Semaphore Offshore Weather Forecast

    • 11
    • 13

    Shower or two

    • 11
    • 13

    Shower or two

    • 11
    • 15

    Partly cloudy

    • 13
    • 14

    Partly cloudy

    • 12
    • 16

    Possible shower

    • 14
    • 16

    Shower or two

    • 12
    • 15

    Possible shower

Today 31 Aug Adelaide

Cloudy. High chance of showers. Winds northwesterly 15 to 20 km/h tending westerly in the middle of the day then becoming light in the evening.

Adelaide Metropolitan Waters

Wind
West to northwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A high pressure system has been moving slowly eastwards to be over South Australia from today through to Wednesday. A westerly flow will continue for coastal areas of SA on the southern flank of the high pressure system.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

August Temperature

Adelaide Airport (16km)

  • Lowest 19 August, 2025

    4.1 °C

  • Average August

    12.4 °C

  • Highest 11 August, 2025

    21.2 °C

Climate (2020–Present)

Adelaide Airport (16km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    22 °C
Get WillyWeather+ to remove ads