Macs Beach Offshore Weather Forecast

    • 14
    • 21

    Clear

    • 18
    • 22

    Partly cloudy

    • 16
    • 19

    Partly cloudy

    • 17
    • 25

    Partly cloudy

    • 20
    • 22

    Partly cloudy

    • 17
    • 24

    Partly cloudy

    • 20
    • 25

    Partly cloudy

Today 18 Apr Yorke Peninsula

Sunny. Winds north to northeasterly 15 to 25 km/h. Daytime maximum temperatures in the mid to high 20s.

Gulf St Vincent Coastal Waters

Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Clear.
Weather Situation
A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts on Sunday morning. The high will move eastwards to be centred southeast of Tasmania later Sunday but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Macs Beach Offshore Temperature Statistics View More

April Temperature

Roseworthy (57km)

  • Lowest 3 April, 2026

    7.8 °C
  • Average April

    17 °C
  • Highest 6 April, 2026

    29.7 °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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