Seal Island Weather Forecast

    • 15
    • 24

    Clear

    • 16
    • 28

    Becoming windy. Sunny

    • 17
    • 31

    Sunny

    • 17
    • 31

    Sunny

    • 19
    • 32

    Sunny

    • 20
    • 31

    Sunny

    • 20
    • 31

    Sunny

Today 27 Dec Perth

Clear. Winds southwesterly 25 to 35 km/h turning southerly 15 to 25 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 20 to 30 knots.
Seas
2 metres.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Clear.
Weather Situation
A ridge is developing along the south coast during the weekend in the wake of a trough that has moved inland.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seal Island Temperature Statistics View More

December Temperature

Garden Island (5km)

  • Lowest 21 December, 2025

    13.9 °C

  • Average December

    22.1 °C

  • Highest 25 December, 2025

    41.8 °C

Climate (2020–Present)

Garden Island (5km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.4 °C
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