See the workings of an ocean going tugboat as it prepares for a trip to Alaska. 2-4 people ride for 3-4 hours from Ballard through the Hiram M. Chittenden Locks to the Seattle Waterfront (one-way trip). Sailings depart every Wednesday and Friday at 1pm between March 1st and November 1st. Mutually agreeable date. Expires 11/1/2014.