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Shipping slows after Iran says it has again shut the Strait of Hormuz

Published by Global Banking & Finance Review

Posted on June 21, 2026

2 min read

· Last updated: June 21, 2026

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Oil Shipping Slows Sharply as Iran Again Shuts Off Strait of Hormuz

By Florence Tan

Strait of Hormuz Closure Impacts Oil Shipping

SINGAPORE, June 22 (Reuters) - The number of ships that passed through the Strait of Hormuz fell sharply on Sunday after Iran announced it had again closed the waterway, citing Israeli and U.S. violations of the interim peace deal, shipping data showed.

Shipping Traffic Data and Vessel Movements

Five vessels passed the strait on Sunday, from 26 ships spotted a day earlier, data from analytics firm Kpler showed. These included three Very Large Crude Carriers carrying 2 million barrels of Saudi crude and fuel oil each, one of which was heading to Japan. The data may exclude vessels that switch off their transponders while travelling in the Gulf.

Impact of Iranian Blockade and Ceasefire Developments

Iran lifted its effective blockade of the strait last week after agreeing with the United States to extend an April ceasefire for 60 days to allow for peace negotiations, but Tehran's Islamic Revolutionary Guard Corps on Saturday declared the waterway shut once again in response to Israeli strikes in Lebanon. The U.S. military said commercial vessels were still operating.

Details on Recent Ship Movements

Among the ships that exited the strait on Saturday, three of them were VLCCs carrying crude from the United Arab Emirates, Kuwait and Iraq while there were also three tankers carrying various oil products, the data showed. 

Entry of Ships and Oil Tender Activity

A total of 13 ships entered the strait on Saturday, including two VLCCs, the data showed.

Gulf Producers' Response to Shipping Disruptions

Gulf producers Abu Dhabi National Oil Co and Kuwait Petroleum Corp have issued tenders selling crude with the option of loading from inside and outside the Strait of Hormuz.

(Reporting by Florence Tan; Editing by Stephen Coates)

Key Takeaways

  • Iran’s Islamic Revolutionary Guard Corps announced the closure of the Strait of Hormuz on Saturday, citing violations of an interim peace deal by Israel and the U.S., causing a sharp drop in vessel traffic through the crucial energy chokepoint (axios.com).
  • Kpler data shows ship counts fell from 26 on Saturday to only five on Sunday, including three VLCCs each carrying around 2 million barrels—highlighting the significant supply disruption and insurance concerns (gmanetwork.com).
  • The Strait of Hormuz is vital, handling about 20–25% of global seaborne oil and LNG exports; any disruption, like this closure, heightens energy market volatility and risks supply-chain ripples across industries (iea.org).

References

Frequently Asked Questions

Why did Iran close the Strait of Hormuz again?
Iran shut the Strait of Hormuz citing violations of the interim peace deal by Israel and the U.S., following Israeli strikes in Lebanon.
How much did ship traffic decline after the strait was closed?
Ship transit through the Strait of Hormuz fell to just 5 vessels from 26 the previous day after Iran's announcement.
What types of ships passed through the strait during the closure?
During the closure, three VLCCs carrying Saudi crude and fuel oil, and two other vessels, passed through the strait.
Are commercial vessels still operating in the Strait of Hormuz?
According to the U.S. military, some commercial vessels continued to operate in the area despite the Iranian announcement.
Which companies issued tenders for crude oil shipments amid the closure?
Abu Dhabi National Oil Co and Kuwait Petroleum Corp issued tenders offering crude with flexible loading locations.

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