Secret Harbour Weather Forecast

    • 16
    • 23

    Showers increasing

    • 16
    • 21

    Possible shower

    • 13
    • 21

    Partly cloudy

    • 12
    • 22

    Showers increasing

    • 14
    • 19

    Showers easing. Wind easing

    • 11
    • 19

    Shower or two

    • 15
    • 21

    Showers

Today 17 Apr Mandurah

Partly cloudy. Very high chance of showers, most likely in the evening. The chance of a thunderstorm in the evening. Winds westerly 15 to 25 km/h tending northwesterly 25 to 30 km/h in the early afternoon then tending northwest to southwesterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwest to southwesterly 15 to 20 knots tending northwesterly in the evening then tending westerly 20 to 25 knots in the late evening. Winds reaching up to 30 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Weather Situation
A ridge sits over the Local Waters ahead of a cold front tonight. A ridge will develop momentarily over southern parts ahead of the next cold front Monday night.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Secret Harbour Temperature Statistics View More

April Temperature

Mandurah (13km)

  • Lowest 8 April, 2026

    12.7 °C

  • Average April

    19.5 °C

  • Highest 3 April, 2026

    29 °C

Climate (2021–Present)

Mandurah (13km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.2 °C

  • Average High 2021–2026

    23.8 °C
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