Today's Twelve Mile Beach sea temperature is 17.4 °C
(Normal for this time of year)
| Mean: | 17.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 16.6 °C to 18.8 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 27 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
The Twelve Mile Beach water temperature is reasonably warm (17 °C) but the air temperature will feel a few degrees cooler (13 °C). A good quality spring wetsuit would be ideal.
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Below is a graph of Historical Sea Surface Temperature for Twelve Mile Beach. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.

All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.
Twelve Mile Beach sea temperatures peak in the range 19 to 21°C (66 to 70°F) on around the 16th of February and are at their lowest on about the 29th of September, in the range 15 to 17°C (59 to 63°F). The maximum Twelve Mile Beach sea temperatures in the middle of February require something like a 3/2mm fully sealed wetsuit. The lowest seasonal sea temperatures at Twelve Mile Beach in late September lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots.
Actual sea surface water temperatures close to shore at Twelve Mile Beach can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Twelve Mile Beach. Refer to our detailed weather forecasts for this information.


