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Strait of Hormuz: Muted Shipping Amid Stalled Iran Talks
27 Apr
Summary
- At least seven ships passed through the Strait of Hormuz in 24 hours.
- Shipping traffic is a fraction of pre-war levels, impacting Gulf access.
- Millions of barrels of Iranian oil have sailed through the blockade.

Shipping activity through the vital Strait of Hormuz has significantly diminished, with at least seven vessels, primarily dry bulk carriers, transiting in the 24 hours preceding April 27, 2026. This represents a fraction of the typical 140 daily passages recorded before the commencement of hostilities on February 28, 2026.
The subdued traffic occurs as diplomatic discussions between Iran and the United States remain at an impasse. Data indicates that vessels originating from Iraqi ports and one dry bulk ship from an Iranian port were among those that passed. The U.S. Central Command reported redirecting 37 vessels since the imposition of a blockade on Iran on April 13, 2026.
Notably, analysis of satellite data revealed that approximately 10.5 million barrels of oil were transported by six Iranian tankers that returned to Iranian ports and subsequently sailed back through the Strait. Further reports indicate that around four million barrels of Iranian oil passed through the U.S. blockade on April 24, 2026.