Macs Beach Offshore Weather Forecast

    • 19
    • 21

    Partly cloudy

    • 19
    • 21

    Sunny

    • 19
    • 22

    Sunny

    • 19
    • 23

    Sunny

    • 20
    • 22

    Partly cloudy

    • 19
    • 20

    Partly cloudy

    • 17
    • 18

    Windy

Today 20 Mar Yorke Peninsula

Mostly sunny. Slight chance of a shower in the north during the morning and afternoon. Near zero chance of rain elsewhere. Winds southeasterly 15 to 20 km/h turning south to southwesterly 15 to 25 km/h in the late morning and early afternoon then tending south to southeasterly in the evening. Daytime maximum temperatures in the mid to high 20s.

Gulf St Vincent Coastal Waters

Wind
South to southeasterly 10 to 15 knots becoming variable below 10 knots in the morning then becoming southerly 10 to 15 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure will persist across the state. The high pressure centre will become established in the Tasman Sea over the weekend ahead of a cold front early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Macs Beach Offshore Temperature Statistics View More

March Temperature

Roseworthy (57km)

  • Lowest 9 March, 2026

    7.9 °C

  • Average March

    19.6 °C

  • Highest 10 March, 2026

    36.1 °C

Climate (2021–Present)

Roseworthy (57km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    23.7 °C
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