Macs Beach Offshore Weather Forecast

    • 17
    • 18

    Clear

    • 14
    • 16

    Cloudy

    • 14
    • 15

    Cloudy

    • 11
    • 14

    Cloudy

    • 10
    • 15

    Sunny

    • 12
    • 19

    Sunny

    • 15
    • 21

    Sunny

Today 13 Sep Yorke Peninsula

Medium chance of showers, becoming less likely in the afternoon. Mostly sunny afternoon. Winds northwesterly 25 to 40 km/h turning west to southwesterly 20 to 30 km/h in the late morning and early afternoon. Daytime maximum temperatures between 19 and 22.

Gulf St Vincent Coastal Waters

Wind
Northwesterly 15 to 20 knots turning westerly in the middle of the day.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy. 60% chance of showers in the late morning. The chance of a thunderstorm in the late morning and afternoon.
Weather Situation
A trough will move across SA today ahead of a high pressure ridge that will build in the wake. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Macs Beach Offshore Temperature Statistics View More

September Temperature

Roseworthy (57km)

  • Lowest 8 September, 2026

    -0.2 °C

  • Average September

    11.4 °C

  • Highest 1 September, 2026

    20.8 °C

Climate (2021–2026)

Roseworthy (57km)

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  • Average Low 2021–2026

    9.9 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    23.7 °C
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