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Isolators water temperature
Isolators ratings
Quality on a good day: 2.0
Consistency of Surf: 5.0
Difficulty Level: 1.0
Crowds: 2.0

Overall: 2.8

See all 18 ratings

Based on 3 votes. Vote


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Isolators Water Temperature and Wetsuit Guide

(Margaret River, Australia)

Today's Isolators sea temperature is 19.2 °C.

Statistics for 18 Nov (1981–2005) – mean: 18.5 °C, range: 16.5 °C to 20.6 °C

The water temperature (19 °C) at Isolators 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 17 °C.

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 Isolators. 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.

Isolators 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.

Isolators sea 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 18°C (61 to 64°F). Isolators sea water temperatures are warmest 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 Isolators 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 Isolators 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 Isolators. Refer to our detailed weather forecasts for this information.