The Tanker Tonne-Mile Story

20 August 2026
Charles Chasty
Charles Chasty
Head of Research

Crude oil and product tanker markets have diverged significantly following the onset of the Iran war, with crude tanker tonne-miles growing year-on-year for the first time in July. Suezmax and Aframax tonne-miles gained traction from alternate crude supply routes in the Americas and Black Sea amid ongoing disruptions.

Conversely, product tanker tonne-miles have largely faced severe declines, plummeting 24 per cent year-on-year in July, driven by continued losses in the Arabian Gulf and a lack of rerouted volumes.

Estimates indicate a loss of 5 Mn bpd in global refinery capacity, impacting LR2 and LR1 tonne-miles severely, with declines of 54 per cent and 28 per cent respectively. As regional tensions persist, the outlook suggests a continued strain on product tanker volumes, while Suezmax and Aframax fleets may benefit from alternate crude supplier dynamics.

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