Collaroy Water Temperature and Wetsuit Guide
(Sydney North Coast, Australia)
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Today's Collaroy sea temperature is 22.0 °C
(Which is slightly warmer than usual)
| Mean: | 21.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 20.3 °C to 23.2 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 06 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a shorty .
Sunny with pleasantly warm air temperatures (feeling like 20 °C once we account for wind), and similar sea temperatures (22 °C). Wear boardshorts or a shorty, or better still a thin summer wetsuit to keep the UV off.
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 Collaroy. 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.
Collaroy sea temperatures peak in the range 22 to 25°C (72 to 77°F) on around the 28th of January and are at their coldest on about the 18th of July, in the range 16 to 20°C (61 to 68°F). Collaroy sea temperatures are always warm reach their warmest in the fourth week of January. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The coldest seasonal sea temperatures at Collaroy 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 Collaroy 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 Collaroy. Refer to our detailed weather forecasts for this information.
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