Mouth Flat Beach Weather Forecast

    • 15
    • 24

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 15
    • 29

    Partly cloudy

    • 15
    • 28

    Partly cloudy

    • 19
    • 26

    Shower

    • 15
    • 20

    Cloudy

    • 14
    • 23

    Partly cloudy

Today 18 Feb Kangaroo Island

Partly cloudy. Slight chance of a shower in the west, near zero chance elsewhere. Winds westerly 20 to 30 km/h becoming light in the late evening. Daytime maximum temperatures in the low to mid 20s.

South Central Coastal Waters

Wind
Westerly 15 to 20 knots decreasing to about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre later in the evening.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure across the south of SA will weaken during Saturday as a broad trough of low pressure extends across the west and north. The trough will move eastwards during Sunday and a cold front will move across the south. A broad area of low pressure will persist across the north early next week and a high pressure ridge will become established over waters to the south.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

February Temperature

Cape Willoughby (17km)

  • Lowest 2 February, 2026

    14.4 °C
  • Average February

    18.6 °C
  • Highest 16 February, 2026

    34.9 °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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