Will Iran Close the Hormuz Strait After US Strikes?

June 22, 2025: Tensions in the Middle East are nearing a boiling point as Iran’s parliament approves a proposal to close the Strait of Hormuz — a critical passageway that sees nearly 20% of the world’s oil and gas shipments. The dramatic move follows U.S. and Israeli military strikes on Iranian nuclear sites, sparking fears of a major energy crisis.

Iran’s Supreme National Security Council now holds the final say on the closure, though Revolutionary Guards Commander Esmail Kosari confirmed the option is “on the agenda” and will be acted upon “whenever necessary.”

Also Read: Russia, China Condemn US Strikes On Iran’s Nuclear Sites As Violation Of International Law

Energy markets are already reacting. Since Israel’s surprise airstrikes on June 13 and the U.S. strikes that followed, Brent crude oil has spiked over 10%, surpassing $77 per barrel amid growing concerns over maritime disruptions.

The Strait of Hormuz, linking the Persian Gulf and Gulf of Oman, is no stranger to crisis. Its strategic importance was highlighted during the 1980s Iran-Iraq “Tanker Wars,” which saw both sides targeting oil shipments and even U.S. Navy vessels. A similar flashpoint occurred in 2023 when Iranian forces seized the Chevron-chartered crude tanker Advantage Sweet, holding it for over a year.

Shipping giant Maersk has stated it is reviewing its operations in the region and is prepared to take action based on risk assessments. “We will continuously monitor the security risk to our vessels and are ready to act as needed,” the company said.

While shipping through the Strait remains largely intact for now, the U.S. strikes on Iran’s nuclear facilities at Fordo, Natanz, and Isfahan could provoke a stronger reaction from Tehran. U.S. Defense Secretary Pete Hegseth called the attack a “decisive blow” aimed at dismantling Iran’s nuclear capabilities, not instigating regime change.

Any attempt by Iran to close the Strait of Hormuz could prompt global retaliation. The waterway is vital to the economies of Asia, Europe, and the U.S., and a shutdown would spark massive supply chain disruptions and a global energy shock.

Western leaders continue to call for restraint and diplomatic solutions, but with tensions escalating fast, the world watches anxiously.