Marine War-Risk Zones Have Expanded
Insurers updated listed areas globally following a surge of attacks on merchant shipping this year.
Updated on Oct. 5, 2026 in Oil and Gas

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The Joint War Committee of the Lloyd's Market Association has expanded its list of high-risk maritime zones. This action reflects the heightened threat environment facing merchant vessels in the Black Sea, Red Sea, Persian Gulf, and Arabian Sea.
Why it matters
The committee revised these war-risk zones to address the changing threat environment and intensifying attacks on commercial shipping. Consequently, shipping companies now face significantly higher insurance premiums and stricter operational requirements.
Insurers estimate $2 billion in losses related to Middle East conflict, while tanker operators have seen a 40-fold increase in headline war risk premiums for the Strait of Hormuz. More than 100 merchant ships have been attacked across key maritime corridors this year.
The players
Joint War Committee of the Lloyd's Market Association
This body represents the London insurance market and maintains the lists of areas where vessels are subject to additional war-risk premiums.
The details
Vessel operators must notify underwriters before entering these designated zones to maintain coverage, with sanctioned vessels now requiring government licenses for salvage or cleanup operations. Shipping lines are also receiving fewer no-claim bonuses than in periods of relative peace.
Timeline
Late February marked the beginning of the Iran war.
July 29 saw Black Sea war risk premiums peak at $3.7 per barrel.
August 31 recorded 1,226 total sanctioned oil and LPG carriers.
September 30 saw Black Sea war risk premiums ease to $2.9 per barrel.
Market Landscape
The expansion of these zones signals a hardening of the global maritime insurance market as underwriters attempt to price systemic geopolitical volatility into shipping contracts. This shift marks a departure from traditional underwriting models, forcing companies to balance risk mitigation against rising operational expenses.
Consumers may experience increased costs for oil and gas products as shipping firms pass on the burden of higher insurance premiums and operational security requirements. Businesses dependent on global supply chains will likely face tighter windows for cargo movement and more stringent licensing compliance.
The takeaway
The widening of war-risk areas serves as a permanent recalibration of the risks inherent in modern global trade. Vessel operators must remain vigilant about compliance and license requirements to avoid coverage gaps in an increasingly volatile maritime environment.
Further reading
For more information on market impacts, visit the Oil and Gas section.
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