Strait of Hormuz threat level raised to severe after Iran attacks tankers on U.S. Navy route

• Iran is targeting ships using a U.S. Navy-protected southern corridor while demanding vessels use a northern route approved by Tehran, creating a fractured strait with competing corridors of control
• Ship traffic through Hormuz remains far below prewar levels despite increases since the interim deal, with oil exports averaging 4.3 million barrels per day in June compared to over 15 million bpd before the conflict
• Qatar held Iran responsible for attacking its LNG tanker Al-Rekayyat on Tuesday, calling on Tehran to stop endangering global energy supplies

Summary

Threat Escalation in Critical Shipping Lane

The Joint Maritime Information Center elevated the Strait of Hormuz threat level to "severe" following renewed Iranian attacks on commercial vessels this week. Iran has targeted ships using a U.S. Navy-protected route along Oman's southern coast, despite agreeing to safe passage terms in an interim U.S.-Iran deal signed June 17.

Key Incidents and Players

Qatar attributed an attack on its LNG tanker, Al-Rekayyat, to Iran on Tuesday, urging Tehran to stop endangering global energy supplies. The UK Maritime Trade Operations Centre reported three separate tanker attacks in or near Hormuz this week. Iran has warned it will target vessels not using its approved northern route, effectively fracturing the strait into competing U.S. and Iranian-controlled corridors.

Market Impact

Oil exports through Hormuz averaged approximately 4.3 million barrels per day (bpd) in June—dramatically below the pre-war level of 15 million bpd. While ship traffic has increased since the interim deal, with over 100 vessels transiting over one weekend, this remains far below normal daily traffic of 100+ ships before conflict began.

Strategic Implications

Analysts characterize Iran's actions as a "sporadic targeted campaign" to destabilize the U.S.-protected southern corridor and pressure Gulf state producers. The strait represents Iran's primary leverage point, controlling a critical chokepoint for global energy supplies. Following attacks on U.S.-protected routes, the United States launched retaliatory airstrikes against Iran. Maritime intelligence experts confirm "the strait remains far from fully functioning," posing ongoing risks to energy supply chains and global trade.