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    Iran Closes Strait of Hormuz Again Amid Ongoing US Naval Blockade

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    Iran Closes Strait of Hormuz Again Amid Ongoing US Naval Blockade

    Here's what it means for you.

    Rising oil prices could impact your business costs and economic stability.

    What happened

    Iran's military declared the Strait of Hormuz closed again on April 18, 2026, in response to the US naval blockade of Iranian ports.

    The Context

    • Vital Waterway: The Strait of Hormuz is crucial for global oil transport, with about 20% of the world's oil passing through daily.
    • Escalating Tensions: This closure follows a US-Israeli military campaign against Iran and complicates ongoing peace negotiations mediated by Pakistan.
    • Market Reactions: Oil prices surged over 6% following the reclosure, reflecting heightened supply fears and economic uncertainty.

    The Number

    20%

    — This is the share of the world's oil and liquefied natural gas that transits the Strait of Hormuz daily, underscoring its significance in global energy markets.

    Takeaway

    Expect continued volatility in oil prices and potential disruptions in supply chains as geopolitical tensions escalate.

    Insights by A47 Intelligence

    34 Articles
    Al-Monitor

    Tit-for-tat blockades once again cripple traffic in Hormuz

    Traffic in the Strait of Hormuz has once again been severely disrupted as Iran and the United States imposed blockades, with Iranian vessels testing the U.S. shutdown. Iran had briefly reopened the strait but closed it again, warning that any approac...

    18 hours ago
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    Gulf News

    US warships step up blockade as Iran tightens grip on Strait of Hormuz

    US warships have intensified their blockade in the Strait of Hormuz as Iran has once again declared the strait closed, leading to the abandonment of navigation attempts by numerous commercial vessels. This closure follows a brief reopening and is att...

    Gulf News

    US warships step up blockade as Iran tightens grip on Strait of Hormuz

    US warships have intensified their blockade in the Strait of Hormuz as Iran has once again declared the strait closed, leading to the abandonment of navigation attempts by numerous commercial vessels. This closure follows a brief reopening and is att...

    Asharq Al-Awsat

    إغلاق «هرمز» مجدداً يعقّد المفاوضات

    Iran has once again closed the Strait of Hormuz after briefly reopening it, demanding an end to the U.S. blockade on its ports. This move complicates ongoing negotiations and raises tensions in the region.

    Al Bilad

    وسط تصاعد التوتر مع واشنطن.. إيران تعيد فرض القيود على مضيق هرمز

    In a significant development reflecting ongoing tensions in a crucial global maritime corridor, the Iranian Revolutionary Guard announced the re-imposition of restrictions on the Strait of Hormuz, reversing a previous decision to reopen it to commerc...

    NBC News

    Iran declares Strait of Hormuz closed in response to U.S. Navy blockade

    Iran has declared the closure of the Strait of Hormuz, reversing its earlier announcement of the waterway being open, following alleged gunfire on two ships attempting to transit. This decision is attributed to the ongoing U.S. Navy blockade on Irani...

    The Wall Street Journal

    Iran’s Hard-Liners Flex Their Muscle With a U-Turn Over Hormuz

    Iran's hard-liners have recently reversed their stance on the Strait of Hormuz, declaring it closed to maritime traffic amid rising tensions with the U.S. and internal divisions within the regime, particularly involving the Revolutionary Guard. This ...

    The Wall Street Journal

    Iran’s Hard-Liners Flex Their Muscle With a U-Turn Over Hormuz

    Iran's hard-liners have taken a decisive stance by reasserting control over the Strait of Hormuz, declaring it closed once again due to the ongoing U.S. naval blockade of its ports. This move complicates the already strained diplomatic relations betw...

    Al Jazeera

    Iran reasserts control of Hormuz Strait as Trump warns against ‘blackmail’

    Iran has reasserted control over the Strait of Hormuz, declaring it closed again due to the ongoing U.S. naval blockade of its ports. This decision was announced by top negotiator Mohammad Bagher Ghalibaf, who criticized the blockade as a 'clumsy and...

    Al Jazeera

    Iran reasserts control of Hormuz Strait as Trump warns against ‘blackmail’

    Iran has reasserted control over the Strait of Hormuz, declaring it closed again due to the ongoing U.S. naval blockade of its ports. This decision was announced by top negotiator Mohammad Bagher Ghalibaf, who criticized the blockade as a 'clumsy and...

    Al Khaleej

    إيران تعيد اختطاف «هرمز» وتعسكر الملاحة البحرية

    Tensions have escalated in the Strait of Hormuz as Iran announced a partial reopening for maritime navigation, only to subsequently close it again. This development occurred on Saturday, highlighting the ongoing volatility in the region.

    RT Arabic

    الحرس الثوري الإيراني: إغلاق مضيق هرمز بسبب الحصار البحري المفروض على السفن والموانئ

    The Iranian Revolutionary Guard Corps announced the closure of the Strait of Hormuz due to a maritime blockade imposed on Iranian ships and ports, stating that any vessel approaching the strait would be considered as cooperating with the enemy.

    RT Arabic

    طهران: مضيق هرمز تحت سيطرة الحرس الثوري الإيراني الكاملة وهو مغلق حاليا

    Iranian President's aide, Mehdi Tabatabai, announced that the Strait of Hormuz is currently under the complete control of the Iranian Revolutionary Guard and is closed, despite Iran's previous conditional allowance for passage to demonstrate goodwill...

    Business Insider (Non-Premium)

    Iran's military says it has placed the Strait of Hormuz under strict control again

    Iran's military has announced that it has reasserted strict control over the Strait of Hormuz, accusing the United States of engaging in acts of piracy due to its ongoing blockade of Iranian ports. This action follows a series of tensions and accusat...

    International Business Times

    Strait Of Hormuz: Expert Claims US Blockade Violates Laws Of Naval Warfare

    A legal expert has claimed that the U.S. naval blockade in the Strait of Hormuz constitutes an unlawful blockade under international law, while Iran's actions to control shipping lanes may be legally defensible, albeit contentious.

    The Guardian

    Iran closes strait of Hormuz again ‘until US lifts blockade’

    Iran has closed the Strait of Hormuz again, reversing a brief reopening, as tensions escalate following the U.S. refusal to lift its blockade on Iranian ports. The Iranian military stated that the strait will remain closed until the blockade is lifte...

    Asharq Al-Awsat

    إيران تعيد إغلاق مضيق هرمز وسط ضبابية تفاوضية

    Iran has reinstated restrictions on the Strait of Hormuz, just one day after a limited reopening of the maritime passage, accusing the United States of continuing its blockade on Iranian ports.

    Al-Monitor

    Trade ships hit in Hormuz as Iran recloses strait

    On Saturday, Iran's military announced the closure of the Strait of Hormuz, just hours after it had been reopened for commercial shipping. This sudden reversal has led to threats and gunfire directed at commercial vessels attempting to navigate this ...

    Saudi Gazette

    Iran says Hormuz under strict control despite reopening remarks

    The Islamic Revolutionary Guard Corps (IRGC) announced that the Strait of Hormuz is under strict control by Iran's armed forces, citing a U.S. blockade on Iranian ports. This statement follows Iranian Foreign Minister Abbas Araghchi's remarks that th...

    France 24 Middle East

    Strait of Hormuz : Iran to block transit until US lifts its blockade

    Iran has once again closed the Strait of Hormuz, just hours after a brief reopening, citing the United States' failure to adhere to an agreement regarding its blockade on Iranian ports. This closure affects the transit of numerous commercial vessels ...

    France 24

    Strait of Hormuz : Iran to block transit until US lifts its blockade

    Iran has once again closed the Strait of Hormuz, just hours after a brief reopening, citing the United States' failure to adhere to an agreement regarding its blockade on Iranian ports. This closure affects the transit of numerous commercial vessels ...

    The Hill

    Iran restores 'strict management' of Hormuz Strait as US blockade persists

    Iran has reinstated strict control over the Strait of Hormuz, citing the ongoing U.S. naval blockade as the reason for this decision. The Islamic Revolutionary Guard Corps announced that the strait would revert to its previous management state, inten...

    Emirates 24|7

    Two vessels report gunfire after Iran shuts Strait of Hormuz Two vessels report gunfire after Iran shuts Strait of Hormuz

    On Saturday, two merchant vessels reported gunfire while attempting to cross the Strait of Hormuz, which Iran's military had declared closed shortly after reopening it. The Iranian navy issued radio warnings to ships, prohibiting passage unless they ...

    Al Jazeera

    Iran closes Strait of Hormuz again over US blockade of its ports

    Iran has once again closed the Strait of Hormuz, citing the ongoing U.S. blockade of its ports as the reason for this decision. This closure comes shortly after a brief reopening, during which two Indian ships reportedly came under fire, highlighting...

    Al Jazeera

    Iran closes Strait of Hormuz again over US blockade of its ports

    Iran has once again closed the Strait of Hormuz, citing the ongoing U.S. blockade of its ports as the reason for this decision. This closure comes shortly after a brief reopening, during which two Indian ships reportedly came under fire, highlighting...

    HuffPost

    Iran Fully Closes Strait Of Hormuz Over U.S. Blockade And Fires On Ships

    Iran has fully closed the Strait of Hormuz, a critical maritime route for global oil transport, following a U.S. blockade and recent attacks on ships in the area. This closure comes after a brief reopening, which had allowed some commercial vessels t...

    Okaz

    إيران تصعد في هرمز وترفض جولة مفاوضات ثانية مع واشنطن

    In a significant escalation, Iranian Revolutionary Guard boats reportedly fired upon a tanker and a commercial vessel near the Strait of Hormuz, with the British Maritime Trade Operations confirming the crew's safety. The incident occurred approximat...

    New York Post

    Iran reimposes restrictions on Strait of Hormuz, accusing US of violating deal to reopen it

    Iran has reimposed restrictions on the Strait of Hormuz, reversing its earlier decision to reopen the vital waterway after the U.S. announced it would maintain its blockade on Iranian-linked shipping. This decision reflects ongoing tensions between I...

    Khaleej Times

    Iran closes Hormuz Strait again over US blockade with ships mid-transit

    Iran has once again closed the Strait of Hormuz, a vital maritime route, in response to ongoing tensions stemming from a U.S. blockade aimed at limiting Iran's nuclear capabilities. This closure follows a brief reopening that allowed some ships to na...

    Okaz

    بعد 24 ساعة فقط.. إيران تتراجع وتعلن إعادة إغلاق مضيق هرمز

    Iran has reversed its earlier position and announced the reclosure of the Strait of Hormuz, citing ongoing U.S. sanctions as the reason. The Iranian military spokesperson confirmed that the strait would remain under strict surveillance and control by...

    Gulf News

    Iran reimposes restrictions on Strait of Hormuz over US blockade: What to know

    Iran has reimposed restrictions on the Strait of Hormuz, declaring it closed again shortly after a brief reopening, which has caused numerous commercial vessels to abandon their navigation attempts. This closure is a direct response to ongoing tensio...

    Gulf News

    Iran reimposes restrictions on Strait of Hormuz over US blockade: What to know

    Iran has reimposed restrictions on the Strait of Hormuz, declaring it closed again shortly after a brief reopening, which has caused numerous commercial vessels to abandon their navigation attempts. This closure is a direct response to ongoing tensio...

    France 24 Middle East

    Iran declares the Strait of Hormuz 'completely open' amid fragile ceasefire

    Iran has declared the Strait of Hormuz 'completely open' for commercial shipping, coinciding with a fragile ceasefire between Israel and Lebanon. This announcement has led to a significant drop in oil prices, as shipping firms express caution while s...

    France 24

    Iran declares the Strait of Hormuz 'completely open' amid fragile ceasefire

    Iran has declared the Strait of Hormuz 'completely open' for commercial shipping, coinciding with a fragile ceasefire between Israel and Lebanon. This announcement has led to a significant drop in oil prices, as shipping firms express caution while s...

    Asharq Al-Awsat

    Iran Command Says Has Closed Hormuz Again over US Blockade

    Iran's military has declared the Strait of Hormuz closed again, just hours after a brief reopening, citing the ongoing U.S. blockade of its ports as the reason for this decision. This closure has forced numerous commercial vessels to abandon their na...

    Asharq Al-Awsat

    إيران تعيد إغلاق «هرمز»... وتتهم أميركا بـ «انتهاك الاتفاق»

    Iran has reinstated restrictions on the Strait of Hormuz, accusing the United States of violating an agreement regarding its reopening, according to the Associated Press. This decision reflects ongoing tensions between the two nations and highlights ...

    Al Khaleej

    إيران تعيد إغلاق مضيق هرمز

    The Iranian Revolutionary Guard Corps announced on Saturday the reclosure of the Strait of Hormuz, stating that it will remain under strict surveillance and management by the Iranian armed forces. This decision highlights the ongoing tensions in the ...

    France 24 Middle East

    Iran says any ship approaching Strait of Hormuz will be 'targeted'

    The Iranian Revolutionary Guards' navy has issued a warning that any ship approaching the Strait of Hormuz will be treated as a target, escalating tensions in the region. This announcement follows Iran's recent decision to close the strait again, jus...

    France 24

    Iran says any ship approaching Strait of Hormuz will be 'targeted'

    The Iranian Revolutionary Guards' navy has issued a warning that any ship approaching the Strait of Hormuz will be treated as a target, escalating tensions in the region. This announcement follows Iran's recent decision to close the strait again, jus...

    The National

    Iran war latest: Ships come under fire in Strait of Hormuz as Trump says 'US can't be blackmailed'

    The Strait of Hormuz has been closed again by Iran's military, just hours after a brief reopening, leading to the abandonment of navigation attempts by numerous commercial ships. This closure is attributed to ongoing tensions stemming from a U.S. blo...

    Gulf News

    Strait of Hormuz reopens: More than 20 ships turn back to Iran amid US blockade

    The Strait of Hormuz has reopened for commercial shipping after a nearly seven-week closure, during which more than 20 ships turned back to Iran amid a U.S. blockade. This significant trade route had been under increased scrutiny due to fears of atta...

    Gulf News

    Strait of Hormuz reopens: More than 20 ships turn back to Iran amid US blockade

    The Strait of Hormuz has reopened for commercial shipping after a nearly seven-week closure, during which more than 20 ships turned back to Iran amid a U.S. blockade. This significant trade route had been under increased scrutiny due to fears of atta...