CNN reported that after Iran announced on Saturday it would close the Strait of Hormuz, the Islamic Revolutionary Guard Corps' naval unit warned vessels not to approach the waterway. A state broadcaster reporter said the IRGC issued radio warnings and directly contacted ships, saying vessels attempting to transit could encounter sea mines or be targeted by Iranian naval forces. The reporter added vessel traffic in the Persian Gulf had fallen further compared with several hours earlier.

Trump said the prospect of global economic collapse was a key reason he signed a temporary peace agreement with Iran, exposing a central U.S. weakness ahead of the next negotiation round. Because Iran knows Trump is reluctant to restart military action—which would trigger fresh economic turmoil—the pressure on Iran to conclude talks quickly is reduced. U.S. domestic pressure may further intensify: a Maryland poll found 56% of Americans believe the war’s negative effects on U.S. interests outweigh the positive. Former State Department official Chris Kennedy said the memorandum of understanding’s 14 clauses leave Iran in an advantageous position on nuclear issues. The agreement also allows the original 60‑day negotiation period to be “extended,” implying talks could stretch for months. Former Treasury official Miad Maleki said the outcome is more favorable to Iran: Iran will not abandon its nuclear program for sanctions waivers it has already won, and while the U.S. could still escalate militarily, it has forfeited key economic leverage when it most needed it.

Iran's Revolutionary Guard said U.S. and Israeli enemies realized by the 15th day of the conflict that the situation had slipped beyond their control.