A new poll of likely voters suggests that Boston Mayor Michelle Wu will smoke her principal challenger Josh Kraft in this fall’s election.

A new Suffolk/Globe poll shows Boston Mayor Michelle Wu ahead of Josh Kraft in the preliminary election, with voters weighing in on affordability issues.

With the city’s preliminary election closing in, Boston Mayor Michelle Wu holds a nearly 30-point lead over her nearest challenger, according to a new poll. Wu leads philanthropist and community activist Josh Kraft 59%-29% in the new Boston Globe/Suffolk University poll out Monday.