Semaphore Offshore Weather Forecast

    • 16
    • 19

    Showers

    • 15
    • 18

    Shower or two

    • 14
    • 17

    Shower or two

    • 16
    • 18

    Showers easing

    • 16
    • 18

    Shower or two

    • 14
    • 17

    Partly cloudy

    • 14
    • 17

    Partly cloudy

Today 16 May Adelaide

Partly cloudy. High chance of showers, becoming less likely from the late morning. The chance of a thunderstorm during this afternoon and evening. Winds northerly 15 to 25 km/h tending northwesterly in the middle of the day then becoming light in the early afternoon.

Adelaide Metropolitan Waters

Wind
Northerly 10 to 15 knots, reaching up to 20 knots south of Port Noarlunga during the morning. Winds becoming variable below 10 knots in the middle of the day.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm during this afternoon and evening.
Weather Situation
A strong high pressure system in the Tasman Sea is slowly moving east. A cold front will move east across the Southern Ocean over the weekend, with a second front moving across the south of SA on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Offshore Temperature Statistics View More

May Temperature

Parafield Airport (21km)

  • Lowest 10 May, 2026

    6.2 °C

  • Average May

    16.4 °C

  • Highest 1 May, 2026

    31 °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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