Iran blocks US allied Ships from the Strait of Hormuz

As of mid-March 2026, the Strait of Hormuz was effectively disrupted and largely closed to commercial shipping due to the ongoing U.S.-Israeli war with Iran, which began with strikes on Iran around February 28, 2026.

Iran did not imposed a total, formal blockade on all traffic, but it:

1. Issued warnings via radio and statements that "no ship is allowed to pass" or that the strait is closed.

2. Declared vessels from the United States, Israel, and their allies (including Western nations) as legitimate targets.

3. Attacked or harassed ships attempting transit, including with drones, missiles, and threats of mining.

4. Allowed limited passage for ships from allies like China, Russia, and in some cases India, while restricting or blocking others.

This has resulted in:

1. A massive drop in vessel traffic (e.g., near-halt with only isolated transits reported in recent days).

2. Shipping largely stalled since early March, with tankers avoiding the route due to risks.

About 20% of global oil and significant LNG flows normally passing through the strait being severely impacted.

The U.S. has responded by:

1. Destroying Iranian mine-laying vessels (e.g., reports of 16 struck in early March).

2. Vowing to restore navigation, with President Trump urging allies (China, France, Japan, South Korea, UK, etc.) to send warships for escorts.

3. Downplaying some aspects but acknowledging challenges in reopening it quickly.

Iranian officials (including from the IRGC and Expediency Council) have repeatedly stated the strait will not reopen to U.S. or allied ships without concessions, such as U.S. withdrawal from the region or reparations. 

Threats include ongoing attacks on shipping, pipelines, and energy infrastructure to impose costs.

This is part of a broader conflict involving missile/drone exchanges, strikes on oil sites (e.g., Iran's Kharg Island), and proxy actions. Oil prices have surged significantly, raising global economic concerns, with fears of recession if prolonged.

The situation remains fluid and highly escalatory, with no clear resolution as of March 15, 2026. 

The strait is not physically sealed (e.g., no full minefield confirmed deployed successfully), but the threat environment has made safe transit impractical for most commercial vessels, especially U.S.-allied ones.