As a powerful El Niño weather pattern develops across the Pacific basin, regional climate scientists are sounding an urgent alarm: the entire Caribbean must accelerate preparations for an extended stretch of hotter, drier conditions spanning 2026 and 2027. The joint warning comes from two leading regional climate research bodies, the Caribbean Institute of Meteorology and Hydrology (CIMH) and the Climate Studies Group Mona at the University of the West Indies (UWI CSGM), which outline that the shifting climate conditions triggered by El Niño will carry far-reaching, serious risks for water access, agricultural production, public health, and the regional economy.
Cedric Van Meerbeeck, a senior climatologist at CIMH, explained that El Niño will almost certainly drive extended periods of below-average rainfall paired with increasingly oppressive, humid heat across the Caribbean. This combination amplifies the likelihood of multiple overlapping extreme events: severe droughts, long-lasting heatwaves, increased wildfire risk, and marine heatwaves that can trigger widespread coral bleaching across the region’s fragile reef ecosystems. Historical precedent underscores the severity of these risks: past major El Niño events, including the 2009-2010 and 2014-2016 cycles, brought crippling drought and record-breaking extreme heat that caused widespread damage to local ecosystems and disrupted daily life for communities across the region.
The potential impacts of the coming El Niño are broad and interconnected, cutting across every core sector of Caribbean societies. The agricultural industry, which relies on consistent rainfall and stable temperatures to maintain output, faces a high risk of significant production losses that threaten regional food security. Water and energy infrastructure will also come under intense strain: demand for electricity for cooling will surge, while many Caribbean nations rely heavily on hydropower or freshwater for energy generation, creating a supply-demand gap that could lead to widespread outages. Public health risks are also projected to rise, with deteriorating water quality, increased transmission of vector-borne diseases, and a spike in heat-related illnesses putting additional pressure on local healthcare systems.
Professor Michael Taylor, leading researcher at UWI CSGM, emphasized that the Caribbean is now facing what he calls a “multi-hazard regime”, where heat, drought, and marine stressors interact and amplify one another, creating risks greater than the sum of their individual parts. Addressing these interconnected threats requires an integrated, cross-sector coordinated response and strengthened collaborative action across all national and regional stakeholders, he added.
From an economic perspective, the coming El Niño is also expected to disrupt three core pillars of the Caribbean economy: tourism, commercial fishing, and maritime shipping. Global climate-driven disruptions could throw regional trade and supply chains off balance, driving up costs for consumers across the Caribbean. A recent example of this vulnerability already played out on the global stage: severe drought disrupted operations at the Panama Canal, a critical transport artery for goods moving through the Caribbean and along the U.S. East Coast, highlighting the far-reaching ripple effects of water scarcity in the region.
To address these growing risks, climate experts are calling on national governments, private sector businesses, agricultural producers, and local households to take the projected threats seriously and begin proactive preparation measures immediately. Forecasters note that El Niño projections typically gain significant accuracy starting in May 2026, giving stakeholders a narrow window to act before conditions begin to worsen. Later that month, CIMH will host the annual Caribbean Climate Outlook Forum (CariCOF) during the week of May 24, where regional climate scientists will share updated projections and guidance with national and international stakeholders, ahead of the coming wet and Atlantic hurricane seasons.
David Farrell, Director of CIMH, stressed that timely, actionable climate data is the foundation of effective decision-making to reduce disaster risk. He highlighted the strategic expansion of CIMH’s services focused on water resource management, marine ecosystem monitoring, and Earth observation, all of which are helping to strengthen regional early warning systems for extreme weather. “Proactive measures are absolutely essential to reduce the impact of extreme weather events on vulnerable sectors and communities across the Caribbean,” Farrell said.
Farrell added that strengthening early warning infrastructure and expanding public access to clear, timely climate information are critical to boosting the region’s overall resilience to a changing climate and increasingly frequent extreme weather events. CIMH currently works in close partnership with national governments across the Caribbean and international development partners to advance these resilience-building efforts.