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Ko Samet - Sai Kaew water temperature
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Ko Samet – Sai Kaew Water Temperature and Wetsuit Guide

(Gulf of Thailand)

Today's Ko Samet - Sai Kaew sea temperature is 31.7 °C.

Statistics for 19 Jun (1981–2005) – mean: 29.6 °C, range: 28.6 °C to 30.6 °C

Hot air temperatures, feeling like 30 °C once we account for wind, and very warm water temperature (31 °C) at Ko Samet - Sai Kaew. Clouds should reduce UV so boardshorts and a rash vest should be ok.

Thailand Sea Water Temperature

Map of current Thailand
Surface Water Temperatures
based on measurements from oceanographic satellites
Thailand Water Temperature Anomaly

Map of current Thailand
Sea Water Temperature Anomalies

(compared with long term averages
at this time of year)

(click thumbnails to expand)

Below is a graph of Historical Sea Surface Temperature for Ko Samet - Sai Kaew. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.

Ko Samet - Sai Kaew Water Temperature Graph

All of the graphs for the surf breaks presented on are on the same scale to enable comparison between locations around the world.

Actual sea surface water temperatures close to shore at Ko Samet - Sai Kaew can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Ko Samet - Sai Kaew. Refer to our detailed weather forecasts for this information.