How a Growing El Niño Will Impact the 2026 Atlantic and Pacific Hurricane Seasons

As the globe transitions into an El Niño climate pattern, rising Pacific Ocean temperatures are creating ideal conditions for an active Eastern Pacific hurricane season, which officially began on May 15, 2026. El Niño reduces vertical wind shear in the Pacific, allowing tropical systems to develop and maintain structure without being disrupted by upper-level winds. Conversely, this pattern creates unfavorable conditions in the Atlantic basin, characterized by cooler waters and increased wind shear, likely resulting in below-average hurricane activity there. The article references the last major El Niño event in 2023, when the Eastern Pacific saw 20 tropical systems, including Hurricane Hilary, which caused over $900 million in damages across the southwestern U.S. and Mexico. In contrast, the recent La Niña phase correlated with above-average Atlantic seasons. The National Hurricane Center is now monitoring the Eastern Pacific for potential storm development, with the first named storm of the season expected to be Amanda. This analysis highlights the divergent impacts of El Niño on the two major ocean basins, emphasizing the heightened risk for the Pacific while suggesting a quieter season for the Atlantic.