El Nino Watch

NOAA Climate at a Glance

NOAA's official monthly temperature departures for the globe and for Asia.

Data and trust

NOAA's National Centers for Environmental Information publish monthly anomalies from their NOAAGlobalTemp dataset for the globe (land + ocean) and for each continent.

Limits. Monthly, around the 10th of the next month. Continental values are for land only.

How to read it

degC above the 1901-2000 average (a different, older baseline than NASA's and the Met Office's, so the numbers are higher). August 2026: globe +1.32, Asian land +1.75.

Why it matters for Koh Samui

Shows how the El Nino year ranks against the record for the globe and for Asia.

Sources

ncei.noaa.gov
ncei.noaa.gov

ENSO status now

ONI (NOAA CPC): +1.80 °C, JJA 2026 (previous +1.39 °C)
RONI (NOAA CPC): +1.36 °C, JJA 2026
Nino 3.4 weekly (NOAA CPC / OISST): +3.0 °C anomaly, week of 16 Sep 2026 (SST 29.6 °C)