Johanna Beach Weather Forecast

    • 9
    • 13

    Cloudy

    • 8
    • 18

    Mostly sunny

    • 13
    • 19

    Sunny

    • 14
    • 21

    Shower or two. Windy

    • 10
    • 13

    Cloudy

    • 9
    • 13

    Partly cloudy

    • 9
    • 17

    Partly cloudy

Today 17 Sep South West

Cloudy. The chance of fog in the west in the early morning. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to southwesterly 10 to 15 knots tending west to northwesterly during the afternoon and evening. Winds reaching up to 20 knots in the far east during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far east around midday.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres around midday.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johanna Beach Temperature Statistics View More

September Temperature

Cape Otway (15km)

  • Lowest 8 September, 2026

    5.8 °C

  • Average September

    12.6 °C

  • Highest 13 September, 2026

    24.6 °C

Climate (2021–2026)

Cape Otway (15km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.4 °C
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