NASBLA Public Library

This technical report, prepared for the Water Sports Industry Association (WSIA), provides a detailed scientific evaluation of wake-sport vessel wakes and their potential impacts on shorelines under varying operating conditions and water depths. Using instrumented field testing conducted in both shallow and deep-water environments, the study measures wave height, wake energy, wave dissipation, and shoreline interaction associated with cruising, wakeboarding, and wakesurfing operations. The report analyzes how factors such as ballast loading, vessel speed, standoff distance, bottom friction, and wave breaking influence wake behavior and shoreline energy transfer. Findings include comparisons between wake-generated wave energy and naturally occurring wind-driven wave conditions, offering important context for evidence-based waterway management decisions. For Boating Law Administrators, marine law enforcement agencies, and waterway planners, this resource supports informed discussions regarding setback distances, operational best practices, wake sport zoning considerations, and balanced management of multi-use recreational waterways.