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Strait of Hormuz · Daily brief · UTC

16 September 2026.

Brent $105.51-2.69%Transits 8 (2026-09-13)AI-assisted
  1. 01

    gCaptain and NDTV report Iran struck a U.S.-contracted vessel carrying American personnel near the Strait of Hormuz in a missile and drone attack.

  2. 02

    Preliminary shipping data cited by gCaptain and Reuters show only four vessel transits through the Strait of Hormuz on Tuesday, against a pre-crisis baseline of 85 per day.

  3. 03

    Brent fell 2.69% over 24 hours to $105.51 as of 23:48 UTC; 46 events were indexed in the last 24 hours.

Situation

The Strait of Hormuz remains effectively closed to commercial traffic, with preliminary data cited by gCaptain and Reuters showing only four vessel crossings on Tuesday, down from seven the prior day and far below a ten-day average of 18; IMF PortWatch recorded 8 transits on 2026-09-13, against a pre-crisis baseline of 85 per day. The most urgent development of this cycle is an attack on a U.S.-contracted vessel carrying American personnel near the strait: gCaptain, relaying Fox News, and NDTV both report the vessel was struck by Iranian missiles and drones. Brent stood at $105.51, down 2.69% over 24 hours, as of 23:48 UTC. On the diplomatic front, Middle East Eye reports China urged Iran and the U.S. to resume talks and reopen the strait. No date for any such talks has been set, and the site's background notes Iran has ruled out negotiations with Washington until its terms are met; any reference to talks must be read against that condition. Saudi Arabia is ramping up crude sales routed via the strait following the East-West pipeline shutdown, per gCaptain, a shift that increases the kingdom's exposure to the same chokepoint under blockade. Separately, gCaptain reports container carriers are accelerating a return to the Suez Canal even as Houthi advances near Bab el-Mandeb raise new security concerns for that route. Forty-six events were indexed in the last 24 hours. As of 23:49 UTC, 437 AIS-visible vessels were holding position away from berth in the Strait of Hormuz and Gulf watch box, a count that leaves out ships within 25km of a working port. On the Hormuz Index, Crisis Pressure, the state composite, sits in the extreme band, flat over 24 hours, with physical transit deviation as its top contributor; the Escalation Forecast sits in the elevated band, rising over 24 hours, with the Brent-WTI forward spread as its top contributor.

Recorded

  • 393 vessels stranded away from berth
  • 366 vessels stranded away from berth

Crossings detected by the monitor on this UTC date: verdict flips, Hormuz Index band changes, and threshold breaches. Machine-tracked, not editorialised.

Cite as

Straits, “Hormuz daily brief”, 16 Sept 2026.
straits.live/briefs/2026-09-16

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