Johanna Beach Weather Forecast

    • 8
    • 14

    Partly cloudy

    • 10
    • 16

    Shower or two

    • 11
    • 14

    Showers easing

    • 10
    • 13

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Shower or two

    • 9
    • 14

    Shower or two

Today 23 Aug South West

Cloudy. Patchy morning fog. Light winds becoming northwesterly 15 to 25 km/h in the morning then tending northerly 15 to 20 km/h in the evening. Daytime maximum temperatures around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots in the east in the early afternoon. Winds turning northerly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres later in the evening.
Weather
Cloudy.
Weather Situation
A ridge of high pressure over northern parts of the State will remain throughout the weekend as a cold front passes well to the south in a broad westerly flow. The ridge will weaken and move over the Tasman Sea on Monday and a low pressure system and associated trough will approach from the west, moving quickly over the north of the State on Tuesday and out of the Tasman on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johanna Beach Temperature Statistics View More

August Temperature

Cape Otway (15km)

  • Lowest 1 August, 2026

    6.4 °C

  • Average August

    11.7 °C

  • Highest 18 August, 2026

    17 °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

    17.5 °C
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