Iran Threatens To Block Red Sea And Persian Gulf Shipping Over US Naval Blockade
Image: Ma`lūmāt Mubasher

Iran Threatens To Block Red Sea And Persian Gulf Shipping Over US Naval Blockade

15 April, 2026.Iran.23 sources

Key Takeaways

  • Iran threatens Red Sea, Gulf of Oman, and Persian Gulf shipping if US blockade continues.
  • Iran's military warns continued blockade would violate the ceasefire.
  • Tehran could mobilize Houthis to disrupt regional shipping.

Iran Retaliates Against US Blockade

Iran threatened to block all exports and imports across the Persian Gulf, the Sea of Oman, and the Red Sea if the US continued its naval blockade.

Tehran, Iran – Iranian authorities say a continued United States naval blockade in the Strait of Hormuz could end the current pause in fighting as mediators try to secure a diplomatic solution

Al JazeeraAl Jazeera

Abdollahi warned the US blockade was a precursor to violating the ceasefire.

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Al JazeeraAl Jazeera

The US Central Command announced it had completely halted economic trade going into and out of Iran by sea.

The blockade began on April 13 after Trump announced it following the breakdown of talks.

Some Iran-linked vessels continued to transit the Strait of Hormuz despite the blockade.

Global Trade at Risk

The threat to expand the blockade beyond the Persian Gulf raised alarms across global trade networks.

The Red Sea serves as a key route for Saudi oil exports through the port of Yanbu.

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CBCCBC

The Iranian threat to block the Red Sea would likely involve the Iran-backed Houthi rebels in Yemen.

Maritime consultancies noted that crude oil loadings from Red Sea ports reached record highs in March.

The renewed threat raised the prospect of a renewed campaign against shipping by the Houthis.

Economic Pressure and Diplomacy

The Treasury Department sanctioned an Iranian-linked oil smuggling network.

The White House confirmed that more negotiations with Iran were possible.

The ceasefire was set to expire on April 21.

Trump told Fox Business the Strait of Hormuz is opening and the ships are coming back.

Regional and International Reactions

China urged Iran to help restore normal navigation in the Strait of Hormuz.

Iran's parliament speaker held a rare phone call with UAE Vice President to discuss regional developments.

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The US Senate voted 52-47 against demanding Trump seek Congressional backing for the military operation in Iran.

The situation remained volatile despite the ceasefire.

The blockade and threats added uncertainty for shipping lines and insurers.

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