Today's Catherine Hill Bay sea temperature is 20.7 °C
(Slightly warmer than usual (0.7° above average))
| Mean: | 20.0 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 18.6 °C to 21.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 11 Nov (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a shorty .
Warm in and out of the water temperature at Catherine Hill Bay today, but forecast to be overcast. With sea temperatures of 20 °C and a wind chill of 24 °C, most surfers will choose a shorty or a summer suit or just board shorts.
 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 Catherine Hill Bay. 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.
Caherine Hill Bay water temperatures peak in the range 22 to 26°C (72 to 79°F) on around the 29th of January and are at their lowest on about the 18th of July, in the range 16 to 20°C (61 to 68°F). Caherine Hill Bay water temperatures are always warm reach their highest in late January. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The lowest Caherine Hill Bay water temperatures in the third week of July require something like a 3/2mm fully sealed wetsuit.
Actual sea surface water temperatures close to shore at Catherine Hill Bay 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 Catherine Hill Bay. Refer to our detailed weather forecasts for this information.
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