The 96 foot tugboat Delanco went aground near Kingston, Washington.   The tug was proceeding to Port Townsend from Seattle when it went aground.   The tug was refloated on the rising tide the next day.   The Coast Guard cutter Sea Lion escorted the Delanco when the tug lost power due to an engine failure.   The cutter took the tug under tow and both vessels proceeded to Port Townsend.   No reports of injuries, damage or pollution being released.