Semaphore Offshore Weather Forecast

    • 19
    • 22

    Shower or two

    • 17
    • 19

    Possible early shower

    • 16
    • 22

    Showers

    • 20
    • 21

    Showers

    • 17
    • 18

    Shower or two

    • 16
    • 17

    Shower or two

    • 16
    • 18

    Cloudy

Today 6 Apr Adelaide

Partly cloudy. Medium chance of showers, most likely later this evening. Winds westerly 15 to 25 km/h turning southwesterly in the evening.

Adelaide Metropolitan Waters

Wind
Northwest to southwesterly 10 to 15 knots tending southwesterly in the late afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A cold front will pass over the southeast overnight followed by a high-pressure system building south of the state on Tuesday. The high will then move east on Wednesday allowing a vigorous cold front to move over South Australia Thursday afternoon. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

April Temperature

Parafield Airport (21km)

  • Lowest 2 April, 2026

    10.5 °C

  • Average April

    19.3 °C

  • Highest 4 April, 2026

    27.4 °C

Climate (2021–Present)

Parafield Airport (21km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    23.5 °C
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