Rotterdam hopper dredger vessel operated by Van Oord sits anchored, as Iran vows to shut the Strait of Hormuz, amid the U.S.-Israeli battle with Iran, in Muscat, Oman, March 9, 2026.
Benoit Tessier | Reuters
Iran has continued to ship massive quantities of crude oil by way of the Strait of Hormuz to China even because the warfare between U.S.-Israel and Iran has jeopardized broader provides via the crucial waterway.
Iran has despatched at the least 11.7 million barrels of crude oil via the Strait of Hormuz because the warfare started on Feb. 28, all of which had been headed to China, Samir Madani, co-founder of TankerTrackers, advised CNBC on Tuesday.
The agency displays vessel actions with satellite tv for pc imagery, permitting it to seize vessels that may in any other case go undetected if their monitoring methods are switched off. Many vessels have “gone darkish” after Tehran threatened to assault any vessel making an attempt to move via the waterway.
Transport intelligence knowledge supplier Kpler estimates round 12 million barrels of crude oil to have handed via the strait because the warfare began. “Provided that China has been the first purchaser of Iranian crude in recent times, a big share of those barrels might finally head there,” stated Nhway Khin Soe, crude analyst at Kpler, including that confirming the ultimate vacation spot for these vessels had change into more and more difficult.
China’s Nationwide Power Administration didn’t instantly reply to CNBC’s request for feedback.
The Strait of Hormuz, the slender waterway that has been crucial to the transportation of about one-fifth of the world’s oil and fuel, has seen transport site visitors sluggish to a trickle because the warfare began final month, with tankers largely avoiding the besieged waterway.
Ten vessels in or close to the Strait of Hormuz got here underneath Tehran’s assault lower than two weeks into the warfare, killing at the least seven seafarers onboard, in accordance with the Worldwide Maritime Group.
Oil tankers transiting via the Strait “have to be very cautious,” a spokesman for Iran’s Ministry of Overseas Affairs stated in an interview with CNBC’s Dan Murphy on Monday.
Three of the six tankers captured on satellite tv for pc imagery which have departed Iran since Feb. 28 had been Iranian-flagged, stated Madani.
As oil costs have soared on provide disruption fears, U.S. President Donald Trump advised Fox Information’ Brian Kilmeade that ships stranded close to the passageway must “present some guts” and push via the channel. “There’s nothing to be afraid of, they don’t have any Navy, we sunk all their ships,” Trump stated.
Various exports outlet?
Kharg island terminal, positioned about 15 miles off the coast of mainland Iran, has lengthy been the nation’s major oil export facility, dealing with round 90% of its crude exports earlier than tankers journey via the Strait of Hormuz.
Now, Iran has additionally resumed loading tankers on the Jask oil and fuel terminal alongside the Gulf of Oman, south of the Strait of Hormuz, which might add further capability to crude shipments.
An Iranian vessel was loading 2 million barrels of crude oil — solely the fifth such loading there previously 5 years, in accordance with TankerTrackers.
The renewed exercise at Jask alerts that Tehran is exploring options to the Strait of Hormuz, although the extent to which it might function a viable route for shipments stays unsure, stated Soe.
The Jask oil facility — Iran’s solely crude export outlet on the Sea of Oman that bypasses the Strait of Hormuz completely — has hardly ever been used because it seems far much less environment friendly.
Loading a single Very Giant Crude Provider, a category of supertanker constructed for long-haul oil transport, can take as much as 10 days, Madani stated. “It has good home propaganda worth, however not a lot by way of a logistical benefit.” For comparability, a VLCC takes about one or two days to load within the Kharg Island.
China’s stockpiling
Whereas Tehran continues to export to China, shipments of about 1.22 million barrels per day (mbd) had been considerably decrease than the degrees earlier than the warfare broke out.
Iran exported 2.16 mbd in February, the best stage since July 2018, in accordance with Kpler’s Soe, they usually had been all destined for China, as Beijing amassed reserves to cushion the potential power provide threat.
Within the first two months of the yr, Beijing accelerated its efforts for constructing its oil stockpile, with crude imports hovering 15.8% in comparison with a yr earlier, customs knowledge confirmed Tuesday.
In keeping with Kpler, Iranian crude loadings additionally hit a report excessive of three.78 mbp within the week of Feb. 16, greater than double the earlier weekly common of roughly 1.48 mbd.
Over time, China has constructed up massive crude stockpiles, accumulating an estimated 1.2 billion barrels of stock as of January, which might fulfill demand for 3 to 4 months, in accordance with Atlantic Council.
And that build-up took on renewed urgency this yr as U.S. President Donald Trump focused two of Beijing’s most important sources of provide, Venezuela and Iran. The U.S. captured Venezuela’s chief Nicolas Maduro in a army strike initially of the yr, whereas Iran’s supreme chief Ayatollah Ali Khamenei was killed within the U.S.-Israel warfare in opposition to Iran final month.

The Center East warfare has proven few indicators of abating, conserving tensions across the Strait of Hormuz elevated and world power markets on edge.
Oil costs surged to almost $120 a barrel on Monday, ranges unseen in 4 years, after a number of oil producing nations within the Persian Gulf started curbing manufacturing and as site visitors by way of Hormuz Strait has successfully come to a standstill.
International leaders have scrambled to comprise the fallout from a possible oil shock, with the Group of Seven leaders together with the U.S., reportedly contemplating the biggest ever launch of oil reserves and Trump signaling that the warfare could also be over quickly.
Oil costs have since pulled again, with U.S. WTI crude oil for April supply easing to round $84.9 a barrel as of Tuesday 10:50 p.m. ET, and world benchmark Brent with Could supply at $88.9 per barrel.
— CNBC’s Evelyn Cheng, Sam Meredith contributed to this report.