Strait of Hormuz Ship Traffic — September 2026
In September 2026, the monitor detected 633 vessel crossings of the Strait of Hormuz — 367 outbound toward the Gulf of Oman and 266 inbound toward the Persian Gulf. 61 of the outbound transits were crude, product or chemical tankers, together carrying an estimated 40.7 million barrels (deadweight × 95% load × 7.33 bbl/t — an AIS-derived lower bound; see methodology). The busiest day was 2026-09-13 with 32 crossings.
September 2026 in review
Averaged over the 30 days, that is 21.1 detected crossings and 1.36 million barrels of oil a day — about 7% of the roughly 20 million barrels a day that moved through the strait before the 2026 war. Compared with August 2026, detected crossings were down 2% and estimated oil outflow was down 55%. Bulk Carrier vessels made up the largest share of crossings (16%), followed by Cargo at 12%. The largest tanker to leave the Gulf was SOUTH LOYALTY (323,182 DWT) on 2026-09-01. For the wider arc, read the six-month shipping timeline; for what replaced the missing barrels, see Supply & Demand and Oil Storage.
Crossings by vessel type
| Vessel type | Crossings |
|---|---|
| Bulk Carrier | 100 |
| Cargo | 79 |
| Oil/Chemical Tanker | 50 |
| Landing Craft | 45 |
| General Cargo | 45 |
| Crude Oil Tanker | 38 |
| Tug | 37 |
| Container Ship | 37 |
| LPG Tanker | 27 |
| Oil Products Tanker | 21 |
Largest tankers to exit the Gulf in September 2026
| Vessel | Class | DWT | Date |
|---|---|---|---|
| SOUTH LOYALTY | Crude Oil Tanker | 323,182 | 2026-09-01 |
| AJWAD | Crude Oil Tanker | 320,784 | 2026-09-16 |
| PORTUGAL PROSPERITY | Crude Oil Tanker | 320,013 | 2026-09-14 |
| PERU PROSPERITY | Crude Oil Tanker | 318,080 | 2026-09-04 |
| AL KOUT | Crude Oil Tanker | 317,019 | 2026-09-07 |