Five commercial vessels — a containership and four tankers — were struck in and around the Strait of Hormuz on Sunday, pushing attacks on merchant shipping to a level that now matches the Joint Maritime Information Center's second-highest threat classification. UK Maritime Trade Operations (UKMTO) disclosed four of the incidents in time-late reports on Monday, underscoring how quickly the official picture lags events on the water.

Four of the vessels were hit while transiting the strait itself: an outbound product tanker, an outbound crude oil tanker, another outbound tanker, and a containership heading inbound. All four were struck by unidentified projectiles, according to UKMTO. In one case UKMTO confirmed the crew of an outbound tanker was safe, though the environmental impact remained unknown. The remaining reports offered no details on casualties or damage.

Where did the fifth attack occur?

The fifth incident unfolded well outside the strait. A tanker near Sohar anchorage, Oman, was struck by an uncrewed aerial vehicle. UKMTO initially logged the event as suspicious activity, then upgraded it to an attack. Local authorities were assisting with the evacuation of the crew, while damage and environmental assessments remained incomplete.

The strikes cap a violent weekend for regional shipping that also included earlier attacks on tankers in Hormuz and a U.S. military strike that disabled a commercial cargo vessel in the Gulf of Oman.

What is the official threat assessment?

JMIC's October 11 advisory classified the security threat in the Strait of Hormuz as SEVERE, its second-highest category. The assessment, covering incidents confirmed through approximately 1500 UTC Sunday, had already identified three recent tanker attacks in the strait, including one reported late.

The advisory warned that further deliberate attacks were highly likely, and cited continued harassment, surveillance and pressure on commercial vessels by Iran's Islamic Revolutionary Guard Corps. It also flagged an expanding geographic footprint: recent strikes have targeted ships anchored off the United Arab Emirates and vessels operating elsewhere inside the Persian Gulf, not only vessels passing through the strait.

How much traffic is actually moving?

Official figures show the flow has collapsed. U.S. Naval Cooperation and Guidance for Shipping (NCAGS) data cited by JMIC recorded approximately 29 vessel transits per day over the 72 hours ending October 10, against a historical average of roughly 138 per day — a drop of nearly 80 percent. Independent tracking data indicated substantially fewer transits still, reflecting differences in reporting and methodology.

That collapse persists despite U.S. efforts to restore shipping flows through the chokepoint, and the weekend's attacks raise further questions about whether any recovery is sustainable.

What does this mean for operators?

The lag in reporting cuts both ways. With multiple attacks surfacing after the fact, even the most recent security assessments may not fully reflect the conditions facing merchant vessels and their crews. For carriers and forwarders routing box ships or tankers through the Gulf, the Sohar drone strike signals that waiting at anchor outside the strait is no safer than transiting it.

The incidents also compress the calculus around insurance, crewing and rerouting decisions at a moment when roughly four in five normal transits have already vanished from the waterway. UKMTO has urged ships to transit with caution and to report suspicious activity as authorities investigate the latest incidents.

Unless attack frequency drops materially, the gap between the historical 138 transits per day and the current 29 looks set to widen rather than close.