The Strait of Hormuz remains the world’s most critical oil transit chokepoint, and tracking its daily volume requires a look at the specific methodology used by IMF Portwatch. For the week of March 10-16, 2026, the focus is on “transit calls”—a metric that includes containers, dry bulk, tankers, and general cargo. Unlike total vessel pings, these calls represent distinct, significant passages through the strait.
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Recent Trends and Context
Over the last 14 days, shipping data has shown remarkable consistency in the Persian Gulf. Here are the key factors currently shaping the numbers:
- Historical Stability: Data from the IMF Portwatch dashboard indicates that the Strait of Hormuz typically sees a daily average of 5.2 to 5.6 transit calls across the tracked categories. Over a seven-day period, this mathematically points to a total between 36 and 39 ships.
- Operational Norms: There have been no reports of major maritime exercises or significant weather disruptions in the region that would force a deviation from standard schedules. According to the U.S. Energy Information Administration (EIA), the flow of oil and LNG through this corridor is highly institutionalized, meaning sudden drops or spikes are rare without a major geopolitical catalyst.
- Fleet Composition: Tanker traffic remains the dominant force, but the steady return of container ship schedules in early 2026 has stabilized the “transit call” metric, preventing the volatility seen in previous years.
The Case for 35-39 Transits
The most likely outcome for the March 10-16 window is the 35-39 ship range. This isn’t just a guess; it’s a reflection of the “mean” performance of the strait. If the daily average holds at its standard 5.3 or 5.4 calls, the week will conclude with 37 or 38 total transits. This range allows for slight daily fluctuations—perhaps a slow Tuesday followed by a busier Wednesday—without pushing the total into the higher or lower brackets. It is the “statistical anchor” for this specific maritime route.
Comparison with Competitors
The 40-44 ship range is the primary alternative, but it requires a sustained average of at least 5.7 ships per day. While this happens during periods of “catch-up” after minor delays, current port congestion data in the UAE and Saudi Arabia does not suggest a backlog that would trigger such a surge. On the other hand, falling below 35 ships (the 30-34 range) would require a significant slowdown, averaging fewer than 5 ships a day. Given the current global demand for energy exports, such a dip is unlikely without an unannounced technical or security event.
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Signals to Watch
What could shift this outlook? Keep an eye on the daily updates from the IMF Portwatch portal. A single day reporting 7 or more ships would immediately make the 40-44 range more probable. Conversely, any news of maintenance at major loading terminals like Ras Tanura could suppress the numbers toward the lower 30s. For now, the steady state of global trade favors the middle ground.
Current expectations show a strong lean toward the 35-39 range, which carries a 67.5% probability. The 40-44 range follows as a secondary possibility at 22.6%, while lower brackets like 30-34 remain outliers at 5.0%. Total volume and liquidity are concentrated heavily in the 35-39 segment, reflecting a consensus on the strait’s current operational rhythm.
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