Goodwin Bay Weather Forecast

    • 20
    • 34

    Sunny

    • 19
    • 35

    Clear

    • 24
    • 37

    Possible storm

    • 25
    • 34

    Mostly clear

    • 21
    • 27

    Partly cloudy

    • 18
    • 27

    Clear

    • 18
    • 28

    Mostly clear

Today 12 Dec Perth

Sunny. Winds southeasterly 25 to 35 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the late afternoon. Winds turning southeasterly 15 to 20 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
An inland trough will move closer to the west coast by the weekend where it will deepen. The trough will move offshore from the Local Waters on Sunday as a high pressure system moves into the Bight and strengthens.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Goodwin Bay Temperature Statistics View More

December Temperature

Garden Island (0km)

  • Lowest 4 December, 2025

    16.4 °C

  • Average December

    20.8 °C

  • Highest 1 December, 2025

    36.8 °C

Climate (2020–Present)

Garden Island (0km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.4 °C
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