Traveling Through a Closed Strait of Hormuz with Graeme Wood

Why It Matters

A closure of the Strait of Hormuz would disrupt 20% of global oil flow, inflating prices and forcing companies to seek costly alternative routes, thereby reshaping energy markets worldwide.

Key Takeaways

• Iran threatens to close Strait of Hormuz, a vital oil route
• 20% of global seaborne oil passes through the strait daily
• Closure aims to pressure U.S., Israel, and Gulf allies
• Cargo ships now idle; only smugglers and Omani vessels remain
• Disruption highlights vulnerability of worldwide energy supply chains

Summary

Graeme Wood reports from the quiet waters of the Strait of Hormuz, where Iran has announced it will shut the narrow passage that funnels roughly one‑fifth of the world’s seaborne oil. The strait, a 40‑mile gap between Iran and the Arabian Peninsula, is a strategic chokepoint that supplies the majority of Asia’s energy imports, and its closure would force a dramatic reroute of global oil flows.

Wood notes that Iran’s move is a calculated response to what it perceives as U.S. and Israeli aggression, aiming to impose economic costs on Washington, its Gulf allies, and the broader international community. With tankers halted, only a handful of Omani dhows linger and occasional Iranian speedboats ferry goats to the Arabian Peninsula and electronics back, underscoring the sudden standstill of commercial traffic.

The on‑scene description—cargo ships idling, dolphins leaping, and smugglers navigating the calm—serves as a vivid illustration of how geopolitical brinkmanship can freeze a critical artery of world commerce. The silence contrasts sharply with the usual bustle of oil tankers, highlighting the fragility of supply chains that depend on a single maritime corridor.

Analysts warn that a prolonged shutdown could trigger sharp spikes in oil prices, accelerate the search for alternative routes such as the Cape of Good Hope, and prompt nations to reassess energy security strategies. The episode underscores the outsized influence of regional conflicts on global markets and the urgent need for diversified logistics.

Original Description

The Strait of Hormuz is a crucial crossing for the world’s oil supply—and Iran’s closure of the passage amid U.S. and Israeli strikes has snarled shipping traffic. Graeme Wood chartered a boat to see the unusually quiet strait first-hand:

📸: AFP / Getty; Morteza Nikoubazl / NurPhoto / Getty; Yasser Al-Zayyat / AFP; Alex Wong / Getty; Abeer Khan / Bloomberg / Getty; Gallo / Orbital Horizon / Copernicus Sentinel Data 2025.