Twelve Mile Beach Water Temperature and Wetsuit Guide
(Far South of Western Australia)
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Today's Twelve Mile Beach sea temperature is 18.7 °C
(Which is normal for this time of year)
| Mean: | 19.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 18.1 °C to 20.4 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 11 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
Sunny with pleasantly warm air temperatures (feeling like 23 °C once we account for wind), yet at 18 °C the sea remains several degrees colder than the air at Twelve Mile Beach. The majority of surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.
Map of current Australia Surface Water Temperatures based on measurements from oceanographic satellites |
Map of current Australia Sea Water Temperature Anomalies (compared with long term averages at this time of year) |
(click thumbnails to expand)
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.
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