Cape Radstock Offshore Weather Forecast

    • 13
    • 15

    Cloudy

    • 13
    • 15

    Shower

    • 12
    • 15

    Partly cloudy

    • 13
    • 17

    Shower

    • 15
    • 16

    Shower

    • 14
    • 15

    Shower

    • 14
    • 15

    Shower

Today 15 Aug West Coast

Cloudy. The chance of morning fog south of Streaky Bay. Slight chance of a shower, most likely during this afternoon and evening. Light winds becoming easterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures around 18.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Easterly 10 to 15 knots decreasing to about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Weather
Cloudy.
Weather Situation
A high pressure system centred in the Bight, is slowly drifting to the southeast to be located in the Tasman Sea on Monday. A ridge of high pressure is expected to remain over South Australia. A trough of low pressure moves in the far west of South Australia later on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Radstock Offshore Temperature Statistics View More

August Temperature

Streaky Bay (55km)

  • Lowest 10 August, 2026

    1.5 °C

  • Average August

    11.6 °C

  • Highest 8 August, 2026

    19.1 °C

Climate (2021–2026)

Streaky Bay (55km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.6 °C
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