Today's Port Geographe Bay sea temperature is 16.5 °C
(2.8°C colder than average for this time of year)
| Mean: | 19.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 18.4 °C to 20.6 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 21 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit and neoprene boots.
The water temperature at Port Geographe Bay is rather cool (16 °C) and the air temperature will feel similar. A good quality spring wetsuit with optional neoprene boots should suffice. No need for wetsuit gloves.
 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 Port Geographe 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.
Port Geographe Bay water temperatures peak in the range 21 to 22°C (70 to 72°F) on around the 1st of March and are at their lowest on about the 10th of September, in the range 16 to 19°C (61 to 66°F). Port Geographe Bay water temperatures are highest at the beginning of March. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The lowest seasonal water temperatures at Port Geographe Bay in early to mid 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 Port Geographe 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 Port Geographe Bay. Refer to our detailed weather forecasts for this information.
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