By Andrew Mwangura
The fourth week of the Persian Gulf conflict has brought into sharp relief a reality commercial shipping understands all too well: wars are defined not only by missiles and naval deployments but by signals—political, legal, and economic—that ripple across the maritime domain with equal, if not greater, force.
Today, those signals are deeply mixed. A tentative diplomatic opening led by former US President Donald Trump contrasts uneasily with hardening operational risks in the Strait of Hormuz, while a rapidly tightening bunker market is beginning to exert pressure far beyond the immediate theatre of conflict.
At the centre of the diplomatic effort is a proposed one‑month ceasefire framework, actively pursued by Washington through envoys including Jared Kushner and Steve Witkoff. The plan, reportedly structured as a 15‑point proposal, envisions a temporary cessation of hostilities to create space for broader negotiations.
Its terms are ambitious: Iran would dismantle its nuclear and long‑range missile capabilities, reopen the Strait of Hormuz unconditionally, and sever ties with regional proxy groups. In return, Tehran would receive assistance for its civilian nuclear program and the lifting of international sanctions. The framework echoes earlier diplomatic templates, blending coercive demands with economic incentives, yet its success hinges on mutual trust that remains in short supply.
Hormuz Strait passage conditions
Iran’s response has been measured and carefully calibrated rather than overtly confrontational. In a formal communication addressed to the United Nations Security Council and Secretary‑General António Guterres, and subsequently circulated to the wider maritime community through the International Maritime Organization, Tehran outlined conditions under which certain vessels could continue transiting the Strait of Hormuz.
The offer permits passage for ships deemed “non‑hostile,” provided they coordinate movements in advance and comply with Iranian safety directives. Crucially, this excludes vessels linked to the United States, Israel, and other states Iran identifies as adversarial.
On paper, this suggests a willingness to avoid a total maritime shutdown. In practice, it introduces a layer of political screening incompatible with global shipping, where ownership, chartering, insurance, and cargo interests are often multinational and deeply intertwined. Determining what constitutes a “non‑hostile” vessel is neither straightforward nor commercially viable in real time, and the risk of misclassification alone is sufficient to deter transit.
More critically, the operational environment within the Strait is deteriorating in ways that render diplomatic overtures largely theoretical. Maritime intelligence assessments point to the deployment of naval mines—both traditional moored variants and more sophisticated limpet‑style devices equipped with magnetic and acoustic triggers. These systems introduce an invisible but persistent threat beneath the surface, one that cannot be mitigated through routing decisions or convoy arrangements alone.
Ceasefire preparation
Unlike missile or drone threats, which are episodic and often detectable, mines create a continuous hazard that lingers long after their deployment. Even if a ceasefire were declared tomorrow, the process of surveying, identifying, and clearing mines in a narrow and heavily trafficked waterway like the Strait of Hormuz would take considerable time.
Mine countermeasure operations are inherently slow and resource‑intensive, requiring specialized vessels, coordinated naval efforts, and a high degree of technical precision. Until such operations are completed and verified, insurers are unlikely to restore full coverage, and ship-owners will remain reluctant to commit assets to the route.
This is where the crisis reveals its most consequential dimension: the decisive role of insurance and risk underwriting in shaping maritime flows. In recent weeks, insurers have effectively redrawn the map of global shipping without firing a single shot. War risk premiums have surged, coverage has been withdrawn or restricted, and vessels have been forced to reroute or delay voyages. The result is a de facto constriction of the Strait, not through physical blockade, but through financial and legal constraints that are no less binding.
Parallel to these developments, the bunker market has entered a phase of acute disruption. Very low sulphur fuel oil prices have more than doubled at key global hubs within a matter of weeks, while physical availability has tightened to levels industry veterans describe as unprecedented in recent memory.
War impact on Fujairah
The strategic significance of Fujairah, long regarded as a critical bunkering hub due to its proximity to the Strait of Hormuz, has been severely compromised. As supply chains fracture, demand has been displaced to alternative centres such as Singapore and Rotterdam, placing additional strain on already stretched logistics networks.
What distinguishes the current situation from previous energy shocks is not merely the scale of price increases but the simultaneity of supply disruption and logistical constraint. Fuel is not simply more expensive; it is harder to secure, harder to position, and harder to plan for. This has immediate implications for voyage economics, charter party negotiations, and fleet deployment strategies. For many operators, the traditional assumptions underpinning bunker procurement—predictability, availability, and regional arbitrage—no longer hold.
Industry voices have been unequivocal in their assessment. Market participants with decades of experience have struggled to identify a historical parallel that captures both the speed and magnitude of the current disruption. Descriptions such as “the worst supply shock in living memory” are not employed lightly in a sector accustomed to volatility. They reflect a recognition that the present crisis is not a transient spike but a structural shock with the potential to reshape fuel supply chains over the medium term.
Against this backdrop, advice to shipowners has begun to converge around a set of pragmatic priorities. First, the disruption must be treated as prolonged rather than temporary, with planning horizons extending beyond weeks to months. Second, securing physical fuel supply has become paramount, which may involve entering into longer‑term contracts, diversifying supply sources, or accepting higher upfront costs in exchange for certainty.
Third, flexibility must be built into operational decision‑making, maintaining optionality in port calls, fuel grades, and routing, while investing in more sophisticated procurement strategies that can respond dynamically to market shifts. Yet even these measures have limits. The interconnected nature of global shipping means that disruptions in one region inevitably cascade into others.
Higher bunker costs translate into increased freight rates, which in turn affect commodity prices and supply chains worldwide. For import‑dependent economies, particularly in developing regions, the knock‑on effects can be severe. In this sense, the Strait of Hormuz remains not just a geographic chokepoint but a systemic one, where localized conflict generates global consequences.
Hard lessons for all
Ultimately, the current moment underscores a broader lesson for maritime stakeholders and policymakers alike. Stability in key waterways cannot be taken for granted, and resilience must be built into both physical infrastructure and commercial practices. Diplomatic initiatives such as the proposed ceasefire framework are essential and should be pursued with urgency.
However, they must be complemented by realistic assessments of operational risk and by coordinated international efforts to secure and, where necessary, restore the safety of critical maritime corridors. For now, commercial shipping finds itself navigating an environment defined by uncertainty. Signals of de‑escalation coexist with tangible threats beneath the surface, while economic pressures mount with each passing day. In such conditions, caution is not merely prudent; it is indispensable.
The Strait of Hormuz has not been formally closed, but for many in the industry, it has already become functionally constrained—a stark reminder that in modern maritime conflict, access is as much about assurance as it is about geography.