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Commercial traffic through the Strait of Hormuz remained at exceptionally low levels over the October 17-18 weekend as attacks on merchant shipping continued. Windward counted just five crossings on Saturday, followed by 12 on Sunday, including four vessels operating dark; Sunday’s traffic consisted of five inbound and seven outbound vessels. Separately, Kpler said Gulf crude flows fell to a seven-day average of about 8.5 million barrels per day last week from more than 20 million b/d the previous week, while recording at least 10 confirmed commercial-vessel incidents. The diplomatic route remains blocked as well: Iran says it can reopen the strait within days if Washington accepts its seven conditions, while Reuters reports negotiations remain stalled over those demands and the U.S. insistence on addressing Iran’s nuclear program. One important correction to earlier reporting: the widely circulated Kpler figure of five commodity ships on Saturday and zero on Sunday versus 31 the prior weekend refers to August 16-17, not this October 17-18 weekend.
The Strait Is Moving Cargo at a Fraction of Normal Commercial Activity
Weekend traffic remained extremely thin after two weeks of escalating attacks. Sunday produced a partial rebound from Saturday, but even those crossings included vessels operating without normal AIS visibility.
Tankers, container ships and other merchant vessels have been hit by projectiles, drones and other reported weapons.
Ships increasingly transit with AIS switched off or use alternative routing, reducing transparency around actual traffic.
War-risk premiums and tanker earnings remain extraordinarily high even after some rates eased from record levels.
Tehran says reopening could happen quickly if Washington accepts its conditions, but negotiations remain stalled.
Hormuz Operating Board · October 19
The chokepoint is not physically empty, but normal transparent commercial navigation remains severely impaired. Traffic counts, cargo flows and security reports all point to a maritime system operating well outside normal conditions.
| Indicator | Latest Reading | Comparison | What the Data Shows | Commercial Consequence | Important Limitation |
|---|---|---|---|---|---|
| Weekend Hormuz Crossings | CRISIS LOW 5 Sat. / 12 Sun. | Windward shows Sunday traffic improving from Saturday but still operating at extremely depressed levels. | Five vessels crossed October 17. Twelve crossed October 18, with five inbound and seven outbound. | Owners and charterers are continuing to restrict or carefully time exposure to the Strait. | Vessel-tracking providers can produce different totals because of AIS darkness, routing definitions and vessel-category filters. |
| Dark Sunday Transits | REDUCED VISIBILITY 4 Vessels | Four of Sunday's 12 Windward crossings were classified as dark. | Actual traffic cannot be assessed reliably from conventional AIS plots alone. | Insurers, naval forces, charterers and compliance teams face a less transparent operating picture. | Dark does not automatically mean sanctioned or illicit. Ships may reduce transmissions for security reasons. |
| Gulf Crude Flow | SHARP DECLINE 8.5M b/d | More than 20M b/d during the previous week, according to Kpler. | The seven-day average more than halved as the latest wave of attacks suppressed vessel movements. | Buyers may need inventories, alternative supply, STS arrangements or barrels loaded outside the Gulf. | The Kpler figure is Gulf crude flow, not simply a count of ships physically crossing the Strait. |
| Commercial-Vessel Incidents | ATTACK WAVE 10+ Last Week | October has included attacks on tankers, container ships and other merchant vessels. | Kpler counted at least 10 confirmed incidents in the latest week. | Risk is no longer limited to a single vessel type or a narrow class of oil cargo. | Reporting remains incomplete because some casualties are reported late or not publicly identified. |
| Latest Confirmed Attack | OCT. 18 Tug Hit Twice | Northeast of Khor Fakkan, UAE. | UKMTO says a southbound tug was struck by two unknown projectiles, sustained damage and reported one minor casualty. | The demonstrated attack area remains wider than the Strait itself. | UKMTO has not publicly attributed the projectiles to a specific actor. |
| U.S.-Iran Strait Negotiations | PROPOSAL OPEN Talks Stalled | Iran says its seven-condition reopening proposal remains available. | Tehran says the Strait could reopen within six days after U.S. acceptance, with negotiations resuming the following day. | Political settlement remains the clearest route toward restoring routine commercial navigation. | Washington and Tehran remain divided over sanctions, blockade conditions, regional hostilities and Iran's nuclear program. |
Hormuz Vessel Delay & Tonnage Lock-Up Analyzer
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