Coast Guard Slows Boats to 7 MPH for Seattle's Seafair Party
Published Date: 7/28/2025
Rule
Summary
From July 31 to August 3, 2025, the Coast Guard will set special boating rules on parts of Lake Washington during Seafair events. Boaters must slow down to 7 mph or less to keep waves small and everyone safe. This temporary speed limit helps protect people and boats during busy event days, so plan ahead if you’re on the water!
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Seafair Lake Washington 7 mph limit
If you boat on parts of Lake Washington in Seattle between July 31 and August 3, 2025, you must travel at 7 miles per hour or less from 8 a.m. to 8 p.m. each day while the regulated navigation area is enforced. You may exceed 7 mph only if a higher speed is needed to maintain bare steerageway.
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