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Mollymook Beach Water Temperature and Wetsuit Guide

(South Coast – New South Wales, Australia)

Today's Mollymook Beach sea temperature is 16.2 °C.

Statistics for 18 Aug (1981–2005) – mean: 16.6 °C, range: 15.2 °C to 18.5 °C

The water temperature (16 °C) at Mollymook Beach is quite cool. If the sun shines as we have forecast, it should feel warm enough to surf in a good spring wetsuit. Effective windchill factor of (18 °C) will make the air and water feel about the same temperature.

Australia Sea Water Temperature

Map of current Australia
Surface Water Temperatures
based on measurements from oceanographic satellites
Australia Water Temperature Anomaly

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 Mollymook Beach. 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.

Mollymook Beach Water Temperature Graph

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.

MollymookBeach water temperatures peak in the range 21 to 24°C (70 to 75°F) on around the 29th of January and are at their coldest on about the 16th of August, in the range 15 to 18°C (59 to 64°F). MollymookBeach water temperatures are always warm reach their maximum in late January. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The coldest seasonal water temperatures at MollymookBeach in the middle of August 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 Mollymook Beach 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 Mollymook Beach. Refer to our detailed weather forecasts for this information.