Hurricane Isaias has forced the shutdown of 1.3 million barrels per day of U.S. crude oil production in the Gulf of Mexico, accounting for roughly 63% of total Gulf output, according to the Bureau of Safety and Environmental Enforcement. The Category 3 storm, with maximum sustained winds of 120 mph, is expected to make landfall Friday night or early Saturday near the Alabama-Florida border, disrupting operations at key refineries.
Chevron’s Pascagoula, Mississippi, refinery—capable of processing 330,000 barrels per day—remains operational, while a Vertex Energy refinery in Saraland, Alabama (136,000 bpd capacity) faces potential impacts under hurricane warnings. Combined, these facilities represent 2.4% of U.S. refining capacity, said Andy Lipow of Lipow Oil Associates. Refineries along the Gulf Coast are already running at 95% capacity, leaving little room to offset lost production.
Oil companies have taken precautionary measures ahead of the storm. Shell and BP evacuated offshore personnel from deepwater platforms in the storm’s projected path, while Chevron relocated drilling rigs. ExxonMobil reported normal operations but noted ongoing monitoring. The storm’s trajectory has largely spared the densest refining hubs in southern Louisiana, including areas near New Orleans and Baton Rouge, though officials warn conditions remain volatile.
The disruption comes amid global fuel market tightness, exacerbated by conflicts in Eastern Europe and the Middle East. Ukraine’s strikes on Russian refineries and Houthi attacks on Middle Eastern facilities have reduced global diesel supplies, prompting U.S. refiners to export fuel to Europe at record margins. Historically, Gulf refinery outages have led to rising fuel prices alongside falling crude prices, said Kevin Book of ClearView Energy Partners.
The National Hurricane Center forecasts Isaias to weaken slightly before landfall but warns of dangerous storm surges, heavy rainfall, and hurricane-force winds across the northern Gulf Coast. Emergency declarations are in effect for Mississippi, Alabama, and the Florida Panhandle, with evacuations underway in low-lying areas. The storm’s path remains under close observation as operators assess long-term impacts on infrastructure and supply chains.