Guidance for Vessel Transit through the Strait of Hormuz
26 May 2026
Hundreds of vessels remain unable to transit the Strait of Hormuz and, in the event of a return to more normal navigation conditions, the movement of all those vessels within the Strait could represent a considerable navigational hazard. To help mitigate the risk, the industry organisations ICS, BIM
The Strait of Hormuz remains a critical chokepoint for global energy supplies, with hundreds of vessels currently facing significant transit delays. As geopolitical tensions fluctuate, the potential for a sudden surge in maritime traffic poses a severe navigational hazard. Industry bodies, including the International Chamber of Shipping (ICS) and BIMCO, have issued urgent guidance to mitigate risks. Masters and bridge teams must prepare for increased congestion, as the simultaneous movement of delayed tankers and bulk carriers threatens safe passage protocols.
Compliance with the International Maritime Organization (IMO) regulations is paramount during high-risk transits. Specifically, vessels must adhere to SOLAS Chapter V, Regulation 34, regarding the safe navigation and voyage planning requirements. Furthermore, the International Safety Management (ISM) Code necessitates that companies update their Safety Management Systems (SMS) to reflect current regional threat assessments. Classification societies and flag states emphasize that strict adherence to these protocols is mandatory to ensure vessel integrity and operational continuity, preventing potential detentions or insurance complications during transit.
Navigating officers and masters must exercise heightened vigilance, focusing on advanced situational awareness and bridge resource management. It is essential to maintain constant communication with regional maritime security centers and monitor VHF channels for updated instructions. Navigating officers should conduct thorough risk assessments before entering the Strait, ensuring that all radar and AIS equipment is fully operational. Proactive monitoring of traffic density is vital to avoid collision risks when normal navigation conditions eventually resume in this congested waterway.
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