Macs Beach Offshore Weather Forecast

    • 11
    • 15

    Partly cloudy

    • 13
    • 14

    Shower

    • 11
    • 12

    Shower

    • 10
    • 13

    Cloudy

    • 11
    • 13

    Shower

    • 10
    • 13

    Partly cloudy

    • 10
    • 14

    Shower

Today 21 Jul Yorke Peninsula

Partly cloudy. Slight chance of a shower in the south at night. Near zero chance of rain elsewhere. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching around 17.

Gulf St Vincent Coastal Waters

Wind
North to northwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Tasman Sea extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a weak cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Macs Beach Offshore Temperature Statistics View More

July Temperature

Roseworthy (57km)

  • Lowest 16 July, 2026

    0.8 °C

  • Average July

    10.1 °C

  • Highest 9 July, 2026

    18.7 °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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