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Lake Union Seaplane Warning Buoys to be Installed for Summer

Now that summer boating season is here, the Lake Union seaplane landing advisory buoys will be installed on May 22. The five buoys will flash when seaplanes are landing and taking off, warning boaters to give them plenty of room. Boaters are encouraged to stay 200 feet from the buoys when they flash.

Flyers have been distributed to Lake Union boat rental businesses to help inform their customers of the warning system. The installation of warning buoys does not affect the U.S. Coast Guard’s navigation rules.

Like last year, the advisory buoys will be removed after Labor Day Weekend.

The Coast Guard, the Seattle Police Department Harbor Patrol, and Seattle Office of Planning and Community Development (OPCD) received no reports of concerns after the first deployment of the buoys last summer from Memorial Day through Labor Day. Questions can be directed to OPCD’s

OPCD obtains annual permits for the warning buoys from the Washington State Department of Natural Resources. The buoys were paid for with a grant from the Washington State Department of Transportation and are installed by Kenmore Air.