Russia Weighs Baltic Leverage as Hormuz Closure Reshapes Global Oil Routes
Hormuz closure has stripped an estimated 1 billion barrels from global supply since late February; analysts are now examining Russia's equivalent chokepoint leverage in Baltic waters.
The Strait of Hormuz closure has removed an estimated 1 billion barrels of crude oil from global markets since the conflict began in late February, according to Saudi Aramco chief executive Amin Nasser, with each additional week of disruption stripping approximately 100 million barrels more from available supply. ICE Brent crude front-month was trading at $85.14 as of Tuesday (2026-07-14), while Urals crude sits at $53.71, a discount of more than $31 that reflects the fractured geography of a market operating around multiple simultaneous disruptions.1
The parallel now being drawn by defence and energy analysts involves Russia's position in the Baltic. Russia channels roughly 60% of its seaborne crude oil exports through Baltic waters, with the Danish straits accounting for 35% of total crude export volumes and the Turkish straits another 20%, the Economist reported in May. Any western move to restrict Russian shadow-fleet tanker access through the Danish straits would, by Moscow's own assessment, constitute an act of war. That is not a framing Moscow has kept private.5,6
Before US and Israeli strikes on Iran, 56 tankers sailed through the Strait of Hormuz each day. Within two days of those strikes, Lloyd's List, the maritime industry's journal of record, counted a sharp reduction in transit numbers. The disruption that followed was not gradual.8
Saudi Aramco has responded by rerouting more than 5 million barrels per day through Red Sea terminals and alternative export channels. Existing alternative infrastructure can handle approximately the same maximum volume, leaving almost no buffer if secondary routes face their own pressures.1
The Red Sea itself carries about 10% of global seaborne trade, including nearly 8% of the world's liquefied natural gas. Freight markets retain a clear memory of how quickly a secondary chokepoint can amplify pressure on a primary one.4
Russia's potential leverage differs from Iran's in structure. Tehran closed Hormuz because its own oil exports route via pipeline to terminals bypassing the strait. Moscow lacks that option in the Baltic; it needs those lanes open and earns hard currency through them. The threat would instead run through hybrid operations: harassment of NATO undersea infrastructure, interference with shipping, attacks on pipelines and cables below the waterline. Tracking what happens beneath the surface is far harder than monitoring vessels by radar or satellite, even those running without transponders, and that surveillance gap makes seabed terrain the most effective arena for deniable escalation.6
IEA executive director Fatih Birol told an audience at Chatham House in London on Thursday (2026-05-21) that falling inventories, missing Middle Eastern supply and rising summer demand were pushing the oil market into what he called the "red zone." With ICE Brent front-month at $85.14, markets are pricing significant but not worst-case disruption.7
Meanwhile, the energy shock from the Hormuz closure may be reopening a different strategic door for Moscow. Analysts told Radio Free Europe/Radio Liberty in May that Beijing's interest in the long-stalled Power of Siberia 2 pipeline had revived, as Chinese buyers sought alternatives to LNG cargoes transiting disrupted routes. If those pipeline negotiations advance, Russia's dependence on Baltic export routes becomes tactically less acute, and its appetite to test NATO's tolerance in European waters potentially more so.2,3
The Danish government has not publicly defined thresholds for restricting shadow-fleet access, and NATO's undersea monitoring in the Baltic remains a gap that allied governments acknowledge but have not closed. Radars and satellites can track surface shipping, including vessels running without transponders. Below the surface, attribution takes weeks and the capacity to interdict is far less certain.6
The immediate arithmetic depends on how long Saudi Arabia can sustain rerouted export volumes at current levels. Aramco's pledge needs to hold for months, not weeks, before the cumulative barrel shortfall from Hormuz stops widening. Whether Moscow moves from observing the Hormuz precedent to testing a Baltic equivalent will depend in part on where Western military and political attention remains concentrated when that calculation matures.1,8