Federal and state agencies maintain river level monitors throughout the Potomac River Basin. The U.S.Geological Survey compiles real-time information from river monitors, in cooperation with the U.S. Army Corps of Engineers and the National Oceanic and Atmospheric Administration (NOAA).
Current stream conditions are shown in the graph below:
NOAA has an on-line river forecast service for the Potomac River at Point of Rocks summarized below.