Middle East — 2026-06-07
US Forces Interdict Iran-Linked Ship as Iranian Oil Exports Fall 93 Percent Under Blockade
BLUFSaturating floating storage very likely forces Iranian production curtailments through June, compounding blockade-driven revenue collapse beyond what enforcement tempo alone could sustain.
US Indo-Pacific Command forces interdicted and boarded the sanctioned stateless tanker MT Davina (IMO: 9259367) in the Indian Ocean on June 4, operating from USS John L. Canley (ESB-6) 12. US Central Command reported six ships have been blocked or disabled attempting to transit the Strait of Hormuz since the blockade began on April 13 1. United Against Nuclear Iran reported Iran's total oil exports fell 93 percent in May to 2.01 million barrels, crude shipments reaching zero, with only four small vessels carrying naphtha to China evading enforcement 13. Al Jazeera, citing Kpler, placed May volumes somewhat higher at below 300,000 barrels per day and reported approximately 147 million barrels of Iranian crude in floating storage, roughly 67 million barrels stranded inside the Gulf 4.
AnalysisIranian crude exports
very likely remain below 300,000 barrels per day through June 30. High confidence rests on two independent tracking methodologies reaching the same directional conclusion, with floating storage accumulation providing physical-world corroboration. With roughly 67 million barrels stranded inside the Gulf approaching saturation, Tehran faces production curtailments independent of enforcement tempo while China burns through floating reserves faster than evasion corridors can replenish them. Three of the four vessels that navigated those corridors in May carry no US or international sanctions, indicating exploitable gaps that Tehran and Beijing are actively mapping. Sustained evasion above that threshold would force an escalation-or-concession decision before Tehran's fiscal position fully exhausts, eroding the leverage currently preserved on both the nuclear and Hormuz files.
5 sources
- U.S. Forces Interdict Ship Connected to Iran in Indian Ocean, Iranian Oil Exports See Decrease - USNI News
- US forces board sanctioned tanker in Indian Ocean, Pentagon says - Navy Times
- Trump's Blockade Is Zeroing Out Iran's Oil Exports - Foundation for Defense of Democracies
- How the US naval blockade has bled Iran of nearly $6bn in oil revenues - Al Jazeera
- May 2026 Iran Tanker Tracker - United Against Nuclear Iran (UANI)
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