porch to comm. Building, 120yd NW of DA office at Yaptown USGS 3 standard disk, stamped 'NO 3, 1951' on 7th step from bottom on S set of steps on E side of raised ground of Yap Hospital USGS 2 standard disk, stamped 'NO 2, 1951' on 5th step from bottom of former shinto shrine E of Yaptown |
| Last updated | 1992-09-26 |
Related BODC pages
| Sea level portal | World Ocean Circulation Experiment (WOCE) — Sea level | |
| UK Tide Gauge Network | Climate Variability and Predictability (CLIVAR) | |
| GLOSS project page |
Related external links
| Global Sea Level Observing System (GLOSS) | Permanent Service for Mean Sea Level (PSMSL) | |
| University of Hawai`i Sea Level Centre (UHSLC) | World Ocean Circulation Experiment (WOCE) |
![]() |
![]() |
![]() |


