The 72,825 dwt tanker LR Stephanie is struck in Hormuz and two seafarers wounded; weekend transits fall to 17 ships

The tanker SS Middleton under escort in the Persian Gulf — An escorted tanker transit in the Persian Gulf, Operation Earnest Will (June 1988) — illustrative archive photoPhoto: U.S. Navy (PHCS Mitchell) · Public domain · Source

Location: STRAIT OF HORMUZ

Two crew members were lightly wounded aboard the 72,825 dwt crude oil tanker LR Stephanie, struck as it entered the Gulf; the vessel continued under its own power and no environmental effect was reported. On the same day an LPG tanker was also affected by fragments from unidentified munitions, with no injuries among the crew. This is at least the fourth tanker struck since mid-September, after the MT Trend, the STI Steadfast and the Al Maryah; the Joint Maritime Information Centre counts at least five incidents or security cases since 16 September and is holding the threat level in the strait at its highest grade.

The traffic data confirm the hardening. According to Kpler figures, only 17 commodity vessels passed through the strait over the weekend; the previous weekend the figure was 37, and the pre-war daily average was about 125 large commercial vessels. Across the week, 22 tankers carried roughly 42 million barrels of crude; the cargoes originated mainly in Saudi Arabia and Iraq. Ship-to-ship transfers off Oman reached about 2.5 million barrels a day in September. The tracking site straits.live says it recorded only 8 transits on 13 September and puts the pre-crisis baseline at 85 vessels a day; the pre-war reference value varies between 85 and 125 across sources.

The official accounts do not match either. US Admiral Brad Cooper said more than 2,000 commercial vessels had been escorted and that volumes over the past two weeks were the highest in six months, while Kpler data reported by Reuters show 17 transits over the weekend; the two pictures could not be independently reconciled. On the market side, straits.live shows Brent at 99.47 dollars for 22 September, down 0.86% over the past 24 hours. For Türkiye the mechanism is indirect but powerful: in a country that imports crude oil and LPG, the annual increase in the energy component of the export producer price index reached 106.24% in August, and in the same week the dollar renewed its record at 48.82 lira.

Talay assessment

Bottom line

At least five incidents since 16 September, and weekend transits falling from 37 to 17, show that disruption in Hormuz has become a settled regime. Because the US account of escorting more than 2,000 vessels cannot be reconciled with Kpler's figure of 17 transits, the true level of flow could not be independently verified. The most likely path is a trickle regime of low but uninterrupted transits, with Brent staying in a 95-105 dollar band at high volatility.

Likely effects

Türkiye's energy import billNegativeWeeks
Depressed crude oil and LPG flows from the Gulf are the main reason the energy component of the export producer price index rose 106.24% year on year; Türkiye's current account and fuel prices are directly affected.
Tanker market and insuranceNegativeWeeks
A fourth tanker being struck raises war-risk premiums in the very large crude carrier segment, narrows vessel availability and brings alternative routes that add days into play; the 2.5 million barrels a day transferred off Oman measures that flight.
Global oil supplyNegative1–6 months
Roughly 42 million barrels carried by 22 tankers in the week remains far below pre-war volumes. The dependence of Saudi and Iraqi cargoes on this narrow channel keeps the risk high that a single new incident produces a price jump.

Possibilities, ranked

1
The low-volume transit regime persists55%
Weekly transits stay in a 15-40 vessel band, sporadic tanker attacks continue and Brent trades volatile in a 95-105 dollar range.
Watch: Weekly Kpler transit counts rising above 40 and the weekly path of maritime security warnings.
2
Partial normalisation25%
The channel between Iran and Oman bears fruit, transits approach half the pre-war level and Brent falls below 90 dollars.
Watch: Daily transits rising above 50 vessels and a retreat in the war-risk premium.
3
Full closure and a price spike20%
A major tanker loss or military escalation brings transits close to zero; Brent rises above 120 dollars and fuel prices in Türkiye set new records.
Watch: Crew fatalities aboard a tanker or an official announcement that the strait has been closed entirely.

Probabilities are calibrated judgement based on the sources, not measurement, and are revised as new information arrives. Not investment advice.

Market reaction

Indicators affected

Brent▲ $99.47
Hormuz weekend transits▼ 17 ships
Ship-to-ship off Oman▲ 2.5m barrels/day
Dollar/lira▲ 48.82 lira

Historical context