# Regulated Navigation Area; Lake Washington, Seattle, WA

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Homeland Security Department; Coast Guard |
| Type | Final rule |
| Action | Notification of enforcement of regulation. |
| Published | 2026-07-02 |
| Significant | No |
| CFR parts | 33 CFR 165 |
| Summary | 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 |
| Document number | 2026-13414 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/07/02/2026-13414/regulated-navigation-area-lake-washington-seattle-wa). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.