Simounds Beach Weather Forecast

    • 21
    • 38

    Partly cloudy

    • 21
    • 33

    Partly cloudy

    • 15
    • 27

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 13
    • 27

    Windy

    • 13
    • 32

    Sunny

    • 19
    • 37

    Sunny

Today 11 Dec West Coast

Mostly sunny. Slight chance of a shower south of Streaky Bay, becoming less likely this afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm east of Ceduna during the morning and afternoon. Winds east to southeasterly 20 to 30 km/h tending southeast to southwesterly in the late afternoon. Daytime maximum temperatures 32 to 41.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay early in the morning.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore.
1st Swell
Southwesterly 1.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A ridge of high pressure persists over southern SA, before the high centre moves eastwards over the Tasman Sea late today. A trough of low pressure is expected to move eastwards across the SA waters on Friday. Another ridge of high pressure will move over the south during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Simounds Beach Temperature Statistics View More

December Temperature

Streaky Bay (30km)

  • Lowest 7 December, 2025

    2.9 °C

  • Average December

    20.6 °C

  • Highest 3 December, 2025

    36.1 °C

Climate (2020–Present)

Streaky Bay (30km)

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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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