Semaphore Offshore Weather Forecast

    • 22
    • 28

    Partly cloudy

    • 24
    • 29

    Mostly sunny

    • 22
    • 24

    Partly cloudy

    • 18
    • 20

    Partly cloudy

    • 15
    • 22

    Sunny

    • 19
    • 22

    Sunny

    • 19
    • 21

    Mostly sunny

Today 29 Jan Adelaide

Partly cloudy. Winds east to southeasterly 35 to 50 km/h becoming southeasterly 25 to 40 km/h in the morning then decreasing to 20 to 30 km/h in the late evening.

Adelaide Metropolitan Waters

Wind
Southeasterly 15 to 25 knots. Winds may reach up to 30 knots at times.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Grange during the afternoon.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough over northern parts of the SA will drift south again later this week as a high pressure system moves east into the Tasman Sea. The trough is forecast to move to the northeast on Saturday as a strong high pressure system extends a ridge into the Bight, with a south to southeasterly flow developing across the entire state by Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

January Temperature

Parafield Airport (21km)

  • Lowest 11 January, 2026

    10.5 °C

  • Average January

    24.9 °C

  • Highest 26 January, 2026

    45.5 °C

Climate (2021–Present)

Parafield Airport (21km)

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  • Average Low 2021–2026

    11.1 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    23.5 °C
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