Mouth Flat Beach Weather Forecast

    • 11
    • 20

    Cloudy

    • 12
    • 21

    Partly cloudy

    • 12
    • 21

    Sunny

    • 14
    • 20

    Shower

    • 14
    • 20

    Shower

    • 12
    • 18

    Shower

    • 11
    • 19

    Shower

Today 12 May Kangaroo Island

Partly cloudy. Light winds.

South Central Coastal Waters

Wind
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system near Tasmania is slowly moving east, reaching the Tasman Sea by tomorrow. A trough of low pressure moves into the far west late on Friday and continues across SA over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

May Temperature

Cape Willoughby (17km)

  • Lowest 3 May, 2026

    11.5 °C

  • Average May

    15.6 °C

  • Highest 1 May, 2026

    24.4 °C

Climate (2021–Present)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
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