Wannanup - Oceanside Weather Forecast

    • 14
    • 19

    Showers

    • 13
    • 17

    Shower or two

    • 12
    • 19

    Partly cloudy

    • 11
    • 20

    Mostly sunny

    • 12
    • 23

    Sunny

    • 14
    • 25

    Sunny

    • 16
    • 27

    Sunny

Today 17 Sep Mandurah

Cloudy. Very high chance of showers, becoming less likely in the early afternoon. Winds northwesterly 30 to 35 km/h tending westerly 25 to 30 km/h in the morning then tending southwesterly 15 to 25 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to northwesterly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning southwesterly 10 to 15 knots in the early afternoon.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A ridge lies to the north before a cold front moves through today. A new ridge will begin developing just to the north on Thursday before slipping south of Local Waters on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wannanup - Oceanside Temperature Statistics View More

September Temperature

Mandurah (10km)

  • Lowest 8 September, 2025

    6.8 °C

  • Average September

    14.2 °C

  • Highest 12 September, 2025

    21.1 °C

Climate (2020–Present)

Mandurah (10km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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