El Nino Watch

NOAA monthly climate reports

NOAA's monthly global climate, global drought and tropical cyclone reports.

Data and trust

Every month NOAA NCEI publishes 'State of the Climate' reports. The app keeps the global ones: temperature and rain, drought, and tropical cyclones.

Limits. Monthly; the national (US) reports are skipped.

How to read it

Each item has the headline numbers and a link to the full report.

Why it matters for Koh Samui

Expert summaries that mention ENSO's role and regional extremes, including Asia.

Sources

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)