Mouth Flat Beach Weather Forecast

    • 13
    • 19

    Partly cloudy

    • 14
    • 23

    Shower

    • 17
    • 25

    Shower

    • 15
    • 20

    Cloudy

    • 13
    • 22

    Shower

    • 16
    • 23

    Shower

    • 12
    • 17

    Shower

Today 4 Apr Kangaroo Island

Partly cloudy. Winds easterly 20 to 30 km/h. Daytime maximum temperatures in the low 20s.

South Central Coastal Waters

Wind
Easterly 15 to 20 knots.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 2 metres later in the evening.
Weather
Partly cloudy.
Weather Situation
A high pressure system southeast of the Bight will continue to move southeastwards to be centred southeast of Tasmania by Sunday allowing a trough over WA to link to a weak front south of the Bight moving over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

April Temperature

Cape Willoughby (17km)

  • Lowest 2 April, 2026

    14.3 °C
  • Average April

    17.4 °C
  • Highest 1 April, 2026

    21.7 °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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