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Fourth Beach water temperature
Fourth Beach ratings
Quality on a good day: 2.0
Consistency of Surf: 4.0
Difficulty Level: 4.0
Crowds: 3.0

Overall: 3.8

See all 18 ratings

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Fourth Beach Water Temperature and Wetsuit Guide

(Far South of Western Australia)

Today's Fourth Beach sea temperature is 20.1 °C.

Statistics for 14 Apr (1981–2005) – mean: 19.2 °C, range: 18.5 °C to 20.0 °C

The water temperature (20 °C) at Fourth Beach is warm and the air temperature should feel similar (windchill forecast 16 °C). If the sun does come out as forecast, it should feel warm enough to surf in a shorty or a summer wetsuit.

Below is a graph of Historical Sea Surface Temperature for Fourth 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.

Fourth Beach 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.

Fourth Beach sea temperatures peak in the range 19 to 21°C (66 to 70°F) on around the 16th of February and are at their coldest on about the 8th of September, in the range 15 to 17°C (59 to 63°F). The highest Fourth Beach sea temperatures in the middle of February require something like a 3/2mm fully sealed wetsuit. The coldest seasonal sea temperatures at Fourth Beach 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 Fourth 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 Fourth Beach. Refer to our detailed weather forecasts for this information.