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On Tuesday, shipping data from LSEG and Kpler confirmed that at least three tankers entered the Gulf via the Strait of Hormuz, including the Panama‑flagged Peace Gulf, which is bound for Hamriyah port in the United Arab Emirates. Earlier that day, two U.S.–sanctioned vessels, the Rich Starry and the Elpis, also transited the waterway. Because none of these ships were destined for Iranian ports, they remain exempt from the U.S. blockade that began on Monday. The U.S. Central Command (CENTCOM) announced that, as of 10 a.m. ET (14:00 GMT) on Monday, a naval blockade was in effect against all maritime traffic to and from Iranian ports, in line with the presidential order issued by former President Trump. The directive applies to "vessels of all nations" operating in Iranian coastal waters, including the Arabian Gulf and the Gulf of Oman. Tehran has warned of possible retaliation against ports in neighboring Gulf states. In response to the blockade, the Islamic Revolutionary Guard Corps (IRGC) ordered every ship to follow a newly‑drawn navigation map that forces vessels to enter the strait north of Larak Island and exit south of it, citing the risk of anti‑ship mines in the former main traffic zone. Before the conflict, the strait functioned like a divided highway with two dedicated lanes—each about 3.2 km long—carrying roughly one‑fifth of the world’s oil and gas shipments. The IRGC now classifies the original lanes as "restricted" and has effectively closed them. Ship traffic has collapsed by **more than 95 %** since the war began. Kpler’s tracking data shows that only **279 vessels** passed through the strait between Feb. 28 and Apr. 12, a stark contrast to the pre‑war average of around **100 ships per day**. Even after a cease‑fire took effect on Apr. 8, a mere **45 ships** have entered or exited the waterway. The disruption has left hundreds of tankers and other vessels stranded in the Gulf, slashing global oil and gas supplies by an estimated **20 %**—the largest fuel‑supply shock on record. Damage to Gulf energy infrastructure and the sharp reduction in shipments have pushed crude prices up by roughly **50 %**, with Asian importers bearing the brunt of the price spike. According to the same Kpler data, **22 ships** have been attacked in the Strait of Hormuz since the conflict started. The incidents are distributed as follows: eight in United Arab Emirates waters, six in Omani waters, two each in Iraqi and Qatari waters, and one each in Bahraini, Kuwaiti, Saudi and Iranian waters. These figures underscore the strategic vulnerability of the world’s most critical energy chokepoint and highlight how the combined effect of the U.S. naval blockade and Iran’s alternate routing has reshaped global shipping patterns and commodity markets.

The Food and Agriculture Organization (FAO) has issued a stark warning: if the Strait of Hormuz remains blocked by the ongoing US‑Israel conflict with Iran, the world could face a food ‘catastrophe’. The disruption is already halting shipments of vital agricultural inputs, a situation that could quickly cascade into higher food prices. FAO chief economist Maximo Torero told Al Jazeera that, for now, food prices have stayed stable because existing stockpiles are absorbing the shock. However, he cautioned that this buffer is temporary and that “the clock is ticking.” FAO agrifood economics director David Laborde added that if traffic does not resume, the resulting strain on energy and fertilizer markets will translate into “higher commodity and retail prices later this year and into 2027.” According to the FAO, 20‑45% of key agrifood inputs—including fertilizers, pesticides and feed—depend on maritime passage through the Hormuz chokepoint. Nearly half of the world’s traded urea, the most widely used fertilizer, also moves through the strait, making global agriculture highly vulnerable. Recent gas supply disruptions have already forced fertilizer plants in the Gulf and beyond to cut or halt production, raising concerns that farmers may have to reduce fertilizer use or face higher production costs. Torero emphasized that poorer countries are especially at risk because planting calendars leave little room for delays; a slowdown in input delivery could quickly lead to “lower output, higher inflation and slower global growth.” The blockade stems from Iran’s decision to bring traffic to a near‑total halt in retaliation for attacks by the United States and Israel, which launched a war on Tehran on 28 February, resulting in the death of Supreme Leader Ayatollah Ali Khamenei. The conflict has already doubled oil and gas prices compared with pre‑war levels. Negotiations between Iranian and US representatives over a 21‑hour marathon failed to secure a permanent ceasefire. Subsequently, US President Donald Trump announced a naval blockade, stating that the navy would interdict ships in international waters that had paid Iran a toll to traverse the strait. The US military later declared it would block all maritime traffic entering and exiting Iranian ports, including those in the Gulf and the Gulf of Oman. FAO officials stress that decisive action—both a sustained ceasefire and the reopening of the waterway—is essential to prevent the looming food crisis from becoming a full‑blown catastrophe.

The United States military confirmed that, beginning at 10 a.m. Eastern Time (14:00 GMT) on April 13, all maritime traffic entering or leaving Iranian ports will be blocked. The directive, issued by U.S. Central Command (CENTCOM), targets vessels of every nation operating in the Gulf and the Gulf of Oman, but explicitly excludes ships merely transiting the Strait of Hormuz to non‑Iranian ports, marking a narrower scope than former President Donald Trump’s broader strait‑wide threat. This decisive action follows the abrupt end of marathon peace talks in Islamabad, where negotiators failed to secure a memorandum of understanding with Tehran. The stalemate has revived fears of renewed hostilities, prompting the U.S. to leverage maritime pressure as a bargaining chip. Financial markets reacted sharply: U.S. crude oil prices surged 8 % to $104.24 per barrel, while the benchmark Brent crude rose 7 % to $102.29. The spikes reflect investor anxiety over potential disruptions to the flow of oil and liquefied natural gas that currently passes through the Strait of Hormuz, a chokepoint responsible for roughly one‑fifth of global energy shipments. Since the February 28 launch of a joint U.S.–Israel operation against Iran, the strait’s traffic has dwindled to a trickle. Iran continues to navigate its own vessels and has allowed limited passage for foreign ships, while discussing a post‑conflict toll system for the waterway. In response to the blockade threat, Iran’s Islamic Revolutionary Guard Corps warned that any U.S. warship attempting to enforce the measure would breach the existing U.S.–Iran ceasefire—set to expire on April 22—and would be "dealt with severely." Iranian Foreign Minister Abbas Araghchi blamed the United States for the diplomatic failure, accusing U.S. negotiators of "shifting the goalposts" when a deal was "just inches away." Academic commentary echoed regional concerns. Zohreh Kharazmi, an associate professor at the University of Tehran, asserted that the United States "is not in a position to dictate" Iranian maritime movements and warned that a prolonged standoff would quickly reveal which side—"the resilience of the Islamic Republic or the resilience of global markets"—would suffer first. While the blockade targets Iranian ports, CENTCOM emphasized that it will not impede freedom of navigation for vessels merely passing through the Strait of Hormuz, a subtle but significant concession aimed at avoiding a full‑scale maritime confrontation.

Effective 10:00 a.m. ET (14:00 GMT) today, the United States military will block all maritime traffic entering and exiting Iranian ports through the Strait of Hormuz, a move that marks a significant escalation in regional tensions. The directive, announced by U.S. defense officials, aims to prevent any vessel—commercial or otherwise—from using the narrow waterway that links the Persian Gulf with the Gulf of Oman. By sealing off the strait, Washington seeks to exert pressure on Tehran amid ongoing diplomatic disputes. In response, Iran’s Islamic Revolutionary Guard Corps (IRGC) issued a stark warning: any military vessel that approaches the strait will be deemed a breach of the cease‑fire and will be "dealt with severely". The IRGC’s statement underscores the risk of a rapid military confrontation should either side perceive a violation. Analysts note that the Strait of Hormuz handles roughly 20% of global oil shipments, so a full blockade could disrupt international energy markets and amplify economic uncertainty worldwide. The action also raises questions about the legal basis for such a blockade under international maritime law. Both the United States and Iran have signaled that the situation remains fluid, and further developments are expected as diplomatic channels attempt to defuse the standoff.

Iran has declared that the Strait of Hormuz, a vital passage for global oil shipments, is open but with certain limitations. The strait, which connects the Persian Gulf to the Gulf of Oman, is a crucial route for oil exports from countries such as Iran, Saudi Arabia, and the United Arab Emirates.The new restrictions come amid heightened tensions in the region, with Iran seeking to assert its control over the strategic waterway. Despite the limitations, shipping and trade activities are expected to continue, albeit with increased scrutiny and regulation.

The strategic Strait of Hormuz, linking the Persian Gulf to the Gulf of Oman, has become the focal point of the Israel‑U.S. war on Iran that began in February. In peacetime the narrow waterway handled about 20% of global oil and liquefied natural gas shipments without any tolls, but the conflict has turned it into a contested zone. After a series of Israeli and U.S. strikes, Iran retaliated by targeting merchant vessels it deemed hostile, effectively shutting the passage and triggering one of the most severe energy‑distribution crises in recent memory. While a two‑week ceasefire, brokered by Pakistan, was declared on Tuesday, Tehran has issued a set of official terms that would govern the strait moving forward. According to Iran’s foreign minister Abbas Araghi, safe passage will be allowed in coordination with the Iranian armed forces and subject to technical limitations. The Islamic Revolutionary Guard Corps (IRGC) has even published a new navigation map that pushes traffic farther north, away from the traditional route near Oman’s coast, citing the risk of anti‑ship mines. Central to Tehran’s 10‑point peace proposal is the idea of charging fees for strait usage. Iranian media report that the plan could levy up to $2 million per vessel—a sum to be shared with Oman—or a charge of $1 per barrel of oil shipped. The revenue would allegedly fund reconstruction of military and civilian infrastructure damaged by the U.S.–Israeli campaign. Oman has publicly rejected any toll scheme, with Transport Minister Said Al‑Maawali reminding that the country has already signed all relevant international maritime transport agreements that prohibit such fees. International law adds another layer of complexity. The United Nations Convention on the Law of the Sea (UNCLOS) prohibits levying charges for mere passage through international straits, allowing fees only for services like navigation assistance or port use. Neither the United States nor Iran have ratified UNCLOS, but the principle remains a benchmark for maritime norms. Analysts suggest a possible workaround: charging for de‑mining and safety services rather than for passage itself, which could be permissible under existing legal frameworks. The proposal has sparked diplomatic pushback. At the United Nations Security Council, Bahrain led a resolution urging coordinated reopening of the strait, backed by Qatar, the UAE, Saudi Arabia, Kuwait, and Jordan. The resolution passed with 11 of 15 votes, but was vetoed by Russia and China, who argued it unfairly targeted Iran and ignored the initial strikes. Beyond the region, the United States is unlikely to accept indefinite tolls. Former President Donald Trump, who announced the ceasefire, warned that U.S. forces would remain in the area and threatened to resume attacks if negotiations faltered. American troops are reportedly “hanging around” to assist with traffic buildup, though the extent of their operational control remains unclear. Maritime analyst C. Uday Bhaskar notes that only three to five ships have traversed the strait since the ceasefire began, underscoring the lingering uncertainty for global shippers. He adds that ship owners facing multi‑million‑dollar losses each day may ultimately acquiesce to Iran’s terms, at least temporarily. Should Iran implement a toll regime, the immediate impact would fall on Gulf oil‑producing nations, but the ripple effects could destabilize global energy markets, already strained by supply shocks. Major powers such as the United Kingdom have been coordinating with a coalition of 40 countries to explore alternative mechanisms for reopening the waterway without conceding to tolls. In sum, Iran’s proposed protocol for the Strait of Hormuz introduces a contentious new variable into an already volatile geopolitical landscape, pitting national security interests against established maritime law and the broader stability of world energy supplies.

The Middle East conflict is having a profound impact on maritime workers, port staff, and shipping crews. The Strait of Hormuz, one of the world's busiest maritime routes, remains affected despite a temporary ceasefire between the US and Iran.Maritime traffic through the narrow channel linking the Persian Gulf with the Gulf of Oman continues to face delays, diversions, and heightened security risks as the situation evolves. Ports and shipping companies are operating amid uncertainty, while cruise ships carrying thousands of tourists have faced disruption across the region.The Guardian is inviting maritime workers, port staff, and shipping crews to share their experiences of how the conflict is affecting their work. The outlet is providing a confidential form and messaging channels for those who wish to contribute their stories anonymously.Key concerns for maritime workers include:Delays and diversions due to the conflictHeightened security risks for vessels and crewsImpact on livelihoods and work operationsThe Guardian's initiative aims to shed light on the human impact of the conflict on those working in the maritime industry.

The Strait of Hormuz, a critical passage for global oil shipments, has become a focal point of international tension. There are growing concerns about the possibility of military intervention to ensure its reopening, following recent developments in the region. The strait, which connects the Persian Gulf to the Gulf of Oman, is vital for the global economy, with a significant portion of the world's oil supply passing through it. Any disruption to this waterway could have far-reaching impacts on global energy markets and economic stability. While details about specific plans for military action remain scarce, the international community is closely monitoring the situation, aware of the potential for conflict to escalate. Diplomatic efforts are underway to address the underlying issues and find a peaceful resolution. The situation in the Strait of Hormuz is a critical juncture for international relations, with implications extending beyond the region. The global community remains vigilant, hoping for a peaceful outcome that ensures the free flow of commerce and stability in this vital region.

Closing the Strait of Hormuz has choked a vital artery that carries roughly one‑fifth of the world’s crude oil and LNG, sending energy prices soaring and unsettling global trade. Even if the waterway reopens tomorrow, analysts say the ripple effects will endure for months. Nils Haupt, senior director of corporate communications at German carrier Hapag‑Lloyd, told Al Jazeera that the end of hostilities does not equate to the end of logistics challenges. “Once the bombardments stop, the real work begins,” he said, noting that hundreds of vessels will scramble for berths in Persian Gulf ports, creating a prolonged bottleneck for containers and bulk cargo. According to the International Maritime Organization, about 2,000 ships are currently stranded because of Iran’s partial blockade, with only a handful of vessels from “friendly” nations granted passage. Maritime‑intelligence firm Windward estimates that roughly 400 of those ships are anchored in the Gulf of Oman, waiting for a green light. Diverted traffic has already forced many carriers to reroute via the Suez Canal or take the far longer Cape of Good Hope passage, inflating transit times and costs for shipments bound for Asia and Europe. Oil exports from Saudi Arabia are now being sent around the Red Sea, bypassing the strait entirely. Svein Ringbakken, managing director of the Norwegian Shipowners’ Mutual War Risks Association, cautioned that even with ports operating at full capacity, clearing the backlog of oil, gas and other goods will take months. He added that repeated attacks on regional energy and transport infrastructure have compounded the problem. The International Energy Agency reports that more than 40 energy assets across the Middle East have suffered “severe or very severe” damage, prompting companies such as QatarEnergy, Kuwait Petroleum Company and Bahrain’s Bapco Energies to declare force majeure. Beyond the immediate loss of flow, the shutdown has disrupted exports of petrochemicals, fertilisers and raw materials essential for plastics production, further straining global supply chains. Industry leaders warn that the risk landscape has fundamentally shifted. SV Anchan, chairman of US‑based logistics group Safesea, highlighted the rise of asymmetric threats, including unmanned vessel attacks, which have already accounted for at least 18 confirmed assaults since the conflict began. “A full reopening will only bring normalcy after a sustained period of stability and credible security guarantees,” Anchan said. Insurance costs have exploded as a result. Marco Forgione of the Chartered Institute of Export & International Trade noted that hull and cargo premiums have surged up to 300 %, a pressure point that could force shipping firms to curtail operations if rates remain high. Oscar Seikaly, CEO of NSI Insurance Group, stressed that war‑risk coverage will only normalize when a “truly permanent” security solution is in place, not a partial one. Recent data from Lloyd’s List show that a few vessels have managed to obtain Tehran’s permission to transit, with one ship reportedly paying $2 million for the right to pass. Iranian lawmakers have also moved to formalise transit fees for the strait. Nick Marro, lead global‑trade analyst at the Economist Intelligence Unit, warned that the security guarantees demanded by shippers may be hard to meet, citing the volatile Red Sea experience where commercial traffic remains below pre‑2023 levels. Marro predicts that the Hormuz shutdown will accelerate a broader trend of route diversification, similar to the supply‑chain shifts triggered by the COVID‑19 pandemic. “Geopolitical uncertainty will become a permanent feature of risk management, not a temporary reaction,” he said. Seikaly echoed this outlook, suggesting that exporters will increasingly explore alternative corridors for strategic and political reasons, ultimately reducing traffic through the Strait of Hormuz over the long term.