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 giant quantities of crude oil through the Strait of Hormuz to China even because the warfare between U.S.-Israel and Iran has jeopardized broader provides by the vital waterway.
Iran has despatched at the very least 11.7 million barrels of crude oil by the Strait of Hormuz for the reason that warfare started on Feb. 28, all of which have been headed to China, Samir Madani, co-founder of TankerTrackers, informed CNBC on Tuesday.
The agency screens vessel actions with satellite tv for pc imagery, permitting it to seize vessels that will in any other case go undetected if their monitoring programs are switched off. Many vessels have “gone darkish” after Tehran threatened to assault any vessel trying to go by the waterway.
Transport intelligence information supplier Kpler estimates round 12 million barrels of crude oil to have handed by the strait for the reason that warfare began. “Provided that China has been the first purchaser of Iranian crude in recent times, a big share of those barrels might in the end head there,” mentioned Nhway Khin Soe, crude analyst at Kpler, including that confirming the ultimate vacation spot for these vessels had turn 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 vital to the transportation of about one-fifth of the world’s oil and fuel, has seen delivery visitors gradual to a trickle for the reason that warfare began final month, with tankers largely avoiding the besieged waterway.
Ten vessels in or close to the Strait of Hormuz got here below Tehran’s assault lower than two weeks into the warfare, killing at the very least seven seafarers onboard, in response to the Worldwide Maritime Group.
Oil tankers transiting by the Strait “have to be very cautious,” a spokesman for Iran’s Ministry of International Affairs mentioned 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 have been Iranian-flagged, mentioned Madani.
As oil costs have soared on provide disruption fears, U.S. President Donald Trump informed Fox Information’ Brian Kilmeade that ships stranded close to the passageway have to “present some guts” and push by the channel. “There’s nothing to be afraid of, they don’t have any Navy, we sunk all their ships,” Trump mentioned.
Different exports outlet?
Kharg island terminal, positioned about 15 miles off the coast of mainland Iran, has lengthy been the nation’s main oil export facility, dealing with round 90% of its crude exports earlier than tankers journey by 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 prior to now 5 years, in response to TankerTrackers.
The renewed exercise at Jask indicators that Tehran is exploring options to the Strait of Hormuz, although the extent to which it might probably function a viable route for shipments stays unsure, mentioned Soe.
The Jask oil facility — Iran’s solely crude export outlet on the Sea of Oman that bypasses the Strait of Hormuz totally — has hardly ever been used because it seems far much less environment friendly.
Loading a single Very Giant Crude Service, a category of supertanker constructed for long-haul oil transport, can take as much as 10 days, Madani mentioned. “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) have been considerably decrease than the degrees earlier than the warfare broke out.
Iran exported 2.16 mbd in February, the best degree since July 2018, in response to Kpler’s Soe, they usually have been all destined for China, as Beijing amassed reserves to cushion the potential vitality provide threat.
Within the first two months of the 12 months, Beijing accelerated its efforts for constructing its oil stockpile, with crude imports hovering 15.8% in comparison with a 12 months earlier, customs information confirmed Tuesday.
In response to 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 giant crude stockpiles, accumulating an estimated 1.2 billion barrels of stock as of January, which might fulfill demand for 3 to 4 months, in response to Atlantic Council.
And that build-up took on renewed urgency this 12 months 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 navy strike at the beginning of the 12 months, whereas Iran’s supreme chief Ayatollah Ali Khamenei was killed within the U.S.-Israel warfare towards Iran final month.

The Center East warfare has proven few indicators of abating, retaining tensions across the Strait of Hormuz elevated and world vitality markets on edge.
Oil costs surged to just about $120 a barrel on Monday, ranges unseen in 4 years, after a number of oil producing international locations within the Persian Gulf started curbing manufacturing and as visitors through Hormuz Strait has successfully come to a standstill.
World 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 most important 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.

