Singapore Bunker Supply Continues to Run Down as Middle East War Drags On

Why It Matters

The supply crunch threatens to raise bunker prices, squeeze shipping margins, and could accelerate a shift toward alternative marine fuels worldwide.

Key Takeaways

• Singapore's bunker stock below one month supply.
• Over 50% of fuel imports via Strait of Hormuz.
• Hormuz closure since Feb 28 halts replenishment.
• 2025 sales rose 3.2% to 56.2 Mt.
• Ship refueling continues despite dwindling reserves.

Pulse Analysis

Singapore commands roughly 30% of global marine fuel sales, making it the world’s premier bunkering hub. The city‑state’s strategic location at the crossroads of East‑West shipping lanes allows it to service a diverse fleet, from container vessels to ultra‑large crude carriers. 2% year‑on‑year increase, underscoring resilient demand despite tightening margins. However, the ongoing conflict in the Middle East has exposed the fragility of Singapore’s supply chain, as its primary import artery through the Strait of Hormuz has been effectively shut.

The Strait of Hormuz funnels more than half of Singapore’s bunker imports, a dependency that became a strategic liability when naval hostilities began on Feb 28, 2026. With the waterway closed, tankers are forced to reroute around the Cape of Good Hope, adding up to three weeks and thousands of dollars in fuel costs per voyage. This bottleneck not only depletes Singapore’s on‑hand inventories—analysts now estimate less than a month’s worth of fuel remains—but also pressures global oil prices, as refiners scramble for alternative supplies. The ripple effect reaches charter rates, freight contracts, and ultimately cargo owners.

Shipping lines are now evaluating contingency plans, including pre‑positioning fuel at secondary hubs such as Rotterdam and Fujairah, and negotiating longer‑term contracts with Middle Eastern refiners that can bypass the Hormuz choke point. Regulators in Singapore have urged bunker suppliers to boost transparency on inventory levels, hoping to stabilize the market and reassure vessel operators. While the conflict’s duration remains uncertain, the current supply crunch could accelerate a shift toward low‑sulfur alternatives and even LNG bunkering, reshaping the regional fuel mix. Stakeholders must monitor geopolitical developments closely, as any escalation will reverberate through freight rates and global trade flows.