Sea Temperature

Sydney Sea Temperature

(Today) Oct 2018

19.4°C / 67°F

Current weather

24°C / 74°F
(broken clouds)

Partly cloudy

23 mph



The measurements for the water temperature in Sydney, New South Wales 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.

Monthly average max / min water temperatures

The graph below shows the range of monthly Sydney water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Sydney
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.5 22.1 21.6 20.8 18.8 17.5 17.3 17.4 17.2 17.5 19.1 19.5
Max °C 25.1 25.3 25.3 24.6 22.6 21.1 20.9 20.2 19.9 20.9 22.1 24.3
Min °F 72.1 73.1 72.3 71 67.4 64.9 64.6 64.4 64 64.9 67.6 69
Max °F 75.7 76.3 76 74.8 71.2 68.5 68.2 67.2 66.7 68.3 70.6 73.8

7 day tide forecast for Sydney

  • High 02:11am
  • Low 07:42am
  • High 02:18pm
  • Low 09:18pm
  • High 03:19am
  • Low 08:48am
  • High 03:22pm
  • Low 10:21pm
  • High 04:28am
  • Low 10:02am
  • High 04:28pm
  • Low 11:16pm
  • High 05:24am
  • Low 11:06am
  • High 05:24pm
  • Low 12:01am
  • High 06:09am
  • Low 11:58am
  • High 06:12pm
  • Low 12:41am
  • High 06:49am
  • Low 12:45pm
  • High 06:55pm
  • Low 01:17am
  • High 07:27am
  • Low 01:27pm
  • High 07:36pm

*These tide times are estimates based on the nearest port (Sydney, Australia) 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 October sea temperatures

  • Max: 20.9°C / 69.6°F
  • Avg: 19.2°C / 66.6°F
  • Min: 17.5°C / 63.5°F
Sydney average sea temperature chart

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

Map showing location of Sydney (-33.867850, 151.207320)

Locations nearby


Whilst sea temperatures for Sydney 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 Sydney
Gorad Sidnej, SYD, Sanctus Dionysius, Sidnei, Sidnej, Sidneja, Sidnejo, Sidnejus, Sidney, Sidneý, Sidni, Sidnéy, Sidnėjus, Syd, Sydneium, Sydney, Sydney City, Sídney, citni, shidoni, sidani, sideuni, sidnei, sidni, sidniy, sydny, xi ni, Σίδνεϊ, Горад Сідней, Сиднеи, Сидней, Сиднеј, Сидни, Сідней, Сідні, Սիդնեյ, סידני, سيدنى, سيدني, سڈنی, سیدنی, ܣܝܕܢܝ, सिडनी, সিডনি, ਸਿਡਨੀ, સીડની, சிட்னி, సిడ్నీ, ಸಿಡ್ನಿ, സിഡ്നി, ซิดนีย์, སིད་ནེ།, ဆစ်ဒနီမြို့, სიდნეი, ሲድኒ, ស៊ីដនីយ៏, シドニー, 悉尼, 시드니

Sydney average sea temperature chart