; and (6) by adding at the end the following: (k) Rule of construction Nothing in this section shall be construed to create a cause of action under this Act. . III Water prediction and forecasting 301. Water prediction and forecasting (a) National Water Center (1) Establishment (A) In general The Under Secretary of Commerce for Oceans and Atmosphere shall establish a center— (i) to serve as the research and operational center of excellence for hydrologic analyses, forecasting, and related decision support services within the National Oceanic and Atmospheric Administration and the National Weather Service