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Strait of Hormuz · Daily brief · UTC

18 September 2026.

Brent $103.89-1.58%Transits 8 (2026-09-13)AI-assisted
  1. 01

    Al Jazeera reports Trump says he faces a 'big decision' on whether to 'annihilate' his Iranian foes, with 'anything could happen' as his warning.

  2. 02

    Per Iranian state media, the IRGC struck a Togo-flagged tanker in the Strait of Hormuz for what it called an unauthorized transit route; no major wire in this feed carries the strike independently.

  3. 03

    IMF PortWatch recorded 8 transits on 2026-09-13, against a pre-crisis baseline of 85 per day; صحيفة مال reports ships passing through the strait have dropped to 3.

Situation

The Strait of Hormuz remains the focal point of an intensifying crisis, with throughput far below pre-war levels and a major US policy decision now openly in play. Al Jazeera reports President Trump has said he faces a 'big decision' on whether to 'annihilate' his Iranian foes and that 'anything could happen,' placing the prospect of direct US escalation at the center of the conflict. IMF PortWatch recorded 8 transits on 2026-09-13, against a pre-crisis baseline of 85 per day; separately, صحيفة مال reports the number of ships passing through the strait has dropped to 3. Per Iranian state media, the IRGC claims it struck a Togo-flagged tanker for transiting what it called an unauthorized route, a claim The Times of Israel also carries; no major wire in this feed carries it independently. Marine Insight reports a US-contracted vessel was hit by Iranian drones and a missile near the strait, with crew injured. Caspian Post reports Iran has set conditions for reopening the strait, consistent with background context that Iran rules out talks with Washington until its terms are met; both parties to any potential negotiation remain publicly at odds. Brent stood at $103.89, down 1.58% over 24 hours, as of 02:48 UTC. Fifty-four events were indexed in the last 24 hours. As of 02:49 UTC, 412 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, easing over 24 hours, with physical transit deviation as its top contributor; the Escalation Forecast sits in the elevated band, easing over 24 hours, with the Brent-WTI forward spread as its top contributor.

Recorded

  • 426 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”, 18 Sept 2026.
straits.live/briefs/2026-09-18

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