Regulated Navigation Area; Lake Washington, Seattle, WA
Key claim: The Coast Guard will enforce a regulated navigation area on Lake Washington during Seafair events July 30–August 2, 2026, requiring vessels to travel at 7 mph or less to ensure safety.
Abstract
(Rule · Homeland Security Department, Coast Guard) 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.
Why this matters
The Coast Guard will enforce a regulated navigation area on Lake Washington during Seafair events July 30–August 2, 2026, requiring vessels to travel at 7 mph or less to ensure safety.