Jetty Rock Weather Forecast

    • 11
    • 23

    Clear

    • 13
    • 22

    Shower

    • 13
    • 19

    Rain

    • 12
    • 18

    Shower

    • 9
    • 18

    Shower

    • 10
    • 17

    Shower

    • 10
    • 18

    Shower

Today 14 May Lower South East

Clear. Winds northeasterly 15 to 20 km/h becoming light in the late afternoon then becoming northeasterly 15 to 20 km/h in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the evening. Winds reaching up to 20 knots south of Port MacDonnell in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Clear.
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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jetty Rock Temperature Statistics View More

May Temperature

Mount Gambier Airport (35km)

  • Lowest 7 May, 2026

    5.5 °C

  • Average May

    13.9 °C

  • Highest 1 May, 2026

    28.5 °C

Climate (2021–Present)

Mount Gambier Airport (35km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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