Castlecrag Sea Temperature

(Today) Sep 2017

18.3°C / 65°F

Current weather

(clear sky)
10°C / 50°F

Partly cloudy

9 mph



The measurements for the sea temperature in Castlecrag, New South Wales 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.

7 day tide forecast for Castlecrag

  • Low 02:37am
  • High 08:45am
  • Low 02:50pm
  • High 08:59pm
  • Low 03:11am
  • High 09:23am
  • Low 03:32pm
  • High 09:38pm
  • Low 03:45am
  • High 10:01am
  • Low 04:15pm
  • High 10:17pm
  • Low 04:20am
  • High 10:40am
  • Low 05:00pm
  • High 10:59pm
  • Low 04:56am
  • High 11:21am
  • Low 05:48pm
  • High 11:44pm
  • Low 05:35am
  • High 12:05pm
  • Low 06:41pm
  • High 12:34am
  • Low 06:21am
  • High 12:55pm
  • Low 07:42pm

*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 September sea temperatures

  • Max: 19.9°C / 67.9°F
  • Avg: 18.5°C / 65.3°F
  • Min: 17.3°C / 63.1°F
Castlecrag average sea temperature chart

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

Map showing location of Castlecrag (-33.800000, 151.216670)

Locations nearby


Whilst sea temperatures for Castlecrag 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 Castlecrag