Today's Dirk Hartog Island sea temperature is 22.1 °C
(Slightly warmer than usual (0.8° above average))
| Mean: | 21.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 20.2 °C to 22.2 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 11 Aug (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (22 °C) at Dirk Hartog Island is warm. If the sun shines as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 13 °C, allowing for wind effects.
 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 Dirk Hartog Island. 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.
Dirk Hartog Island sea water temperatures peak in the range 23 to 27°C (73 to 81°F) on around the 19th of March and are at their lowest on about the 11th of September, in the range 20 to 22°C (68 to 72°F). Year round warm sea water temperatures at Dirk Hartog Island climb to their highest in the third week of March. Even then a rash vest and board shorts should be fine for surfing at any time of year. Dirk Hartog Island sea water temperatures are lowest in the second week of September. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up.
Actual sea surface water temperatures close to shore at Dirk Hartog Island 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 Dirk Hartog Island. Refer to our detailed weather forecasts for this information.
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