Macs Beach Offshore Weather Forecast

    • 17
    • 19

    Clear

    • 17
    • 19

    Windy

    • 16
    • 19

    Windy

    • 15
    • 22

    Sunny

    • 19
    • 24

    Sunny

    • 22
    • 27

    Sunny

    • 24
    • 27

    Partly cloudy

Today 23 Dec Yorke Peninsula

Partly cloudy. Winds south to southwesterly 20 to 30 km/h. Daytime maximum temperatures in the low to mid 20s.

Gulf St Vincent Coastal Waters

Wind
Southerly 10 to 15 knots, reaching up to 20 knots north of Port Vincent to Brighton during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
Southeast to southwesterly below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be in the Tasman Sea on Saturday. A trough embedded in the southwesterly flow around the ridge clips the southeast on Wednesday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Macs Beach Offshore Temperature Statistics View More

December Temperature

Roseworthy (57km)

  • Lowest 7 December, 2025

    4.4 °C

  • Average December

    21.5 °C

  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Roseworthy (57km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
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