US Enforces Full Iran Port Blockade, Signals Imminent Talks as Hormuz Disruption Sends Global Energy Markets into Turmoil

Hopes for fresh negotiations and U.S.–Iran talks have risen once again on Wednesday even as the United States tightened its military blockade of Iranian ports and Tehran warned of wider retaliation across the region, underscoring the fragile overlap between diplomacy and escalation in the ongoing war.

File Photo: AF Post

U.S. President Donald Trump said a second round of talks could take place “over the next two days,” indicating that discussions may again be held in Islamabad as backchannel efforts continue. He also described the war as “very close to over” in remarks from an interview scheduled to air Wednesday, repeating earlier assertions of imminent resolution despite continued hostilities on the ground.

At the multilateral level, U.N. Secretary-General António Guterres said it was “highly probable” that talks would resume, citing recent discussions with Pakistan’s foreign minister, as Islamabad intensifies its mediation push. Pakistan’s Prime Minister Shehbaz Sharif is expected to travel to Saudi Arabia and later attend the Antalya Peace Forum in Turkey, part of a broader diplomatic effort to bring parties back to the table.

The diplomatic signals come as the U.S. military confirmed that its blockade of Iranian ports is now fully operational. U.S. Central Command said it had achieved “maritime superiority” and that the blockade had been “fully implemented” within 36 hours, adding that no vessels breached restrictions in the first 24 hours and that multiple merchant ships complied with instructions to turn back.

The blockade is designed to restrict Iran’s oil exports and maritime activity, a critical revenue stream for Tehran since the war began on February 28. U.S. officials say the move targets shipments that have continued despite sanctions, including so-called “dark” transits used to evade monitoring, while reinforcing pressure on Iran to alter its strategic posture.

Iran, however, has signalled that it will respond if further pressure or military action follows, warning that targets across the region could come under attack. At the same time, Tehran has effectively curtailed shipping through the Strait of Hormuz, with most commercial vessels avoiding the corridor, amplifying global energy market volatility.

The disruption of Hormuz — through which roughly a fifth of global oil supply passes in normal conditions — has driven sharp increases in oil prices, feeding into higher costs for fuel, food and essential goods worldwide. Tanker movements have become erratic, with vessels reversing course or delaying transit amid uncertainty over enforcement and security risks.

Parallel diplomatic activity has also emerged elsewhere in the region. In Washington, Israeli and Lebanese ambassadors held their first direct talks in decades, with U.S. Secretary of State Marco Rubio describing the engagement as a “historic opportunity” while cautioning that no immediate breakthrough should be expected. The meeting comes amid ongoing conflict between Israel and Iran-backed Hezbollah, which has displaced more than one million people in Lebanon since March.

Israeli officials said both sides were aligned in confronting Hezbollah, while Lebanese representatives described the talks as “constructive” but stressed the need to end ongoing hostilities. The engagement highlights a broader attempt by Washington to stabilise multiple fronts even as the wider regional conflict continues.