Shag Rock Weather Forecast

    • 13
    • 23

    Partly cloudy

    • 14
    • 22

    Shower

    • 12
    • 28

    Partly cloudy

    • 17
    • 34

    Partly cloudy

    • 22
    • 32

    Shower

    • 14
    • 24

    Shower

    • 14
    • 23

    Shower

Today 25 Sep West Coast

Partly cloudy. Slight chance of a shower, most likely later tonight. The chance of a thunderstorm. Winds south to southeasterly 15 to 25 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
South to southeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
Weather
Partly cloudy. The chance of a thunderstorm inshore.
Weather Situation
A trough extends over central Australia. A strong high pressure system extends a ridge across southern SA this weekend and pushes the trough into northern SA. The high moves into the Tasman Sea early next week, with the trough shifting west towards the WA border.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

September Temperature

Streaky Bay (44km)

  • Lowest 17 September, 2026

    3.3 °C

  • Average September

    15.6 °C

  • Highest 19 September, 2026

    29.9 °C

Climate (2021–2026)

Streaky Bay (44km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.6 °C
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