US blockade on Iran’s oil begins amid unclear enforcement, energy shock fears
Analysis
US blockade on Iran’s oil begins amid unclear enforcement, energy shock fears
The move threatens to cut off roughly 2 million barrels per day of Iranian crude exports, but key questions remain as the operation begins.
Samuel Wendel
Apr 13, 2026
A ship is seen off the coast of Ras al-Khaimah, the day after US-Iran peace talks failed on April 13, 2026. — AFP via Getty Images
A US naval blockade targeting Iranian oil shipments came into force at 10 a.m. EST on Monday, marking a new escalation in the US-Israel-Iran conflict just one week after a fragile ceasefire was announced.
The move threatens to cut off roughly 2 million barrels per day of Iranian crude exports, tightening global supply amid a historic energy disruption. But as the operation begins, key questions remain, from how the blockade will be enforced to how Iran and global markets will respond, raising the stakes for regional security and the world economy.
What happened: On Sunday, US Central Command announced it would begin enforcing a blockade on maritime traffic entering and exiting Iranian ports, including those........
