Semaphore Offshore Weather Forecast

    • 22
    • 25

    Sunny

    • 22
    • 25

    Mostly sunny

    • 17
    • 18

    Cloudy

    • 16
    • 20

    Cloud clearing

    • 16
    • 20

    Sunny

    • 16
    • 20

    Partly cloudy

    • 16
    • 20

    Partly cloudy

Today 8 Jan Adelaide

Sunny. Winds east to southeasterly 20 to 30 km/h tending northwest to southwesterly 15 to 25 km/h in the middle of the day then tending east to southeasterly 15 to 20 km/h in the evening.

Adelaide Metropolitan Waters

Wind
Southeasterly 10 to 15 knots tending southeast to southwesterly in the morning then tending southeasterly in the evening. Winds reaching up to 20 knots south of Brighton in the evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Sunny.
Weather Situation
A low pressure trough across parts of the west and south will remain relatively stationary during Thursday then will move eastwards on Friday as a cold front moves over southern districts. A ridge of high pressure will extend across the south on Saturday following the front and the main high centre will become established over waters south of the Bight on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

January Temperature

Parafield Airport (21km)

  • Lowest 4 January, 2026

    11.3 °C

  • Average January

    24.2 °C

  • Highest 6 January, 2026

    39.2 °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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