Deep Creek Entrance Weather Forecast

    • 9
    • 17

    Showers. Becoming windy

    • 7
    • 15

    Showers increasing

    • 10
    • 15

    Showers

    • 9
    • 14

    Shower or two

    • 8
    • 16

    Possible shower

    • 10
    • 16

    Shower or two

    • 10
    • 17

    Shower or two

Today 19 Sep Mount Gambier

Partly cloudy. Very high chance of showers, most likely from the late morning. Possible small hail at night. The chance of a thunderstorm in the afternoon. Light winds becoming northwesterly 30 to 45 km/h in the morning then tending westerly 25 to 40 km/h in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to northwesterly 15 to 25 knots increasing to 25 to 30 knots in the morning then tending west to southwesterly in the late afternoon. Winds reaching up to 35 knots offshore in the early afternoon.
Seas
Around 1 metre, increasing to 1.5 to 2 metres during the morning, then increasing to 2.5 to 3 metres around midday.
1st Swell
Westerly 2.5 to 3 metres, tending southwesterly 2.5 to 3 metres around midday, then tending westerly 4 to 6 metres during the afternoon.
Weather
Partly cloudy. 90% chance of showers, with possible small hail south of Beachport in the evening. The chance of a thunderstorm south of Beachport in the afternoon.
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  • Temperature Forecast Bureau of Meteorology

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Deep Creek Entrance Temperature Statistics View More

September Temperature

Mount Gambier Airport (33km)

  • Lowest 5 September, 2025

    -0.2 °C

  • Average September

    11.3 °C

  • Highest 15 September, 2025

    25.2 °C

Climate (2020–Present)

Mount Gambier Airport (33km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.7 °C

  • Average High 2020–2025

    20 °C
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