Cape Blanche Offshore Weather Forecast

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    Partly cloudy

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    Shower

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    Shower

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    Shower

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    Shower

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    Shower

Today 30 Apr West Coast

Mostly sunny. Winds northerly 25 to 35 km/h increasing to 30 to 45 km/h in the morning then turning northeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures in the low to mid 30s.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay during the morning.
Seas
1 to 2 metres, decreasing below 1 metre by early evening.
1st Swell
Southwesterly 2 metres.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a front that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend. The low pressure system associated with this front is expected to cross south SA and bring a following trough across southern coasts late Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Blanche Offshore Temperature Statistics View More

April Temperature

Streaky Bay (28km)

  • Lowest 14 April, 2026

    5.3 °C

  • Average April

    17.4 °C

  • Highest 23 April, 2026

    31.6 °C

Climate (2021–Present)

Streaky Bay (28km)

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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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