Portland Offshore Weather Forecast

    • 9
    • 13

    Rain

    • 10
    • 13

    Rain easing. Wind easing

    • 9
    • 15

    Showers increasing

    • 10
    • 16

    Showers easing

    • 9
    • 17

    Possible shower

    • 8
    • 17

    Mostly sunny

    • 9
    • 17

    Partly cloudy

Today 3 Jun South West

Cloudy. Very high chance of rain in the south, medium chance elsewhere. The chance of a thunderstorm near the coast. Damaging winds possible near the Otways. Winds westerly 25 to 40 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 25 to 40 knots.
Seas
3 metres, increasing to 3 to 4 metres in the east.
1st Swell
West to southwesterly 2 to 4 metres, decreasing to 2 to 3 metres by early evening.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Weather Situation
A low pressure system over northwest Tasmania will track eastwards, moving into the Tasman Sea by Thursday. 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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

June Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 1 June, 2026

    8.8 °C

  • Average June

    11.6 °C

  • Highest 1 June, 2026

    13.4 °C

Climate (2021–Present)

Cape Nelson Lighthouse (9km)

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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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