Makes NOAA's National Water Center the lead center for federal water research and coordination, and places the National Weather Service's river forecast centers under its oversight.

• Names the National Water Center the primary NOAA center for water research, development, and coordination with other federal agencies, including USDA, the Army Corps of Engineers, the Bureau of Reclamation, the U.S. Geological Survey, and FEMA.
• Directs the Under Secretary to use the Weather and Climate Operational Supercomputing System to build advanced water resources models and add them to the unified forecast system.
• Places the River Forecast Centers and the Cooperative Institute for Research to Operations in Hydrology under the National Weather Service's Office of Water Prediction, coordinated with the National Water Center.
• Extends the authorization covered by the amended section to fiscal years 2026 through 2030.

• Commerce, Science, and Transportation Committee (Senate)

Science, Technology, Communications