Portland Offshore Weather Forecast

    • 10
    • 16

    Showers

    • 11
    • 15

    Shower or two

    • 8
    • 15

    Cloudy

    • 6
    • 16

    Partly cloudy

    • 8
    • 15

    Showers easing

    • 8
    • 15

    Partly cloudy

    • 5
    • 19

    Mostly sunny

Today 2 Oct South West

Cloudy. Very high chance of showers, most likely in the evening. The chance of a thunderstorm in the late afternoon and evening. Winds south to southeasterly 25 to 35 km/h. Daytime maximum temperatures around 17.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A broad low pressure system will develop across northern Victoria today, establishing an east to southeasterly airflow over coastal waters. This low is expected to be slow moving, drifting into eastern Bass Strait by the early hours of Sunday then moving out to the Tasman Sea by Monday as weak high pressure system extends over the State from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 1 October, 2026

    13.5 °C

  • Average October

    14.5 °C

  • Highest

    –

Climate (2021–2026)

Cape Nelson Lighthouse (9km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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