Tanker attacks in Strait of Hormuz surge to wartime high as Iran tries to choke off oil exports

• Twelve sailors were injured Monday when a projectile struck their tanker transiting Hormuz; at least 24 sailors have died in attacks on 100 commercial ships since the war began
• Middle East crude exports rebounded to prewar levels in September aided by U.S. military escorts, but have since pulled back to 15.3 million bpd, 10% below prewar levels
• Iran has blocked its own crude exports since late August due to U.S. naval blockade and warned it will pursue ships throughout the Persian Gulf that violate its transit rules

Summary: Tanker Attacks in Strait of Hormuz Surge Amid Iran Escalation

Key Developments:

Tanker attacks in the Strait of Hormuz have reached wartime highs, with 11 vessels struck during the week ending October 4—the most since hostilities began in late February. An additional five tankers were attacked the following week, including an incident Monday that injured 12 Indian sailors aboard the UAE-owned vessel "On Peace."

Casualty Figures:

At least 9 sailors have died since July, with total casualties reaching 24 deaths across approximately 100 commercial ship attacks in the Hormuz, Persian Gulf, and Gulf of Oman regions since late February.

Iranian Actions:

Iran's Revolutionary Guard announced plans to block all "illicit routes" through Hormuz and expand operations beyond the strait throughout the Persian Gulf. Tehran has not exported crude oil since late August due to a U.S. naval blockade.

Oil Export Impact:

Middle East crude exports rebounded to prewar levels in September, aided by U.S. military escorts along Oman's coast. However, recent attacks have reduced flows through Hormuz to 8.5 million barrels per day (bpd)—40% below normal levels. Overall Middle East shipments stood at 15.3 million bpd, 10% below prewar volumes.

Market Implications:

Industry experts warn the current security environment is "not sustainable," with extremely high maritime risk threatening critical oil transit routes. The Joint Maritime Information Center continues warning commercial vessels, while Iran escalates pressure on key shipping lanes handling global energy supplies.

The situation threatens approximately 20-30% of the world's seaborne oil trade that typically passes through the Strait of Hormuz.