Tanker transits remain about 90% below their 52-week average
Tanker transits averaged 2.4 calls per day, compared to a 52-week mean of 23.5 calls. The latest 4-week mean is 1.8 calls, down 68% from the previous 4-week mean of 5.7 calls.
Supporting data
Current 2.4/day·vs 52w avg -90%·4w trend -68%·data through Aug 23, 2026
About the data
- Source
- IMF PortWatch
- Publisher
- International Monetary Fund
- Method
- AIS-derived vessel transit data
- Data through
- Aug 23, 2026
- Coverage
- Jan 2019 – Sep 2026
Weekly average of daily transit calls
Source data may be revised by the IMF.
About this data
PortWatch is an IMF platform that uses AIS vessel-tracking data to estimate maritime activity at ports and major chokepoints. It is strong institutional data, but derived from vessel movements rather than a customs record.