Shag Rock Weather Forecast

    • 9
    • 17

    Partly cloudy

    • 9
    • 18

    Cloudy

    • 8
    • 18

    Cloudy

    • 9
    • 17

    Cloudy

    • 9
    • 18

    Cloudy

    • 6
    • 20

    Partly cloudy

    • 10
    • 20

    Shower

Today 12 Aug West Coast

Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds southwesterly 15 to 25 km/h becoming light in the evening.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southwesterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will extend into South Australia from the west this evening, with the associated high to move over the state on Thursday. The high will then gradually drift to the southeast to be located in vicinity of Tasmania over the weekend, with a ridge expected to remain over South Australia.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

August Temperature

Streaky Bay (44km)

  • Lowest 10 August, 2026

    1.5 °C

  • Average August

    11.6 °C

  • Highest 8 August, 2026

    19.1 °C

Climate (2021–2026)

Streaky Bay (44km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.6 °C
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