IMF PortWatch daily AIS data
How Many Ships Passed the Strait of Hormuz Today?
See the latest published total-vessel and tanker transit counts, recent trend, source, and exact data lag. A delayed observation is labeled rather than presented as a same-day count.
Is the Strait of Hormuz open today?
The latest AIS data still recorded vessel traffic, but at a sharply reduced level.
On the latest data date, Jul 23, 2026, PortWatch counted 10 vessel transits, including 2 tankers. This dataset alone cannot establish today's legal or military status.
data lag: 7 days
Latest data date
Jul 23, 2026
All vessels
10transits
Tankers
2transits
7-day daily avg.
11.1
vs. prior 28 days -49.2%
- Jul 23, 202610
- Jul 22, 202611
- Jul 21, 202612
- Jul 20, 20269
- Jul 19, 202610
- Jul 18, 202616
- Jul 17, 202610
View the latest 30 daily records
| Date (UTC) | All vessels | Tankers | Cargo |
|---|---|---|---|
| 2026-07-23 | 10 | 2 | 8 |
| 2026-07-22 | 11 | 3 | 8 |
| 2026-07-21 | 12 | 3 | 9 |
| 2026-07-20 | 9 | 3 | 6 |
| 2026-07-19 | 10 | 4 | 6 |
| 2026-07-18 | 16 | 6 | 10 |
| 2026-07-17 | 10 | 3 | 7 |
| 2026-07-16 | 9 | 2 | 7 |
| 2026-07-15 | 12 | 5 | 7 |
| 2026-07-14 | 11 | 5 | 6 |
| 2026-07-13 | 9 | 2 | 7 |
| 2026-07-12 | 6 | 1 | 5 |
| 2026-07-11 | 10 | 4 | 6 |
| 2026-07-10 | 9 | 4 | 5 |
| 2026-07-09 | 11 | 4 | 7 |
| 2026-07-08 | 15 | 5 | 10 |
| 2026-07-07 | 28 | 12 | 16 |
| 2026-07-06 | 28 | 14 | 14 |
| 2026-07-05 | 26 | 16 | 10 |
| 2026-07-04 | 22 | 11 | 11 |
| 2026-07-03 | 31 | 21 | 10 |
| 2026-07-02 | 34 | 18 | 16 |
| 2026-07-01 | 40 | 23 | 17 |
| 2026-06-30 | 21 | 6 | 15 |
| 2026-06-29 | 31 | 13 | 18 |
| 2026-06-28 | 20 | 11 | 9 |
| 2026-06-27 | 27 | 9 | 18 |
| 2026-06-26 | 37 | 19 | 18 |
| 2026-06-25 | 50 | 23 | 27 |
| 2026-06-24 | 51 | 21 | 30 |
These are UTC transit-call estimates derived from vessel AIS signals. The same ship is counted only once within 48 hours. The latest observation currently lags today by 7 days and may be revised. Recorded transits do not by themselves establish the strait's legal or military status.
WhenBuy calculated analysis
What changed in the latest update?
Total vs. previous published day
-1
-9.1%
Tankers vs. previous published day
-1
2026-07-22 → 2026-07-23
7-day average change
+18.2%
vs. previous 7-day average
Tanker share of latest count
20%
2 tankers / 10 total
These calculations describe changes in the published counts. They do not establish the cause or the strait's legal or military status.
Ready-to-cite latest summary
IMF PortWatch recorded 10 Strait of Hormuz vessel transits on 2026-07-23, including 2 tankers. WhenBuy calculated this summary from IMF PortWatch AIS data.IMF PortWatch source data
How to read the count
Why can the latest date be earlier than today?
PortWatch is a reviewed daily series, not a live position map. This page shows the latest observation date and the gap from the current date separately.
What does one transit mean?
It is a strait passage inferred from vessel AIS signals. The same vessel is counted only once within 48 hours, and dates use UTC.
Does this show inbound versus outbound traffic?
This public file provides total, tanker, and cargo counts but no directional split. The page does not invent an inbound or outbound estimate.