Johanna Beach Weather Forecast

    • 10
    • 12

    Rain

    • 11
    • 14

    Showers

    • 9
    • 14

    Showers increasing

    • 9
    • 13

    Showers. Windy

    • 10
    • 14

    Showers

    • 10
    • 14

    Showers easing

    • 10
    • 14

    Shower or two

Today 9 Aug South West

Cloudy. Very high chance of rain. Winds north to northeasterly 20 to 30 km/h tending east to northeasterly 15 to 20 km/h in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly 10 to 15 knots, reaching up to 20 knots in the east in the late afternoon. Winds becoming variable about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre later in the evening.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 90% chance of rain.
Weather Situation
A low pressure system over South Australia is forecast to move over western Victoria overnight. The low will then slowly move over eastern Bass Strait later Monday morning, while extending a trough over western and central Victoria during Monday afternoon and early evening. A ridge of high pressure will build over Victoria on Tuesday, ahead of a cold front to cross the state early on Wednesday. A high pressure system is expected to build over the Bight on Thursday and extend a ridge across Victoria.
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  • 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

    11.1 °C
  • Highest 2 August, 2026

    16.4 °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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