Saint Alouarn Island Weather Forecast

    • 15
    • 22

    Showers. Possible storm

    • 12
    • 18

    Possible early storm. Showers

    • 11
    • 20

    Possible shower

    • 15
    • 21

    Showers easing

    • 14
    • 20

    Shower or two

    • 11
    • 21

    Mostly sunny

    • 11
    • 21

    Partly cloudy

Today 20 Apr South West

Cloudy. Very high chance of showers. The chance of a thunderstorm. Damaging winds possible in the west. Winds northwesterly 25 to 40 km/h turning westerly 25 to 35 km/h in the late evening.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Northwesterly 25 to 30 knots, reaching up to 35 knots during the afternoon and evening. Winds turning west to southwesterly in the evening.
Seas
2.5 to 3 metres.
1st Swell
Southwesterly 3 metres inshore, increasing to 4 metres offshore.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm. Possible small hail offshore east of Cape Leeuwin later this evening.
Weather Situation
A strong cold front will reach the South West Capes late in the afternoon or early evening, moving across the South West Division tonight before weakening on Tuesday. Meanwhile, a trough extending from the Gascoyne to the eastern South West Land Division is moving east and will move to the Goldfields and Interior on Tuesday. Following a brief ridge over southern WA later Tuesday into Wednesday, a second moderate cold front will move across the southwest on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Alouarn Island Temperature Statistics View More

April Temperature

Cape Leeuwin (6km)

  • Lowest 11 April, 2026

    12.9 °C

  • Average April

    18.4 °C

  • Highest 3 April, 2026

    23.5 °C

Climate (2021–Present)

Cape Leeuwin (6km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    20.7 °C
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