Coweelunga Bay Weather Forecast

    • 10
    • 17

    Windy

    • 8
    • 15

    Shower

    • 10
    • 16

    Shower

    • 9
    • 15

    Cloudy

    • 8
    • 16

    Cloudy

    • 8
    • 16

    Cloudy

    • 9
    • 17

    Partly cloudy

Today 19 Sep Mount Lofty Ranges

Partly cloudy. High chance of showers, most likely during this afternoon and evening. Winds west to northwesterly 20 to 30 km/h increasing to 25 to 40 km/h in the morning then increasing to 45 km/h before tending west to southwesterly 25 to 30 km/h during the afternoon and evening. Daytime maximum temperatures between 15 and 19.

Investigator Strait Coastal Waters

Wind
Westerly 20 to 30 knots tending southwesterly in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres around midday.
1st Swell
Westerly 1 to 1.5 metres, increasing to 1 to 2 metres around midday, then tending west to southwesterly 1.5 to 2.5 metres later in the evening.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A cold front will move over SA coasts during Friday afternoon and evening then a southwesterly airstream will follow the front and will persist over the weekend. A high pressure system centred west of Perth will extend a ridge across the north of SA over the weekend then the high will become centred over the Bight early next week and the ridge will move over southern SA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Coweelunga Bay Temperature Statistics View More

September Temperature

Parawa West (Second Valley Forest) (23km)

  • Lowest 5 September, 2025

    5.1 °C

  • Average September

    11 °C

  • Highest 6 September, 2025

    22.9 °C

Climate (2020–Present)

Parawa West (Second Valley Forest) (23km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    17.6 °C
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