Cape Blanche Offshore Weather Forecast

    • 16
    • 20

    Sunny

    • 18
    • 21

    Windy

    • 19
    • 22

    Windy

    • 20
    • 23

    Sunny

    • 21
    • 22

    Partly cloudy

    • 18
    • 18

    Partly cloudy

    • 17
    • 18

    Partly cloudy

Today 8 Dec West Coast

Sunny. Winds north to northwesterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the middle of the day then tending southeast to southwesterly 20 to 30 km/h in the late afternoon. Daytime maximum temperatures 31 to 37.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
Weather
Sunny.
Weather Situation
A broad ridge extends over inland parts of the state while a weak cold front clips the southeast late Monday. From Tuesday another high pressure system develops south of the Bight, strengthening the ridge over the state ahead of a trough of low pressure developing across the far northwest late Tuesday persisting late into the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Blanche Offshore Temperature Statistics View More

December Temperature

Streaky Bay (28km)

  • Lowest 7 December, 2025

    2.9 °C

  • Average December

    20.3 °C

  • Highest 3 December, 2025

    36.1 °C

Climate (2020–Present)

Streaky Bay (28km)

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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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