U.S. Central Command said that as of Oct. 31 its forces had redirected 144 commercial vessels under the Iran blockade of Iranian ports and coastal traffic, calling the naval cordon “ironclad”, with the aircraft carrier USS George Washington supporting enforcement in the wider Gulf. The figure is up from 135 ships earlier in October and sits beside a separate, longer U.S. effort to keep commercial traffic moving through the Iran war corridor in the Strait of Hormuz.
The blockade of Iranian ports, reinstated July 14 after an earlier spring round, is distinct from routine transit through the Strait of Hormuz. It aims to keep oil and other cargo from reaching or leaving Iranian ports, while U.S. forces also escort and facilitate partner shipping through the strait itself. For readers tracking the wider fight, our war news hub collects the latest Gulf and Red Sea developments.
Iran blockade: what CENTCOM says it is enforcing
In an Oct. 31 post on X, CENTCOM said U.S. forces had redirected 144 commercial vessels “to ensure compliance” and published imagery of an MH-60R Sea Hawk launching from George Washington during blockade support, according to reporting by Middle East Eye and Russian news agency Interfax. CENTCOM also said that over about six months U.S. forces had helped partners move more than 1.5 billion barrels of oil out of the Gulf and that more than 3,000 commercial ships had passed the strait with U.S. support, representing over 95% of traffic in the monitored period.
United Against Nuclear Iran’s Nov. 3 shipping update, drawing on satellite imagery and AIS patterns, reported that U.S.-facilitated Hormuz transits surged to 39.7 vessels a day in the closing 72 hours of October and that October’s full total reached 956 transits, or 30.8 a day. The cumulative campaign tally stood at 3,089 transits across 134 monitored days, for an overall average of 23.1 a day, UANI wrote.
The International Maritime Organization has confirmed 128 maritime incidents involving commercial vessels across the Persian Gulf, Strait of Hormuz and Gulf of Oman since the Iran war began, with 24 seafarer deaths, according to the same UANI roundup. The damaged tanker RITI was observed in the southern corridor on Nov. 3 after a late-October strike near Khasab, Oman, that left a fire and a loss of propulsion, UANI said.
Tolls, mines and allied limits
President Donald Trump previously ordered the Navy to interdict vessels in international waters that paid Iran transit tolls and to destroy mines laid in the strait after Islamabad talks failed, CBS News reported at the time. Lloyd’s List Intelligence analysts have described an IRGC-controlled “toll booth” regime in which vessels submit documentation, obtain clearance codes and accept escorted passage through a controlled corridor. Iranian officials have claimed deposits from such tolls; those claims come from Iranian state-aligned media and should be treated as regime messaging. Unverified claim, Tasnim/IRNA orbit (Iranian state-aligned)
The United Kingdom has said it will not join a U.S. blockade of the strait and is instead working with France and other partners on a defensive coalition focused on freedom of navigation and mine clearance, a U.K. government spokesperson told CBS News. Spain has likewise been reported as declining offensive blockade roles. That split leaves Washington carrying the port-interdiction mission while European planners talk about a separate protective mission for shipping.
By the numbers: enforcement versus traffic
By a Boston Report calculation from CENTCOM’s published counts, the jump from 135 to 144 redirected vessels is a 6.7% increase within October’s reporting window. UANI’s October daily average of 30.8 facilitated transits is 33% above the 134-day campaign average of 23.1, and the late-October surge of 39.7 a day is 72% above that long-run average. Those figures measure U.S.-assisted traffic, not total world shipping, and they sit beside the IMO’s 128-incident, 24-death tally for the wider war zone.
UANI also said that since the port blockade resumed, about 11 small LPG tankers had slipped past the line, but it had not tracked any Iranian crude tanker that successfully left the Gulf of Oman and avoided U.S. enforcement since July 12. Disabled and boarded vessels remain a small share of the redirected total; CENTCOM has previously described disabling noncompliant ships and boarding others to force compliance.
What to watch next
Enforcement now turns on whether redirected counts keep rising, whether Iranian forces resume high-tempo attacks on commercial hulls, and whether the Franco-British navigation coalition moves from planning into pre-positioned assets. Mine clearance, insurance rates and the southern corridor’s “dark” AIS traffic will be the market signals. Our defense news page and the military deployments tracker follow carrier and escort movements tied to the mission.
Sources
- Middle East Eye: CENTCOM says 144 vessels redirected under Iran blockade
- UANI: Iran Shipping Update – November 3, 2026
- CBS News: Trump says U.S. will blockade Strait of Hormuz and intercept ships that paid Iran tolls
- Interfax: U.S. Navy redirected 144 commercial vessels under Iran blockade
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