| Abbreviation | Definition |
|---|---|
| WEPOCS | Western Equatorial Pacific Ocean Climate Studies |
| WESP | Water And Energy Simulations And Prediction |
| WESTRAX | Western Tropical Atlantic Experiment |
| WET | Water Education For Teachers |
| WET | Water Education Technology |
| WET | Water Efficiency Trials |
| WET | Wetland Evaluation Technique |
| WET | Whole Effluent Toxicity |
| WFD | Water Framework Directive |
| WFLS | Watson Forward Looking Sonar |
| WFR | Water Flow Rate |
| WFRS | Willapa Fisheries Recovery Strategy |
| WFW | Water For the World |
| WFW | Watershed, Fish, and Wildlife |
| WG | Water Gauge |
| WGAG | Working Group on Arctic Glaciology |
| WGAM | Working Group on Antarctic Meteorology |
| WGCCD | Working Group on Climate Change Detection |
| WGCOM | Working Group on the Commercialization of Meteorological and Hydrological Services |
| WGD | Working Group on Data |