The US naval blockade of Iranian ports began at 10 am EDT (14:00 UTC), creating what The Guardian described as a 'dual blockade' with Iran blockading the Gulf and the US blockading Iran. CENTCOM said it would not impede vessels transiting to and from non-Iranian ports.
Computed, not asserted — every number here is derived from public data: official EIA Brent closes via FRED, IMF PortWatch transit counts, Polymarket and Kalshi odds, and source-linked curated events. Method and caveats · Atom feed · llms.txt
https://chokepointdata.com/event/2026-04-13-us-naval-blockade-of-iranian-ports-takes-effect/