Tariffs are expected to be high on the agenda. Trump has threatened to impose 20% tariffs on Filipino goods on Aug. 1 unless the two sides can strike a deal.

Mr. Trump plans to host Mr. Marcos for lunch. The Trump administration fell well short of its goal of securing 90 trade deals in 90 days by early July, negotiating only a handful. The White House says that it has, so far, reached framework agreements with Britain, Vietnam and Indonesia, plus a trade truce that rolled back tariffs with China.