Kwinana Beach Boat Ramp Weather Forecast

    • 17
    • 29

    Sunny

    • 19
    • 34

    Sunny

    • 21
    • 40

    Sunny

    • 27
    • 39

    Mostly sunny

    • 22
    • 27

    Partly cloudy

    • 16
    • 28

    Cloud clearing

    • 16
    • 30

    Sunny

Today 22 Dec Perth

Sunny. Winds east to southeasterly 20 to 30 km/h tending south to southwesterly 25 to 35 km/h in the middle of the day then tending southeasterly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeast to southwesterly 15 to 25 knots.
Seas
Around 1 metre, increasing to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
A ridge persists over local waters. A weak front will brush the south coast today, followed by the west coast trough returning by Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Kwinana Beach Boat Ramp Temperature Statistics View More

December Temperature

Garden Island (6km)

  • Lowest 21 December, 2025

    13.9 °C

  • Average December

    21.7 °C

  • Highest 14 December, 2025

    38.8 °C

Climate (2020–Present)

Garden Island (6km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    23.4 °C
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