What percentage of global energy supply flows through the Strait of Hormuz?

Approximately 20% of global petroleum and a significant share of liquefied natural gas (LNG) transit the Strait of Hormuz annually. A closure would immediately constrain energy availability for refineries, power plants, and manufacturing facilities worldwide, triggering price spikes within 24-48 hours.

How does a Strait closure immediately impact freight rates and logistics costs?

Fuel price surges drive up bunker costs for ocean carriers, which immediately translate to fuel surcharges on freight bills. Port congestion increases as vessels slow steam or reroute (adding 1-2 weeks to Asia-Europe transit times), and logistics providers activate capacity surcharges. The ITS Logistics Port/Rail Ramp Freight Index captures these real-time cost escalations.

Which supply chain routes and industries are most vulnerable to a Strait disruption?

Energy-dependent sectors (petrochemicals, steel, aluminum) and long-haul routes (Asia-Europe, Middle East-North America) face the highest risk. Companies in just-in-time manufacturing, automotive, and cold-chain logistics are particularly exposed due to tight inventory buffers and high sensitivity to fuel cost fluctuations.

What immediate actions should supply chain teams take?

Model alternative routing scenarios; negotiate fuel hedges or fixed-rate contracts with carriers; accelerate inventory builds for critical components; review supplier geographic concentration; and activate contingency sourcing from nearshore suppliers. Real-time freight indices like ITS Logistics' should be integrated into daily monitoring.

How long could a Strait closure disrupt global supply chains?

Duration depends on the trigger. A brief blockade could resolve in days but create weeks of secondary congestion and elevated costs. A sustained closure (weeks or months) would necessitate structural rerouting via the Suez Canal or Cape of Good Hope, extending transit times by 7-10 days and permanently altering cost economics until normal flows resume.

Risk & Disruption

Critical

Strait of Hormuz Closure Triggers Global Fuel Crisis in Supply Chains

May 14, 2026

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The signal

A closure at the Strait of Hormuz, through which 20% of global petroleum passes, would trigger a critical supply chain crisis worldwide. The ITS Logistics May Port/Rail Ramp Freight Index shows fuel price volatility already pressuring freight rates across ocean, rail, and last-mile channels. Companies using just-in-time delivery face acute vulnerability as fuel surcharges compress margins and port congestion intensifies. Supply chain leaders must now treat geopolitical chokepoints as primary resilience risks, requiring immediate scenario planning and supplier diversification.

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What This Means for Your Supply Chain

Simulation Suggestion

immediate

What if bunker fuel costs rise 40% due to Strait closure and rerouting requirements?

Simulate a sustained increase in ocean freight fuel surcharges by 40% across major trade lanes (Asia-Europe, Middle East-North America, Intra-Asia). Apply surcharge escalation to carrier contracts and assess margin compression on freight-sensitive product lines. Model alternative sourcing from nearshore suppliers with lower fuel impact.

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Simulation Suggestion

this week

What if Asia-Europe transit times extend from 35 days to 48 days due to rerouting?

Model a 13-day increase in transit time for Asia-Europe ocean routes as vessels reroute from Suez Canal to Cape of Good Hope. Simulate inventory holding cost impacts, safety stock requirements, and demand forecast accuracy degradation. Assess whether expedited air freight becomes economically viable for high-margin SKUs.

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Simulation Suggestion

this month

What if port congestion at Middle East hubs doubles wait times and stalls inventory flow?

Simulate doubling of port dwell times at key Middle East gateways (Jebel Ali, Salalah, Port Rashid) as vessel schedule uncertainty and potential diversion create bottlenecks. Model secondary impacts on warehouse capacity utilization, safety stock levels, and fulfillment SLAs. Evaluate expedited inland logistics and cross-docking strategies.

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Supply Chain Digital Twin: The 2026 Guide

How operators model end-to-end supply chains to see how tariffs, supplier shocks, and regulatory changes ripple across cost, service, risk, and time.

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What This Means for Your Supply Chain

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