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Augusta Rivermouth Water Temperature and Wetsuit Guide

(Margaret River, Australia)

Today's Augusta Rivermouth sea temperature is 18.9 °C.

Statistics for 09 Aug (1981–2005) – mean: 17.1 °C, range: 15.4 °C to 18.7 °C

The water temperature (18 °C) at Augusta Rivermouth is quite warm but you will need at least quality spring wetsuit, and maybe neoprene hood because it will be cloudy with an effective air temperature of just (8 °C). No need for neoprene boots or gloves.

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 Augusta Rivermouth. 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.

Augusta Rivermouth Water Temperature Graph

All of the graphs for the surf breaks presented on are on the same scale to enable comparison between locations around the world.

Augusta Rivermouth sea water temperatures peak in the range 20 to 22°C (68 to 72°F) on around the 1st of March and are at their lowest on about the 9th of September, in the range 16 to 18°C (61 to 64°F). Augusta Rivermouth sea 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 sea water temperatures at Augusta Rivermouth 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 Augusta Rivermouth 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 Augusta Rivermouth. Refer to our detailed weather forecasts for this information.