Mouth Flat Beach Weather Forecast

    • 18
    • 25

    Partly cloudy

    • 18
    • 23

    Partly cloudy

    • 17
    • 23

    Partly cloudy

    • 18
    • 28

    Sunny

    • 20
    • 31

    Shower

    • 19
    • 23

    Shower

    • 15
    • 19

    Partly cloudy

Today 11 Mar Kangaroo Island

Partly cloudy. Slight chance of a shower in the late morning and afternoon. The chance of a thunderstorm in the east in the late afternoon and evening. Winds west to northwesterly 15 to 25 km/h tending west to southwesterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures in the mid to high 20s.

South Central Coastal Waters

Wind
Northwesterly 10 to 15 knots turning westerly in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm in the east from the late morning.
Weather Situation
A low pressure trough over central SA will move slowly eastwards over the next couple of days. A high pressure system will become established south of the Bight on Wednesday and the trough will move over the eastern states. The high will move eastwards later in the week to be centred over the Tasman Sea on Friday. A low pressure trough will move across from the west over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

March Temperature

Cape Willoughby (17km)

  • Lowest 3 March, 2025

    16.3 °C

  • Average March

    20.8 °C

  • Highest 9 March, 2025

    33.7 °C

Climate (2020–Present)

Cape Willoughby (17km)

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  • Average Low 2020–2025

    13.2 °C

  • Average 2020–2025

    15.3 °C

  • Average High 2020–2025

    18.3 °C
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