Cap Island Weather Forecast

    • 16
    • 18

    Cloudy

    • 16
    • 20

    Cloudy

    • 19
    • 21

    Partly cloudy

    • 20
    • 23

    Shower

    • 18
    • 19

    Sunny

    • 16
    • 18

    Partly cloudy

    • 17
    • 18

    Partly cloudy

Today 28 Mar West Coast

Mostly sunny. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly 20 to 30 km/h during the morning. Daytime maximum temperatures in the low to high 20s.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
East to southeasterly 10 to 15 knots becoming variable about 10 knots in the early afternoon then becoming east to southeasterly 10 to 15 knots in the late afternoon. Winds reaching up to 20 knots offshore early in the morning and again in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight will move slowly eastwards over the weekend to be centred over the Tasman Sea on Monday. A trough is forecast to enter the far west on Tuesday before sliding over southern parts of SA on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cap Island Temperature Statistics View More

March Temperature

Cummins Airport (64km)

  • Lowest 9 March, 2026

    7.5 °C

  • Average March

    18.9 °C

  • Highest 10 March, 2026

    35.2 °C

Climate (2021–Present)

Cummins Airport (64km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    15.6 °C

  • Average High 2021–2026

    22.9 °C
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