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Straits

Strait of Hormuz · Daily brief · UTC

19 August 2026.

Brent $91.72+0.40%Transits 1 (2026-08-16)AI-assisted
  1. 01

    gCaptain and IndexBox report three Chinese tankers executed U-turns in the Strait of Hormuz as risks remained high.

  2. 02

    PortWatch recorded 1 transit on 2026-08-16, down from a pre-crisis baseline of 73 per day; 487 hulls were holding position away from berth as of 23:53 UTC.

  3. 03

    The Hormuz Index Crisis Pressure composite holds in the extreme band; the Escalation Forecast composite sits in the elevated band, the two diverging on state versus forward risk.

Situation

The Strait of Hormuz continues to show severe throughput compression. gCaptain reports three Chinese tankers executed U-turns in the strait as risks remained high; IndexBox carries a separate, unverified, single-source report that the IRGC turned back a Chinese tanker under what it described as maritime law enforcement, a claim not corroborated by independent sources. Albawaba.com, in an unverified, single-source report, says Iran seized an Emirati tanker and diverted it to Bandar Abbas; no independent sources have corroborated that account. Yeni Safak English and Daily Sabah each carry unverified, single-source reports that the United States is operating a clandestine shipping corridor through the strait; the basis for those reports has not been independently established. PortWatch's most recent published day, 2026-08-16, shows 1 transit, against a pre-crisis baseline of 73 per day; that figure carries several days of lag, consistent with the platform's weekly Tuesday release cycle. Separately, 487 hulls were holding position away from berth as of 23:53 UTC. Port arrivals across the Hormuz-area ports reached 560 in the most recent 24 hours, a figure that uses a different methodology from PortWatch and should not be read as a transit count. Brent stood at $91.72 as of 23:53 UTC, up 0.40% over 24 hours. The Crisis Pressure composite holds in the extreme band, driven by physical transit deviation; the Escalation Forecast composite sits in the elevated band, its top contributor being Polymarket escalation contracts, with the two indices diverging in their assessment of present state versus forward risk.

Recorded

  • 305 vessels stranded away from berth
  • 313 vessels stranded away from berth
  • 291 vessels stranded away from berth
  • 201 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”, 19 Aug 2026.
straits.live/briefs/2026-08-19

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