Tanker traffic through the Strait of Hormuz has effectively ground to a halt following warnings from Iran and attacks on commercial vessels, creating a dramatic bottleneck in one of the world’s most critical energy shipping lanes. Marine tracking systems confirmed on Monday that vessels were piling up on both sides of the narrow waterway, unable or unwilling to attempt the passage through what has become one of the world’s most dangerous maritime zones.
The scale of the disruption is significant. The Strait of Hormuz carries approximately one-fifth of global oil supplies and a substantial share of global LNG shipments. When tanker traffic through the strait is disrupted, the effect on global energy markets is immediate and far-reaching. Oil prices surged as much as 13% on Monday, while gas prices rose more than 40% in European markets, reflecting the scale of the perceived supply threat.
Two commercial vessels were attacked in the strait over the weekend — one near Oman and another near the United Arab Emirates. The attacks were confirmed by maritime security agencies. The International Maritime Organization urged all shipping companies to exercise maximum caution and called on vessels to avoid the region where possible. Shipping giant Maersk announced it was suspending transits through both the Strait of Hormuz and the Suez Canal for safety reasons.
The economic consequences of even a brief closure of the strait are substantial. Oil analysts warned that prices could exceed $100 a barrel if normal flows are not restored quickly. Gas prices, already elevated by the shutdown of Qatar’s production facilities, could climb further as buyers compete for scarce supplies. The combination of blocked oil shipping and reduced LNG supply creates a compounding crisis for global energy markets.
For energy policymakers and oil-importing nations, the Hormuz crisis represents the materialization of a long-feared risk scenario. Energy security planners have long identified the strait as the single most critical vulnerability in global energy supply chains. Its effective closure, even temporarily, demonstrates just how exposed the world remains to disruption at this narrow but enormously consequential chokepoint.