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Strait of Hormuz Blocked: 61 Supertankers Trapped Amid Tensions

4/22/2026

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Summary

Story summary

The Strait of Hormuz remained blocked on April 21, with three vessels passing in 24 hours.
A U.S. blockade of Iranian ports angered Tehran and led Iran to restrict the strait, which handles one-fifth of the world's oil.
Iran's army said a tanker entered its territorial waters on April 20 despite U.S. threats.
Shipbroker BRS notes that 61 supertankers are trapped, with 50 carrying up to two million barrels each.

History

Historical Context

The Iran-Iraq War, which began in September 1980, significantly impacted oil shipping through the Strait of Hormuz, a vital route for global energy trade. In 2026, escalating tensions led to Iran's blockade of the strait, trapping 61 supertankers and causing oil prices to surge above $100 per barrel, highlighting the strait's critical role in international energy markets and geopolitical stability.

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Story summary

The Strait of Hormuz remained blocked on April 21, with three vessels passing in 24 hours.
A U.S. blockade of Iranian ports angered Tehran and led Iran to restrict the strait, which handles one-fifth of the world's oil.
Iran's army said a tanker entered its territorial waters on April 20 despite U.S. threats.
Shipbroker BRS notes that 61 supertankers are trapped, with 50 carrying up to two million barrels each.

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