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Iran War Ceasefire Fragile as US Rejects Tehran’s Latest Offer

12 May 2026

Shipping traffic in the Strait of Hormuz remained at a standstill on Tuesday, with oil rising after US President Donald Trump rejected Iran’s latest offer and suggested the ceasefire may not hold.

Shipping traffic through the Strait of Hormuz remains at a total standstill this Tuesday as geopolitical volatility intensifies following the rejection of Tehran’s latest ceasefire proposal by US President Donald Trump. With oil prices surging, major carriers like Maersk and MSC are closely monitoring the security situation near the Port of Bandar Abbas. The instability threatens the safety of merchant vessels transiting this critical chokepoint, forcing fleet managers to reassess voyage plans and security protocols for all commercial tankers currently in the region.

The ongoing crisis necessitates strict adherence to the International Ship and Port Facility Security (ISPS) Code, specifically Part A, Section 4, which mandates rigorous security level assessments for vessels operating in high-risk areas. Compliance departments must ensure that Ship Security Plans (SSP) are fully updated in accordance with SOLAS Chapter XI-2 requirements. Failure to maintain these standards during periods of heightened military tension can lead to severe insurance implications, P&I Club coverage disputes, and potential detentions by regional maritime authorities enforcing international maritime security protocols.

Masters and navigating officers must prioritize bridge resource management and maintain heightened situational awareness while transiting the Strait of Hormuz. It is essential to monitor VHF channels for warnings from coalition naval forces and adhere to BMP5 guidance for protection against asymmetric threats. Navigating officers should review emergency communication procedures and ensure that all AIS transponders are configured correctly to reflect the vessel’s security status, ensuring rapid response capabilities if the regional ceasefire collapses further.

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