Sea Temperature

Ko Samui Sea Temperature

(Today) Dec 2017

28.3°C / 83°F

Current weather

(few clouds)
30°C / 86°F

Partly cloudy
Wind

8 mph

Humidity

70%


The measurements for the sea temperature in Ko Samui, Surat Thani are provided by the daily satellite readings provided by the NOAA. The temperatures given are the surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly water temperatures over several years.

Maximum and minimum monthly sea temperatures in Ko Samui
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 26.9 27.2 27.5 28.2 28.9 28.9 28.9 28.2 28.2 28 28.1 26.8
Max °C 28.5 28.9 29.9 31.5 31.4 30.7 30.6 30.1 30.1 30.4 30.3 29.6
Min °F 81.1 81.6 82.5 84 85 84.7 84.7 83.5 83.5 83.4 83.5 81.4
Max °F 82.7 83.3 84.9 87.3 87.5 86.5 86.4 85.4 85.4 85.8 85.7 84.2

7 day tide forecast for Ko Samui

ThuFriSatSunMonTueWed
  • Low 01:33am
    (1.39m)
  • High 07:29am
    (2.98m)
  • Low 01:41pm
    (1.18m)
  • High 08:00pm
    (3.32m)
  • Low 02:19am
    (1.20m)
  • High 08:16am
    (3.12m)
  • Low 02:20pm
    (1.06m)
  • High 08:37pm
    (3.51m)
  • Low 02:55am
    (1.02m)
  • High 08:54am
    (3.26m)
  • Low 02:54pm
    (0.94m)
  • High 09:11pm
    (3.67m)
  • Low 03:27am
    (0.86m)
  • High 09:28am
    (3.38m)
  • Low 03:25pm
    (0.85m)
  • High 09:42pm
    (3.80m)
  • Low 03:57am
    (0.75m)
  • High 10:01am
    (3.47m)
  • Low 03:55pm
    (0.78m)
  • High 10:13pm
    (3.89m)
  • Low 04:27am
    (0.67m)
  • High 10:32am
    (3.52m)
  • Low 04:25pm
    (0.75m)
  • High 10:43pm
    (3.93m)
  • Low 04:56am
    (0.64m)
  • High 11:04am
    (3.53m)
  • Low 04:54pm
    (0.76m)
  • High 11:14pm
    (3.91m)

*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.

Average December sea temperatures

  • Max: 26.8°C / 80.2°F
  • Avg: 28.2°C / 82.8°F
  • Min: 29.6°C / 85.3°F
Ko Samui average sea temperature chart

These average ocean temperatures for Ko Samui are calculated from several years of archived data.

Map showing location of Ko Samui (9.535670, 99.935670)

Locations nearby

Variations

Whilst sea temperatures for Ko Samui 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 Ko Samui
Amphoe Ko Samui, Amphoe Koh Sa-mui, Amphoe Koksamui, Ban Na Dhaun, Ban Na Thaun, Ban Na Thon, Ban Natawn, Ban Naton, Ban Suan Yang, Ko Samui, Na Thaun, Naton, keaasmuy, เกาะสมุย

Ko Samui average sea temperature chart