The disclosed embodiments include a method for forecasting a coverage area of a candidate site in an anchor network. The method can include obtaining cell site information of anchor networks and of the candidate site (e.g., a donor site of a donor network), simulating a spatial layout of the anchor sites in a virtual network, and estimating a coverage area of the candidate site in the virtual network. The estimated coverage area of the candidate site forms a polygon-shaped coverage area in the spatial layout of the virtual network. The method can further include modifying the polygon-shaped coverage area of the candidate site relative to an intersection with a coverage area of a neighboring site, pruning the modified coverage area of any portion that exceeds a predefined coverage radius, and causing an output including the pruned coverage area of the candidate site as an indication of the forecast coverage area.