Shag Rock Weather Forecast

    • 14
    • 23

    Cloudy

    • 13
    • 22

    Cloudy

    • 14
    • 23

    Cloudy

    • 11
    • 22

    Windy

    • 12
    • 26

    Windy

    • 12
    • 32

    Sunny

    • 18
    • 37

    Sunny

Today 21 Dec West Coast

Cloudy. Winds southerly 15 to 25 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southerly 10 to 15 knots, reaching up to 20 knots inshore.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy.
Weather Situation
A broad trough of low pressure lies over the far northeast as a ridge of high pressure ridge builds over the west and south of the State during Sunday evening. The high pressure ridge extends across the entire State and Coastal Waters by early Monday and persists until Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

December Temperature

Streaky Bay (44km)

  • Lowest 7 December, 2025

    2.9 °C

  • Average December

    21.7 °C

  • Highest 18 December, 2025

    41.7 °C

Climate (2020–Present)

Streaky Bay (44km)

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  • Average Low 2020–2025

    12 °C

  • Average 2020–2025

    16.4 °C

  • Average High 2020–2025

    23.5 °C
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