Final rule · 2026-13414

Regulated Navigation Area; Lake Washington, Seattle, WA

The Coast Guard will enforce a regulated navigation area (RNA) on Lake Washington, Seattle, Washington immediately before and after Seafair events from 8 a.m. through 6 p.m. daily July 30, 2026 through August 2, 2026. This action is being taken to provide for the safety of life on navigable waterways during this 4-day event. This RNA is located on portions of Lake Washington, Seattle, Washington. During enforcement periods all vessels and persons transiting the RNA must proceed at speeds which create minimum wake, 7 miles per hour or less, unless a higher minimum speed is necessary to maintain bare steerageway.