US-Israel-Iran War: JMIC Data Shows ‘Near-Total Temporary Pause in Routine Commercial Traffic’ Through Strait of Hormuz

Why It Matters

The near‑total halt threatens global oil supply chains and spikes shipping costs, underscoring how geopolitical flashpoints can instantly destabilize energy markets and maritime operations.

Key Takeaways

• Commercial transits fell from 138 to two vessels daily.
• Strait of Hormuz traffic pause raises oil supply risk.
• Insurance premiums surge amid heightened maritime threat.
• Vessels advised to avoid predictable routes, increase bridge manning.
• Threat level remains “Critical” with no de‑escalation signs.

Pulse Analysis

The latest Joint Maritime Information Center (JMIC) bulletin confirms that routine commercial traffic through the Strait of Hormuz has virtually stopped, with AIS records showing only two cargo vessels crossing in the past 24 hours compared with the usual 138 transits. The pause follows a coordinated U.S.–Israel strike on Iran and Iran’s retaliatory attacks on regional bases, prompting a ‘Critical’ threat rating that signals an almost certain attack on shipping. Although no formal blockade has been declared, security threats, insurance constraints and electronic interference have effectively shut the chokepoint.

The traffic shutdown reverberates through global energy markets, where the Strait handles roughly a fifth of daily oil shipments. Brent crude has already surged 17 % in a week, marking the steepest rise since 2022, while traders brace for tighter supplies and heightened price volatility. Insurers are tightening coverage terms and raising premiums for vessels that must navigate the high‑risk corridor, further inflating transport costs. Combined with temporary waivers for Russian oil purchases, the disruption underscores how geopolitical flashpoints can instantly reshape commodity flows and market expectations.

Maritime operators are responding with heightened vigilance: cross‑checking GPS against radar, validating ECDIS data, and increasing bridge manning in constrained waters. The JMIC advises all vessels, regardless of flag, to minimize time at anchor and avoid predictable patterns to reduce exposure to missiles, UAVs and electronic warfare. With the ‘Critical’ alert expected to persist for the next 24‑48 hours, the industry faces a test of resilience and may need to reroute cargo through longer, safer passages, reshaping logistics strategies until regional tensions ease.