Tehran has retaliated against US-Israeli strikes by targeting assets across the Middle East, raising fears that it could move to restrict maritime traffic through the narrow channel that links the Gulf to the Arabian Sea. The waterway lies between Iran to the north and Oman and the United Arab Emirates to the south.
European Union officials told Reuters that commercial vessels transiting the strait have received warnings over very high frequency radio from Iran’s Islamic Revolutionary Guard Corps, stating that no ship would be allowed to pass. Although Iran has not formally declared a closure, several tanker operators have reportedly paused shipments as a precaution.
A vital energy artery
At just 33 kilometres wide at its narrowest point — with shipping lanes roughly three kilometres wide in each direction — the Strait of Hormuz is among the world’s most strategically vulnerable trade routes. Yet it carries an enormous share of global energy supplies.
According to the US Energy Information Administration, about 20 million barrels of oil per day transited the strait in 2024, accounting for roughly one-fifth of global petroleum consumption. The corridor is also critical for liquefied natural gas (LNG), particularly exports from Qatar.
Energy flows through the strait primarily supply Asian markets. China, India, Japan and South Korea collectively account for the majority of crude shipments passing through the channel, making them especially sensitive to price shocks.
Market jitters and tanker delays
Shipping data indicates that scores of oil and LNG tankers have either slowed transit or anchored outside the Gulf amid rising security concerns. The United Kingdom Maritime Trade Operations has reported heightened military activity in the area, including an incident near Oman’s coastal town of Kumzar.
Energy analysts warn that even the threat of closure could roil markets. A sustained disruption would likely trigger a rapid surge in crude prices, potentially pushing them above $100 per barrel.
Higher oil prices would ripple across the global economy, driving up fuel, transport and manufacturing costs while adding pressure to inflation. Economists caution that such a shock could complicate monetary policy decisions worldwide and slow growth, particularly in energy-importing nations.
While no formal blockade has been announced, the mere possibility underscores how geopolitical tensions in one narrow stretch of water can reverberate across global markets within days.
At just 33 kilometres wide at its narrowest point — with shipping lanes roughly three kilometres wide in each direction — the Strait of Hormuz is among the world’s most strategically vulnerable trade routes. Yet it carries an enormous share of global energy supplies.
According to the US Energy Information Administration, about 20 million barrels of oil per day transited the strait in 2024, accounting for roughly one-fifth of global petroleum consumption. The corridor is also critical for liquefied natural gas (LNG), particularly exports from Qatar.
Energy flows through the strait primarily supply Asian markets. China, India, Japan and South Korea collectively account for the majority of crude shipments passing through the channel, making them especially sensitive to price shocks.
Market jitters and tanker delays
Shipping data indicates that scores of oil and LNG tankers have either slowed transit or anchored outside the Gulf amid rising security concerns. The United Kingdom Maritime Trade Operations has reported heightened military activity in the area, including an incident near Oman’s coastal town of Kumzar.
Energy analysts warn that even the threat of closure could roil markets. A sustained disruption would likely trigger a rapid surge in crude prices, potentially pushing them above $100 per barrel.
Higher oil prices would ripple across the global economy, driving up fuel, transport and manufacturing costs while adding pressure to inflation. Economists caution that such a shock could complicate monetary policy decisions worldwide and slow growth, particularly in energy-importing nations.
While no formal blockade has been announced, the mere possibility underscores how geopolitical tensions in one narrow stretch of water can reverberate across global markets within days.
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