Portland Bay Marina Weather Forecast

    • 6
    • 12

    Showers

    • 7
    • 14

    Showers increasing

    • 9
    • 15

    Showers

    • 9
    • 15

    Showers easing

    • 8
    • 15

    Shower or two

    • 7
    • 14

    Showers

    • 6
    • 13

    Shower or two

Today 23 Jul South West

Partly cloudy. Patchy morning fog in the north. Very high chance of showers in the south, high chance elsewhere. Snow falling above 800 metres. Possible small hail near the coast. Winds westerly 20 to 30 km/h. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching around 10.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres during the afternoon.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Partly cloudy. 95% chance of showers, with possible small hail.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

July Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 19 July, 2026

    3.4 °C

  • Average July

    11.3 °C

  • Highest 1 July, 2026

    17.4 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
Get WillyWeather+ to remove ads