Dee Why Sea Temperature

(Today) Sep 2017

19.4°C / 67°F

Current weather

(clear sky)
11°C / 52°F

Partly cloudy

6 mph



The measurements for the sea temperature in Dee Why, 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 Dee Why

  • Low 05:45am
  • High 12:03pm
  • Low 06:25pm
  • High 12:28am
  • Low 06:24am
  • High 12:44pm
  • Low 07:13pm
  • High 01:15am
  • Low 07:07am
  • High 01:30pm
  • Low 08:04pm
  • High 02:05am
  • Low 07:55am
  • High 02:19pm
  • Low 08:56pm
  • High 02:57am
  • Low 08:46am
  • High 03:10pm
  • Low 09:46pm
  • High 03:48am
  • Low 09:37am
  • High 03:58pm
  • Low 10:32pm
  • High 05:35am
  • Low 11:26am
  • High 05:45pm

*These tide times are estimates based on the nearest port (Camp Cove, 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
Dee Why average sea temperature chart

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

Map showing location of Dee Why (-33.750000, 151.300000)

Locations nearby


Whilst sea temperatures for Dee Why 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 Dee Why