Strait of Hormuz Closure Drives Oil Prices Higher

Oil prices surged on Monday, March 3, 2026, as escalating tensions in the Middle East led to disruptions in shipping through the Strait of Hormuz, a critical waterway for global energy supplies. The closure, stemming from the conflict between the United States and Israel with Iran, has raised concerns about potential supply shortages and increased costs for consumers at the pump.

The Strategic Importance of the Strait of Hormuz

The Strait of Hormuz, located between Oman and Iran, is a narrow but vital passage connecting the Persian Gulf to the Gulf of Oman and the Arabian Sea. It is one of the world’s most essential oil chokepoints, capable of handling the largest crude oil tankers. In 2024, approximately 20 million barrels of oil per day (b/d) – roughly 20% of global petroleum liquids consumption – transited the strait . Oil flows through the strait remained relatively flat in the first quarter of 2025 .

The inability to transit this chokepoint, even temporarily, can cause substantial supply delays and increase shipping costs, potentially raising world energy prices . While alternative routes exist, they significantly increase transit time, and most oil volumes have no practical alternative to exiting the region without using the strait .

Current Disruptions and Price Increases

Iran’s Revolutionary Guard Corps (IRGC) announced on Monday that the strait was “closed” and threatened to set ablaze any vessel attempting to pass through . At least five tankers have been damaged, resulting in two fatalities and approximately 150 ships stranded around the strait .

As a direct consequence, oil prices rose above $79.40 per barrel on Monday, up from $73 per barrel on Friday . Shipping traffic has decreased by at least 80 percent, and the shipping industry is experiencing a “huge spike” in freight costs for routes out of the Middle East and the Gulf .

Impact on U.S. Gas Prices

The disruptions in the Strait of Hormuz are already impacting gas prices for American consumers. The national average price for a gallon of regular gas is $3.11, and in New Jersey, the average is $2.90 as of today, March 3, 2026. This marks the first time prices have exceeded $3 a gallon this year, a level identified by recent surveys as a “pain point” for many Americans.

AAA spokesperson Tracy Noble stated that as long as the violence continues, gas prices are likely to remain elevated .

Looking Ahead

The situation remains fluid, and the extent of future price increases will depend on the duration of the conflict and the restoration of shipping traffic through the Strait of Hormuz. Experts are closely monitoring developments in the region and assessing the potential for further disruptions to global energy supplies.