Shag Rock Weather Forecast

    • 11
    • 21

    Shower

    • 12
    • 17

    Shower

    • 11
    • 17

    Shower

    • 10
    • 19

    Shower

    • 11
    • 19

    Shower

    • 10
    • 18

    Cloudy

    • 10
    • 19

    Shower

Today 23 May West Coast

Cloudy. Very high chance of showers west of Ceduna, high chance elsewhere. The chance of a thunderstorm west of Nullarbor in the early morning. Winds northwest to northeasterly 20 to 30 km/h tending northwest to southwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching between 17 and 21.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Northerly 15 to 20 knots shifting west to southwesterly during the afternoon and evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

May Temperature

Streaky Bay (44km)

  • Lowest 12 May, 2026

    4.3 °C

  • Average May

    14.5 °C

  • Highest 1 May, 2026

    28.8 °C

Climate (2021–Present)

Streaky Bay (44km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.6 °C
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