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Pacific waters hit record heat as El Niño intensifies

Sea surface temperatures in a key Pacific zone have reached an unprecedented 29.70°C, according to European monitoring data. The milestone surpasses previous peaks recorded during major El Niño events, signalling an intensification of the climate phenomenon.

LSN Malaysia · 12 October 2026

Pacific waters hit record heat as El Niño intensifies

European climate monitors have recorded the highest sea surface temperatures ever measured in a critical Pacific monitoring zone, with readings reaching 29.70°C last month. The figure eclipses all previous records, including those set during powerful El Niño episodes in recent decades.

El Niño, a periodic warming of ocean temperatures across the central and eastern Pacific Ocean, exerts significant influence on global weather patterns and regional climate conditions. The phenomenon typically brings warmer and drier conditions to parts of Asia and Southeast Asia, affecting rainfall patterns, agricultural output, and water availability.

The record temperature reading underscores growing concerns about the intensity of the current El Niño cycle. Scientists monitor sea surface temperatures in the Niño 3.4 region, a key indicator zone in the equatorial Pacific, to track the phenomenon's development and strength.

The surge in Pacific water temperatures comes amid broader global climate patterns, with implications for weather systems across the Indian Ocean and Southeast Asian region. Malaysian authorities and regional meteorological services typically adjust forecasts and advisories based on El Niño intensity to prepare for potential impacts on monsoon patterns and weather conditions.