Semaphore Offshore Weather Forecast

    • 16
    • 18

    Partly cloudy

    • 17
    • 20

    Cloudy

    • 17
    • 21

    Partly cloudy

    • 19
    • 23

    Partly cloudy

    • 20
    • 24

    Mostly sunny

    • 20
    • 22

    Possible shower

    • 18
    • 20

    Partly cloudy

Today 27 Mar Adelaide

Partly cloudy. Slight chance of a shower about the hills and southern suburbs, near zero chance elsewhere. Winds southerly 20 to 30 km/h.

Adelaide Metropolitan Waters

Wind
Southerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Grange.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the Bight will move slowly eastwards over the weekend to be centred over the Tasman Sea on Monday. A trough is forecast to enter the far west on Tuesday before sliding over southern parts of SA on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

March Temperature

Parafield Airport (21km)

  • Lowest 9 March, 2026

    9.8 °C

  • Average March

    20.4 °C

  • Highest 10 March, 2026

    33.9 °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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