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Secret Harbour water temperature
Secret Harbour ratings
Quality on a good day: 3.5
Consistency of Surf: 3.3
Difficulty Level: 2.8
Wind and Kite Surfing: 2.7
Crowds: 2.7

Overall: 3.2

See all 18 ratings

Based on 60 votes. Vote

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Secret Harbour Water Temperature and Wetsuit Guide

(Perth City Coast, Australia)

Today's Secret Harbour sea temperature is 21.4 °C.

Statistics for 06 May (1981–2005) – mean: 21.7 °C, range: 20.1 °C to 24.4 °C

Warm in and out of the water temperature at Secret Harbour today, but forecast to be overcast. With sea temperatures of 21 °C and a wind chill of 21 °C, most surfers will choose a shorty or a summer suit or just board shorts.

Below is a graph of Historical Sea Surface Temperature for Secret Harbour. 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.

Secret Harbour 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.

Secret Harbour sea temperatures peak in the range 22 to 23°C (72 to 73°F) on around the 1st of March and are at their minimum on about the 10th of September, in the range 17 to 20°C (63 to 68°F). Secret Harbour sea temperatures are always warm reach their warmest at the beginning of March. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The minimum Secret Harbour sea temperatures in early to mid September require something like a 3/2mm fully sealed wetsuit.

Actual sea surface water temperatures close to shore at Secret Harbour 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 Secret Harbour. Refer to our detailed weather forecasts for this information.