Strait of Hormuz Oil Tanker Attacks Escalate Following Relative Calm

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shipping intelligence and tracking firms Marisks and Kpler confirmed that two very large crude carriers transporting Saudi oil were struck by unknown projectiles in the Strait of Hormuz.

Escalating Maritime Risks in the Omani Corridor

The latest explosions occurred late on Monday as both supertankers transited outbound through the vital Middle Eastern waterway. According to data compiled by Marisks, the Saudi-flagged Sidr took a direct hit from unknown projectiles roughly 16.6 nautical miles northeast of Khasab, Oman, at approximately 7:52 p.m. UTC. Minutes later, the Liberian-flagged Senegal Prosperity sustained three projectile impacts approximately 17 nautical miles east of Khasab, as reported by Marisks and corroborated by the United Kingdom Maritime Trade Operations agency.

Each tanker had loaded two million barrels of Saudi crude at the Juaymah terminal the previous week, according to trade flow metrics from Kpler. Saudi Aramco had only recently resumed oil loadings and sales from inside the strait in August following an earlier period of relative calm. Operations for both vessels face severe disruption, with ship operators Bahri and Sinokor providing no immediate comment on the damage assessments.

“The near-simultaneous incidents represent a further escalation in the threat environment within the Omani corridor,” Marisks stated in an operational brief.

Oil prices climbed on Tuesday following threats of further military strikes delivered by U.S. Mediators from Qatar and Oman have struggled to broker a lasting deal to reopen the strait, which historically carried roughly a fifth of global oil supplies before military strikes disrupted traffic over six months ago.

Broader Conflict Impacts and Regional Spillover

Ship manager Dynacom Tankers Management reported that a Liberia-flagged supertanker, the Acheloos, and a Malta-flagged fuel tanker, the Kavomaleas, were struck by projectiles in the same waterway over the weekend. The Kavomaleas suffered an engine room fire that required crew evacuation, while the Acheloos proceeded to anchorage for safety inspections, according to Dynacom and the UKMTO.

Data from marine intelligence firm MarineTraffic shows that vessel crossings dropped sharply, with only 30 commercial vessels navigating the strait between Friday and Sunday. Mediators have pushed for a new 10-day ceasefire to revive a collapsed 14-point framework from June. However, Iranian leadership, including President Masoud Pezeshkian, has cast doubt on diplomatic overtures, asserting that the country remains locked in a full-scale war.

“For maritime users… the diplomatic track should be treated as contested rather than stabilizing,” said Dimitris Ampatzidis, maritime risk and compliance manager at MarineTraffic, in a market update. “The key question is no longer only whether the MOU can support predictable passage, but whether the parties can re-establish any credible de-escalation mechanism while physical attacks and route uncertainty continue.”

Secondary Chokepoints Face New Embargo Threats

As transit risks compound inside the Gulf, secondary supply routes face parallel threats. Yemen’s Iran-aligned Houthi movement declared an immediate maritime embargo against Saudi shipping, threatening to close the Bab el-Mandeb Strait. According to statements broadcast by Houthi military spokespeople and shared by Nasruddin Amer of the Houthi Media Authority, the embargo intends to restrict Saudi vessels from the crucial southern Red Sea chokepoint.

Maritime intelligence providers note that if the blockade expands to include all cargo of Saudi origin rather than strictly Saudi-owned hulls, every Asia-bound barrel originating from Red Sea ports will face hostile waters.