
Image caption
April 2025 sea surface temperature compared to the 1985-1993 average (details on climatology from Coral Reef Watch). The box indicates the location of the Niño-3.4 ENSO-monitoring region in the tropical Pacific. The surface of the east-central tropical Pacific is near average, while much of the global ocean remains warmer than average. NOAA Climate.gov image from Data Snapshots.