US Central Command has announced the implementation of a comprehensive maritime blockade against all Iranian ports, scheduled to begin at 10:00 AM ET on April 13, 2026. Following a presidential proclamation, the directive mandates that US forces intercept and halt all maritime traffic entering or exiting Iranian territorial waters. This move represents a dramatic escalation in the long-standing confrontation between Washington and Tehran.
This blockade applies without exception to vessels from all nations, covering every Iranian port facility along the Arabian Gulf and the Gulf of Oman. The move represents the most aggressive posture taken by Washington in decades, shifting from targeted economic sanctions to a physical siege of Iran’s coastal trade. The enforcement will be handled by US Central Command forces stationed in the region.
While the announcement specifies that traffic to non-Iranian ports through the Strait of Hormuz will not be obstructed, the regional tension is palpable. The operational challenge of distinguishing and diverting specific vessels in such a narrow, high-traffic waterway invites significant risk of maritime accidents or military skirmishes. Commercial mariners are expected to receive formal notices regarding safety protocols before the deadline.
International markets are braced for a sharp reaction as this blockade effectively removes Iran from the global oil supply chain. The geopolitical implications are profound, as this act of maritime interdiction pushes the two nations to the precipice of a hot war. The world now watches to see how regional allies and global powers, particularly major energy importers, will respond to this high-stakes maneuver.