Johanna Beach Weather Forecast

    • 12
    • 17

    Shower or two. Becoming windy

    • 13
    • 17

    Shower or two. Windy

    • 12
    • 16

    Shower or two

    • 12
    • 17

    Cloudy

    • 12
    • 19

    Mostly sunny

    • 13
    • 24

    Sunny

    • 15
    • 25

    Mostly sunny

Today 23 Dec South West

Cloudy. Medium chance of showers near the Otways, slight chance elsewhere. Winds west to southwesterly 20 to 30 km/h. Daytime maximum temperatures between 19 and 22.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 25 knots tending westerly 15 to 25 knots in the morning. Winds reaching up to 30 knots in the evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 2 to 2.5 metres, increasing to 2.5 to 4 metres during the morning.
Weather
Cloudy.
Weather Situation
A weak cold front will sweep through the eastern coastal fringes early this morning. Behind this, a ridge of high pressure re-develops and persists across Victoria this week, with the high pressure centre expected to slowly move through Bass Strait from Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johanna Beach Temperature Statistics View More

December Temperature

Cape Otway (15km)

  • Lowest 1 December, 2025

    9.1 °C

  • Average December

    15.5 °C

  • Highest 18 December, 2025

    29.9 °C

Climate (2020–Present)

Cape Otway (15km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.2 °C

  • Average High 2020–2025

    17.3 °C
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