Portland Offshore Weather Forecast

    • 10
    • 18

    Rain

    • 10
    • 14

    Rain

    • 8
    • 15

    Shower or two

    • 8
    • 15

    Possible shower

    • 9
    • 17

    Possible shower

    • 10
    • 17

    Cloudy

    • 11
    • 19

    Shower or two

Today 24 Oct South West

Cloudy. Very high chance of rain. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the north. Winds northeast to southeasterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
South to southeasterly 15 to 20 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 95% chance of rain. The chance of a thunderstorm later this evening.
Weather Situation
A low pressure trough over western Victoria will move east on Sunday, reaching central districts during the morning and eastern Victoria during the afternoon before clearing the State at night. A cool to cold west to southwesterly airstream will follow on Monday and Tuesday as a ridge of high pressure extends over northwestern Victoria. A cold front is expected to clip southern Victoria on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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Portland Offshore Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (9 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    15.5 °C

  • Highest 22 October, 2026

    33 °C

Climate (2021–2026)

Cape Nelson Lighthouse (9 km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.7 °C
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