Semaphore Offshore Weather Forecast

    • 10
    • 14

    Sunny

    • 11
    • 14

    Shower or two

    • 10
    • 14

    Partly cloudy

    • 11
    • 15

    Mostly sunny

    • 12
    • 14

    Showers

    • 11
    • 14

    Shower or two

    • 11
    • 15

    Shower or two

Today 18 Jul Adelaide

Mostly sunny. Slight chance of a shower. Winds north to northeasterly 15 to 20 km/h turning northwesterly 15 to 25 km/h during the morning then tending northerly in the late afternoon.

Adelaide Metropolitan Waters

Wind
Northerly about 10 knots increasing to 10 to 15 knots in the early morning. Winds reaching up to 20 knots south of Brighton in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

July Temperature

Adelaide Airport (16km)

  • Lowest 1 July, 2025

    3 °C

  • Average July

    11.9 °C

  • Highest 4 July, 2025

    18.6 °C

Climate (2020–Present)

Adelaide Airport (16km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    22 °C
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