Shipping stalls as Tehran dictates terms in Hormuz

Iranian authorities have significantly reduced commercial shipping traffic through the strategic Strait of Hormuz by imposing stringent new maritime regulations, according to shipping data and industry reports from the Persian Gulf region in recent weeks. This slowdown persists despite the implementation of a formal ceasefire agreement between the United States and Iran, with the number of oil tankers transiting the waterway now falling below levels recorded during the most intense periods of recent military conflict. The primary cause appears to be Tehran's assertion of greater sovereign control over the chokepoint, demanding strict compliance with new Iranian navigation, insurance, and inspection protocols that many international shippers find onerous and risky. The new Iranian maritime directives, issued by the country's Ports and Maritime Organization, require all vessels intending to pass through the strait to submit detailed manifests and crew lists 72 hours in advance, accept Iranian pilots in certain zones, and carry insurance certificates from Iranian-approved underwriters. These measures, framed by Tehran as standard safety and environmental regulations, are widely perceived by Western governments and shipping analysts as a form of economic coercion and a strategic lever. The immediate effect has been a pronounced chilling effect on commercial confidence, with many shipping companies opting for longer, more expensive alternative routes around the Arabian Peninsula rather than face potential delays, seizures, or bureaucratic entanglement. This development presents a major challenge to the fragile US-Iran ceasefire, which had aimed to de-escalate tensions and secure global energy flows. The Strait of Hormuz is arguably the world's most critical oil transit corridor, handling roughly one-fifth of global seaborne oil trade. The current de facto blockade, achieved through administrative means rather than overt military action, allows Iran to exert pressure on global oil prices and demonstrate its enduring capacity to disrupt the world economy without technically violating the ceasefire terms. The situation has triggered urgent diplomatic consultations among Gulf Arab states, European energy consumers, and the US administration, which must now navigate a response to this non-kinetic but potent form of economic warfare.