The National Oceanic and Atmospheric Administration (NOAA) declared the arrival of El Niño on Thursday, June 11, 2026, according to WIRED and the National Weather Service (NWS). The phenomenon, characterized by hotter-than-normal waters in the eastern tropical Pacific, carries a 63% chance of reaching "very strong" or super El Niño levels by winter, the NWS reported. This sets the stage for significant weather disruptions across global agricultural belts.
The Onset and Strength Forecast
NOAA's threshold for El Niño is a 1°F (0.5°C) anomaly above average over a three-month period in the NINO3.4 region, WIRED explained. The Pacific surpassed that threshold due to a rapid upswing in temperatures. Other indicators include a surge in sea levels of up to 7 inches (18 centimeters) in the eastern tropical Pacific, caused by winds that pile up water. The latest weekly Nino-3.4 index value stood at +0.7°C, with the Nino-1+2 (easternmost) index at +2.1°C, according to the NWS.
NOAA gives a 63% probability that El Niño will exceed the 3.6°F (2.0°C) anomaly threshold, qualifying it as a super El Niño. WIRED noted that some climate models project anomalies surpassing 5.4°F (3.0°C), which would make this the strongest El Niño on record. The equatorial subsurface temperature index has decreased over the past month, but well-above-average subsurface temperatures persist across the central and eastern equatorial Pacific, the NWS reported.
Global Agricultural Impacts
El Niño disrupts weather patterns worldwide. WIRED highlighted that it increases the odds of drought in Indonesia and the Sahel region of Africa, while boosting wet weather in the Southwest US and lowering the odds of an active Atlantic hurricane season. For commodity traders, these shifts threaten major agricultural production zones.
| Region | El Niño Impact | Key Commodity Risk |
|---|---|---|
| Indonesia | Increased drought likelihood | Palm oil, rubber, coffee |
| Sahel (Africa) | Increased drought likelihood | Cocoa, cotton, millet |
| Southern Africa | Historical severe drought | Maize, sugarcane |
| Southwest US | Increased wet weather | Cotton, winter wheat |
India Monsoon and Indian Ocean Dipole
India's monsoon, critical for summer crops, faces headwinds. The India Meteorological Department (IMD) has lowered its forecast for the South-West Monsoon to 90% of the long-period average rainfall, according to AGRI_TIO. The monsoon arrived three days late on the Kerala coast on June 4, 2026. However, the Indian Ocean Dipole (IOD) may provide partial relief. The Japanese weather body JAMSTEC reported that the tropical Indian Ocean is currently in a neutral state, but a positive IOD is predicted by the model in boreal midsummer (July). A positive IOD can bring additional moisture to India, often aiding monsoon rains even in an El Niño year, AGRI_TIO noted. The NWS made no mention of the IOD, as it does not track Indian Ocean developments.

Historical Precedents and Commodity Implications
WIRED documented three previous super El Niños and their devastating impacts:
- 1982-83: Caused Lake Mead to overflow.
- 1997-98: Triggered Indonesia's worst drought on record.
- 2023-24: Resulted in Southern Africa's worst drought in 100 years, with 61 million people requiring food assistance.
El Niño also releases extra heat into the atmosphere, warming an already hot planet, and fries coral reefs already stressed by fossil fuel emissions, WIRED noted. If this event becomes the strongest on record, as some models suggest, the knock-on effects for agricultural supply chains—from palm oil and coffee in Southeast Asia to maize in Southern Africa—could be severe. Traders should monitor NOAA's weekly updates and the development of the IOD, as a positive IOD could mitigate some of India's rainfall deficit. The next major data release will be NOAA's monthly El Niño discussion, which will refine strength probabilities ahead of the Northern Hemisphere winter.