El Nino Watch

Exit routes: train from Surat Thani

Trains from Surat Thani station (Phun Phin) on the mainland.

Koh Samui watch

The State Railway of Thailand's southern line links Surat Thani with Bangkok and the rest of the network; tickets are sold online (D-Ticket).

Limits. Floods in the South can cut the line during the northeast monsoon; check before relying on it.

How to read it

Useful after the ferry when flights are full. Check the train and seats on the SRT sites.

A high-capacity onward option once you are on the mainland.

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)