Mouth Flat Beach Weather Forecast

    • 10
    • 17

    Sunny

    • 10
    • 16

    Sunny

    • 12
    • 18

    Shower

    • 12
    • 17

    Shower

    • 8
    • 17

    Partly cloudy

    • 12
    • 19

    Shower

    • 12
    • 17

    Shower

Today 7 Jun Kangaroo Island

The chance of fog early this morning. Sunny afternoon. Light winds becoming north to northwesterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots west of Kangaroo Island in the late morning. Winds turning northerly in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system over western NSW will continue to move eastwards to be centred over the Tasman Sea by Monday. Northerly winds freshen over the coastal waters on Tuesday ahead of a weakening cold front mid-week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

June Temperature

Cape Willoughby (17km)

  • Lowest 5 June, 2026

    9.8 °C

  • Average June

    13.3 °C

  • Highest 1 June, 2026

    18.3 °C

Climate (2021–Present)

Cape Willoughby (17km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
Get WillyWeather+ to remove ads