Cape Blanche Offshore Weather Forecast

    • 17
    • 18

    Partly cloudy

    • 16
    • 17

    Partly cloudy

    • 14
    • 18

    Sunny

    • 15
    • 18

    Cloudy

    • 16
    • 17

    Shower

    • 16
    • 17

    Shower

    • 16
    • 17

    Shower

Today 19 May West Coast

Partly cloudy. Slight chance of a shower in the late morning. Winds west to southwesterly 15 to 25 km/h tending south to southwesterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures around 20.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southwesterly 10 to 15 knots turning southerly below 10 knots during the afternoon and evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure lies across SA. A cold front clipped the southeast this morning, followed by a high pressure system which becomes dominant. The high is expected to move into the Tasman Sea by Friday as a cold front moves across the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Blanche Offshore Temperature Statistics View More

May Temperature

Streaky Bay (28km)

  • Lowest 12 May, 2026

    4.3 °C

  • Average May

    14.6 °C

  • Highest 1 May, 2026

    28.8 °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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