Green Hills Water Temperature and Wetsuit Guide
(Sydney South Coast, Australia)
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Today's Green Hills sea temperature is 19.4 °C
(Which is slightly cooler than normal)
| Mean: | 20.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 18.8 °C to 22.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 22 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (19 °C) at Green Hills is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 16 °C.
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 Green Hills. 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.
Green Hills water temperatures peak in the range 22 to 25°C (72 to 77°F) on around the 5th of February and are at their lowest on about the 18th of July, in the range 16 to 20°C (61 to 68°F). Green Hills water temperatures are always warm reach their highest at the beginning of February. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The lowest seasonal water temperatures at Green Hills in the third week of July 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 Green Hills 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 Green Hills. Refer to our detailed weather forecasts for this information.
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