Shag Rock Weather Forecast

    • 11
    • 20

    Cloudy

    • 12
    • 17

    Windy

    • 7
    • 19

    Partly cloudy

    • 6
    • 22

    Sunny

    • 9
    • 26

    Sunny

    • 13
    • 30

    Sunny

    • 13
    • 21

    Cloudy

Today 14 Sep West Coast

Partly cloudy. The chance of morning fog. The chance of a thunderstorm west of Nullarbor late this afternoon and evening. Winds west to southwesterly 15 to 20 km/h turning south to southeasterly 15 to 25 km/h during the afternoon and evening. Daytime maximum temperatures 20 to 25.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure ridge builds across much of SA, as a cold front slips across southern coasts late today into early Tuesday. A high pressure system will then move across waters to the south throughout the week to be centred over Victoria by Thursday. A low pressure trough in the interior of WA may extend into far western parts at times before weakening by late Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

September Temperature

Streaky Bay (44km)

  • Lowest 10 September, 2026

    4 °C

  • Average September

    14.8 °C

  • Highest 12 September, 2026

    26.7 °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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