Industrial vessels are pictured offshore in Dubai on March 11, 2026.
– | Afp | Getty Photos
Iran’s de facto blockade of the Strait of Hormuz has stoked fears of the gravest disruption to world oil provide in historical past, because the Center East battle stretches into its third week.
The blockade has squeezed transport site visitors to a trickle, with simply 21 tankers transiting the route for the reason that battle started on Feb. 28, in line with S&P International Market Intelligence, in comparison with greater than 100 ships every day earlier than the battle.
Most vessels seem like holding positions exterior Hormuz, with hundreds of seafarers stranded aboard vessels within the Gulf. Some have explored a pivot to disperse to various ports.
Roughly 400 vessels had been noticed working within the Gulf of Oman, as an enormous backlog of ships waited close to the chokepoint, in line with a report from maritime intelligence agency Windward on Sunday.
Whereas Iran has stored a decent grip on the strait, a small variety of different ships have made the crossing below various circumstances, signaling that Tehran is selectively letting by some non-Iranian oil cargo in negotiated protected voyages, in line with maritime analysts.
Here is a take a look at among the nations which have had their vessels undergo the vital vitality route for the reason that battle started.
China
Tehran has largely averted concentrating on ships linked to China. Dozens of vessels broadcasting AIS — automated identification system — locations referenced Chinese language possession or crew presence whereas working within the Gulf, in line with Windward.
“This sample suggests the potential for an off-the-cuff entry filter, the place vessels signaling Chinese language possession or crew could also be trying to point neutrality or keep away from concentrating on within the present battle surroundings,” Windward analysts mentioned in a report final week.
Beijing was reportedly in talks with Iran to permit crude oil and Qatari liquefied pure gasoline carriers to move by the strait. Iran has continued to ship tens of millions of barrels of crude oil to China for the reason that battle started.
From March 1 to March 15, a complete of 11 China-linked vessels transited by the Strait of Hormuz, in line with Lloyd’s Checklist Intelligence, largely basic cargo ships, whereas tankers operated by mainstream Chinese language homeowners nonetheless averted the route. Earlier this month, Chinese language state-owned Cosco Transport suspended all new bookings for routes to and from ports within the Center East.
But a ship that broadcasts its Chinese language affiliation doesn’t at all times assure a protected passage.
One China-owned vessel broadcasting “China Proprietor” by way of AIS throughout transit was struck by shrapnel whereas crusing from the Center East Gulf towards Jebel Ali within the United Arab Emirates on March 12, a improvement that has since deterred additional Chinese language transits, in line with Lloyd’s Checklist Intelligence.
Greece
Greek shipowners, run by Athens-based Dynacom Tankers Administration, have been among the many first mainstream operators to check the route.
The Shenlong, a Liberia-flagged Suezmax tanker managed by Dynacom, transited the strait round March 8, carrying roughly a million barrels of Saudi crude to reach at Mumbai’s anchorage.
One other oil tanker, the Smyrni, laden with Saudi crude oil, additionally sailed by the waterway final week and anchored in Mumbai.
It’s not but clear whether or not Smyrni was allowed protected passage resulting from its cargo certain for India, mentioned Lloyd’s Checklist Intelligence.
India
Indian International Minister S. Jaishankar described the nation’s direct talks with Tehran as productive. “I’m for the time being engaged in speaking to them, and my speaking has yielded some outcomes,” he informed the Monetary Occasions earlier this week. “Whether it is yielding outcomes for me, I’d naturally proceed to take a look at it.”
MUMBAI, INDIA – MARCH 12: The Liberia-flagged Suezmax tanker Shenlong, carrying crude oil, among the many first ships to succeed in India amid the Center East crises, is seen at Mumbai Port in Mumbai, India, on March 12, 2026, after crusing by the Strait of Hormuz from the Saudi port of Ras Tanura.
Imtiyaz Shaikh | Anadolu | Getty Photos
Two Indian vessels carrying liquefied petroleum gasoline, or LPG, below the Transport Company of India had been additionally permitted to transit, with one arriving Sunday and a second anticipated Tuesday.
About 22 vessels carrying crude, LPG, and liquefied pure gasoline remained anchored within the strait, awaiting affirmation for protected passage, CNBC has discovered.
Pakistan, Turkey
As not too long ago as Monday, a Pakistan-flagged Aframax tanker laden with crude from Abu Dhabi grew to become the primary confirmed non-Iranian cargo vessel to transit the chokepoint whereas broadcasting its location, in line with Kpler’s ship-tracking intelligence unit, MarineTraffic.
That exhibits “choose shipments could also be receiving negotiated protected passage,” it mentioned.
Turkish authorities additionally confirmed that one Turkish-owned vessel was permitted to transit after calling at an Iranian port, although 14 further Turkish-owned vessels stay within the area awaiting clearance.
‘Random’ assaults, diverting routes
However the Strait of Hormuz has remained successfully shut to the worldwide vitality circulate as Tehran continued sporadic assaults on vessels.
Assaults on ships within the Gulf appeared “random” and lacked a sample, aimed toward sowing confusion and disruption fairly than concentrating on particular nationwide profiles or vessel varieties, maritime analysts mentioned.
Not less than 16 vessels have been struck in waters close to the UAE’s Fujairah port, Iraq’s Khor Al Zubair port and the Gulf of Oman, in line with the Worldwide Maritime Group.
A number of vessels that had been focused had Western or Gulf-state connections, together with hyperlinks to the U.S., UAE and U.Ok. by possession or state registration, in line with Windward.
Different affected vessels additionally included ships arriving from Thailand, Vietnam, and Brazil, indicating “broad concentrating on of dense business transport lanes fairly than a slim give attention to one nationality or operator class,” Windward analysts mentioned.
The assaults have adopted no discernible sample, mentioned Bridget Diakun, senior danger and compliance analyst at Lloyd’s Checklist Intelligence, which “makes issues tough for folks making an attempt to plan any transiting, as a result of they cannot work out what the rationale is for one ship getting hit over one other,” she mentioned in an interview with CNBC.

Shipowners have additionally scrambled to safe various routes, contingency ports or inland transportation networks, setting off a cascade of congestion throughout the area’s secondary hubs.
When the battle started, some 81 container vessels had been certain for ports alongside the Strait of Hormuz, in line with Kpler. Since then, 43 have rerouted to different Gulf ports, with the remainder diverting from the area completely.
Cargoes have been redirected to ports exterior the strait, notably Fujairah and Khor Fakkan within the UAE, and Oman’s Sohar, earlier than being moved by truck to their locations.
— CNBC’s Seema Mody contributed to this report.

