Macs Beach Offshore Weather Forecast

    • 12
    • 14

    Shower

    • 11
    • 14

    Partly cloudy

    • 11
    • 12

    Shower

    • 9
    • 12

    Partly cloudy

    • 9
    • 12

    Partly cloudy

    • 8
    • 12

    Partly cloudy

    • 9
    • 15

    Sunny

Today 4 Aug Yorke Peninsula

Cloudy. High chance of showers, most likely during the morning and afternoon. Winds north to northwesterly 35 to 50 km/h tending west to northwesterly 25 to 35 km/h in the evening. Daytime maximum temperatures around 16.

Gulf St Vincent Coastal Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the morning and early afternoon. Winds turning northwesterly 20 to 25 knots in the late afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A cold front is pushing across coastal waters during Monday followed by a weaker front skimming the southern coasts late Tuesday. A large high pressure system will establish in the Bight on Wednesday, slowly moving to the south east on Thursday and extending a ridge over coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Macs Beach Offshore Temperature Statistics View More

August Temperature

Roseworthy (57km)

  • Lowest 1 August, 2025

    0.7 °C

  • Average August

    7.7 °C

  • Highest 1 August, 2025

    14.5 °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

    23.7 °C
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