Portland Offshore Weather Forecast

    • 8
    • 15

    Cloudy

    • 9
    • 17

    Shower or two

    • 11
    • 18

    Cloudy

    • 9
    • 24

    Partly cloudy

    • 14
    • 20

    Showers easing

    • 11
    • 17

    Shower or two

    • 9
    • 19

    Shower or two

Today 27 Oct South West

Partly cloudy. Slight chance of a shower in the north early this evening. Near zero chance of rain elsewhere. Winds southwesterly 15 to 25 km/h becoming light in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy.
Weather Situation
A cool west to southwesterly airstream persists over the state as a ridge of high pressure extends from south of the Bight over northwestern Victoria. A cold front is expected to clip southern Victoria on Wednesday before the high pressure system crosses southern Victoria on Thursday. A trough developing over South Australia late in the week is expected to move across Victoria on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (9 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    15.1 °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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