Port MacDonnell West Boat Ramp Weather Forecast

    • 13
    • 19

    Cloudy

    • 11
    • 17

    Rain

    • 11
    • 20

    Shower

    • 12
    • 18

    Cloudy

    • 12
    • 19

    Shower

    • 11
    • 17

    Cloudy

    • 11
    • 19

    Cloudy

Today 20 Dec Lower South East

Partly cloudy. Slight chance of a shower near the coast later tonight. Near zero chance of rain elsewhere. Winds southerly 15 to 25 km/h becoming light in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 10 to 15 knots turning southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly 1.5 metres, increasing to 1.5 to 2 metres south of Beachport.
Weather
Cloudy.
Weather Situation
A broad trough of low pressure lies over east and northern parts of the State. This area of low pressure is expected to linger over the northeast today before moving east Sunday with the next low pressure system that develops south of the bight. A high pressure ridge then extends over the west and south during Sunday, and throughout by Monday. A persistent high pressure ridge remains over the State and Coastal Waters during Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port MacDonnell West Boat Ramp Temperature Statistics View More

December Temperature

Mount Gambier Airport (35km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    16.3 °C

  • Highest 18 December, 2025

    38.9 °C

Climate (2020–Present)

Mount Gambier Airport (35km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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