Semaphore Offshore Weather Forecast

    • 14
    • 19

    Mostly sunny

    • 17
    • 19

    Shower or two

    • 16
    • 17

    Partly cloudy

    • 15
    • 16

    Possible shower

    • 13
    • 16

    Partly cloudy

    • 14
    • 18

    Sunny

    • 17
    • 21

    Partly cloudy

Today 12 Nov Adelaide

Mostly sunny. Light winds becoming west to southwesterly 15 to 20 km/h in the early afternoon then shifting east to southeasterly in the late afternoon.

Adelaide Metropolitan Waters

Wind
Variable below 10 knots becoming southwesterly 10 to 15 knots in the middle of the day then turning south to southeasterly in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure lies over water south of the Bight and will weaken this evening. A low pressure system over Western Australian will move over South Australia on Friday, with an associated trough. A ridge of high pressure will follow and persist into early next week. A cold front clips the southeast on Sunday
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

November Temperature

Parafield Airport (21 km)

  • Lowest 7 November, 2026

    8.1 °C

  • Average November

    17.3 °C

  • Highest 9 November, 2026

    27.4 °C

Climate (2021–2026)

Parafield Airport (21 km)

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  • Average Low 2021–2026

    11.3 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    23.7 °C
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