Mouth Flat Beach Weather Forecast

    • 10
    • 15

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 8
    • 15

    Partly cloudy

    • 8
    • 14

    Cloudy

Today 10 Aug Kangaroo Island

Cloudy. Very high chance of showers, most likely in the early morning. Winds south to southwesterly 25 to 40 km/h shifting northwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to around 9 with daytime temperatures reaching between 12 and 15.

South Central Coastal Waters

Wind
South to southwesterly 20 to 30 knots, tending west to southwesterly 15 to 25 knots from the west in the early afternoon. Winds turning west to northwesterly 15 to 20 knots in the afternoon.
Seas
2 to 3 metres, decreasing to 1 to 2 metres around midday, then decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

August Temperature

Cape Willoughby (17km)

  • Lowest 4 August, 2026

    8.9 °C

  • Average August

    12.3 °C

  • Highest 7 August, 2026

    17.4 °C

Climate (2021–2026)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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