--- title: "Hormuz Tracker: Limited Transits Before Trump Announces Blockade" type: "News" locale: "en" url: "https://longbridge.com/en/news/282450397.md" description: "Shipping through the Strait of Hormuz is operating at reduced levels as President Trump announced a blockade by the US Navy, following failed US-Iran peace talks. Trump stated, \"The Blockade will begin shortly,\" accusing Iran of extortion. Despite the blockade, some vessels, including the supertanker Mombasa B, successfully entered the Persian Gulf. However, tracking is complicated by electronic interference, and many vessels are avoiding detection. Outbound traffic has decreased, with several vessels linked to Iran and China observed exiting the strait." datetime: "2026-04-12T15:01:30.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/282450397.md) - [en](https://longbridge.com/en/news/282450397.md) - [zh-HK](https://longbridge.com/zh-HK/news/282450397.md) --- # Hormuz Tracker: Limited Transits Before Trump Announces Blockade Shipping flows through the Strait of Hormuz continued to operate at reduced levels on Sunday, before President Donald Trump announced an immediate blockade of the critical maritime chokepoint by the US Navy. Trump’s comments in a Truth Social come after US-Iran peace in Pakistan ended without an agreement, putting a fragile ceasefire at risk. Tehran’s control over Hormuz emerged as a in the talks, with Trump lashing out at Iran charging vessels to transit the strait. “The Blockade will begin shortly,” Trump said. “Iran will not be allowed to profit off this Illegal Act of EXTORTION.” Following the successful entry of two supertankers into the Persian Gulf, the Iraq-bound VLCC Agios Fanourios I executed an abrupt U-turn on Sunday morning, just before entering the corridor between the Iranian islands of Larak and Qeshm, according to vessel-tracking data compiled by Bloomberg. That about-turn was initially mirrored by two Pakistan-flagged tankers, but the Khairpur later pivoted a second time and resumed its course through Hormuz. The second vessel, the Shalamar, also appears to have followed suit, resuming its inbound journey, according to data from intelligence firm Kpler. Earlier on Sunday, the supertanker Mombasa B — which recently switched its name from Front Forth — managed to successfully enter the Persian Gulf, according to vessel-tracking data compiled by Bloomberg. Another seven ships, including the Iranian VLCC Hilda I, have entered the region since Saturday morning, while 11 vessels were observed exiting during the same window. Most of them have ties to Iran or China. Tanker tracking is hampered by electronic interference with ships’ signals. Some vessels disable their AIS transponders in high-risk waters, further reducing the timeliness and reliability of tracking data. Vessels entering Hormuz during the past day were confined to a narrow northern lane between the Iranian islands of Larak and Qeshm, while some outbound traffic followed the Tehran-approved route near the coast through a tight corridor south of Larak. The outbound traffic surge was led by three and an Indian liquefied petroleum gas carrier, but transits tapered off on Sunday. Vessels exiting the strait included three with ties to Iran — two containerships and a bulk carrier — along with a China-linked oil product tanker. Trump also widened his threat to international waters, saying the US Navy would interdict any vessel that had paid Iran’s toll and that “no one who pays an illegal toll will have safe passage on the high seas.” Vessels “going dark” in high-risk waters may make transit counts appear lower initially, with figures likely revised upward as delayed data comes in. Apart from the supertanker Mombasa B, the traffic entering the Gulf included a group of Iran-linked vessels, comprising a VLCC, three LPG tankers, a bulker, a containership and a small fuel tanker. 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