Coast Guard enforces water safety rules for Seattle Seafair hydroplane races in July and August 20
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The U.S. Coast Guard is enforcing a special local regulation for the Seattle Seafair Unlimited Hydroplane Race from July 30 through August 2, 2026. The enforcement window runs daily from 8 a.m. to 6 p.m. on Lake Washington in Seattle.
Why it matters: This action manages public safety during high-speed boat events. It prevents collisions between race boats and recreational craft or swimmers. The Coast Guard needs clear authority to stop traffic and enforce speed limits when hydroplanes are on the water.
Who it affects
- Boaters and vessel operators in Lake Washington, Seattle
This enforcement notice was issued by Captain Mark A. McDonnell of the U.S. Coast Guard, Sector Puget Sound, as published in the Federal Register on July 1, 2026.
Agency: Homeland Security Department, Coast Guard
Source: Federal Register — read the official document