El Nino Watch

Satellite snapshots

Verified satellite pictures: Samui, Gulf of Thailand, SE Asia haze, Pacific SST.

Forecasts and bulletins

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Limits. Satellite pictures are from yesterday; clouds hide the ground.

How to read it

True colour: white = cloud, grey-brown veils = smoke/haze. Aerosol map: yellow to red = thick haze. SST anomaly: red = warmer than normal, blue = cooler; the dark red equatorial band is El Nino.

Why it matters for Koh Samui

A fast visual check of storms, haze and the state of El Nino.

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)