Portland Bay Marina Weather Forecast

    • 10
    • 13

    Showers. Wind easing

    • 9
    • 15

    Showers increasing

    • 10
    • 16

    Showers

    • 9
    • 17

    Partly cloudy

    • 8
    • 16

    Mostly sunny

    • 9
    • 17

    Mostly sunny

    • 12
    • 17

    Showers

Today 4 Jun South West

Cloudy. Very high chance of rain, becoming less likely this evening. The chance of a thunderstorm near the coast during the morning and afternoon. Damaging winds possible near the Otways. Winds westerly 25 to 35 km/h turning southwesterly 25 to 40 km/h during the morning then decreasing to 15 to 25 km/h in the late evening. Daytime maximum temperatures around 11.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 30 knots, reaching up to 35 knots in the east during the morning and early afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 2.5 to 4 metres, tending southerly 3 to 4 metres during the morning, then decreasing to 3 metres later in the evening.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the east this morning.
Weather Situation
A low pressure system over northwest Tasmania will track eastwards, into the Tasman Sea today. A series of troughs will sweep across Victoria with the passage of this low before a weak cold front skims the south on Friday. By the weekend a large high pressure system over SA will extend a ridge over Victoria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

June Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 1 June, 2026

    8.8 °C

  • Average June

    12.1 °C

  • Highest 2 June, 2026

    16.2 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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