U.S.-Iran interim deal wobbles as Strait of Hormuz tensions rattle energy markets

The fragile U.S.-Iran pause is still under strain. By June 29, renewed attacks and threats were again hanging over the Strait of Hormuz, the narrow waterway that carries a major share of the world’s oil and gas traffic. Even a brief security shock there can ripple into shipping and energy planning far beyond the Gulf.

What the June 19 agreement was meant to do

On June 19, the White House said President Donald Trump and Vice President JD Vance had secured a historic breakthrough by signing a memorandum of understanding with Iran. In the administration’s framing, the agreement would keep Iran from obtaining a nuclear weapon and reopen the Strait of Hormuz to free navigation. AP later reported that the two sides have 60 days from the signing to work out the details, with key questions still unresolved around the strait, sanctions, and Iran’s stockpile of highly enriched uranium.

Why the route is still fragile

The International Maritime Organization said it temporarily paused its evacuation operation after an attack on a vessel in the Gulf of Oman, saying it needed to reconfirm that safety guarantees were still in place for ships on its list and others in the region. The agency said several vessels had already been evacuated, but the pause showed the situation had changed again.

AP also reported that Iran launched drone and missile attacks targeting Bahrain and Kuwait after U.S. strikes and threatened a complete halt to negotiations if Washington continues its attacks. In the same reporting, an Iranian foreign minister said Tehran must oversee the reopening and continued operation of the strait, while a multinational maritime body overseen by the U.S. Navy expanded a route near Oman for inbound and outbound traffic after attacks on vessels using that side of the waterway.

The IEA says global energy markets are dealing with the largest supply disruption in history from the near closure of Hormuz, with flows falling from around 20 million barrels a day before the conflict to an average of 2.7 million in March, April and May. Emergency stock releases can help in the short term, but the agency says a durable fix depends on a full reopening of the strait. For now, the question is whether the pause can survive another attack and whether a workable security arrangement can hold.

Sources

• The White House — June 19 U.S.-Iran agreement announcement
• International Maritime Organization — Strait of Hormuz attack statement
• International Energy Agency — Strait of Hormuz shock commentary
• Associated Press — June 29 report on U.S.-Iran talks and Hormuz tensions