Semaphore Offshore Weather Forecast

    • 18
    • 22

    Mostly sunny

    • 20
    • 23

    Partly cloudy

    • 20
    • 24

    Mostly sunny

    • 18
    • 20

    Showers

    • 15
    • 17

    Showers

    • 15
    • 17

    Showers

    • 15
    • 18

    Shower or two

Today 29 Apr Adelaide

Mostly sunny. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late afternoon.

Adelaide Metropolitan Waters

Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a trough that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

April Temperature

Parafield Airport (21km)

  • Lowest 15 April, 2026

    7.4 °C

  • Average April

    18 °C

  • Highest 21 April, 2026

    31.4 °C

Climate (2021–Present)

Parafield Airport (21km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    23.6 °C
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