US Naval Blockade Halts Most Shipping Through Strait of Hormuz Since April 13
Image: The Times of India

US Naval Blockade Halts Most Shipping Through Strait of Hormuz Since April 13

16 April, 2026.Iran.7 sources

Key Takeaways

  • The blockade was fully implemented, halting most of Iran's sea-trade through the Strait of Hormuz.
  • A first vessel reportedly transited the Strait of Hormuz since the blockade began.
  • Maritime traffic through the Strait of Hormuz has slowed to a trickle.

US-Iran Strait of Hormuz Blockade

The blockade was enforced impartially against all vessels of all nations entering or departing Iranian ports and coastal areas.

Image from @lowyinstitute
@lowyinstitute@lowyinstitute

Maritime tracking data showed some ships transiting the strait after the blockade began.

The blockade effectively froze most commercial traffic through the Strait of Hormuz.

Blockade Enforcement and Challenges

The US blockade did not physically close the Strait of Hormuz, which is an international waterway.

Ships not related to Iran could still cross the strait, though many operators avoided it due to risk and insurance costs.

Image from CBS News
CBS NewsCBS News

Analysts noted that the US did not have to put ships in the Persian Gulf to enforce the blockade.

Despite the pressure campaign, Iran continued exporting oil.

First Ship Through Since Blockade

The tanker was bound for Basrah, Iraq, carrying an estimated 2 million barrels of oil.

President Trump announced that he was permanently opening the Strait of Hormuz.

Energy analysts said traffic had fallen by more than 90 percent.

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