The measurements for the water temperature in Koh Tao, Surat Thani are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
The graph below shows the range of monthly Koh Tao water temperature derived from many years of historical sea surface temperature data.
Maximum and minimum monthly sea temperatures in Koh Tao
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Min °C
26.8
27.2
27.5
28.1
28.8
28.7
28.8
28.2
28.1
28.1
28.1
26.8
Max °C
28.4
28.9
30
31.3
31.4
30.8
30.4
30.1
30
30.4
30.2
29.6
Min °F
80.9
81.6
82.5
83.9
84.9
84.5
84.5
83.5
83.3
83.5
83.4
81.4
Max °F
82.5
83.3
85
87.1
87.5
86.6
86.1
85.4
85.2
85.8
85.5
84.2
7 day tide forecast for Koh Tao
Wed
Thu
Fri
Sat
Sun
Mon
Tue
High 3:58am (2.84m)
Low 10:01am (1.70m)
High 4:09pm (2.82m)
Low 10:39pm (1.45m)
High 5:12am (2.89m)
Low 11:29am (1.67m)
High 5:28pm (2.79m)
Low 11:50pm (1.39m)
High 6:22am (3.04m)
Low 12:42pm (1.51m)
High 6:40pm (2.88m)
Low 12:51am (1.26m)
High 7:20am (3.27m)
Low 1:38pm (1.28m)
High 7:40pm (3.05m)
Low 1:42am (1.08m)
High 8:08am (3.52m)
Low 2:26pm (1.03m)
High 8:30pm (3.25m)
Low 2:28am (0.89m)
High 8:52am (3.77m)
Low 3:09pm (0.78m)
High 9:15pm (3.44m)
Low 3:12am (0.72m)
High 9:35am (3.97m)
Low 3:51pm (0.58m)
High 9:59pm (3.61m)
*These tide times are estimates based on the nearest port (Pulau Besin, Myanmar) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.
These average ocean temperatures for Koh Tao are calculated from several years of archived data.
Map showing location of Koh Tao (10.098080, 99.838090)
Variations
Whilst sea temperatures for Koh Tao are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.
Alternate names for Koh Tao Koh Tao, Tao, keaa tea, Тао, เกาะเต่า
