El Niño Ocean Buoy Dashboard

NOAA TAO buoy readings · Equatorial Pacific · 1980–1998

Highlight year:

Sea Surface Temp Anomaly vs. 18-Year Mean

Red = warmer than the 18-year average (El Niño); blue = cooler (La Niña). Shaded bands mark the four major El Niño events. Anomaly vs. dataset mean — includes seasonal cycle.

Sea Surface & Air Temperature (°C)

Wind Speed — Zonal & Meridional (m/s)

Humidity (%)

Humidity sensors deployed ~1985; earlier data unavailable.