Portland Offshore Weather Forecast

    • 10
    • 15

    Shower or two

    • 9
    • 14

    Shower or two

    • 8
    • 14

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 10
    • 21

    Mostly sunny

    • 11
    • 23

    Sunny

Today 12 Oct South West

Cloudy. High chance of showers in the east, medium chance elsewhere. The chance of a thunderstorm in the early morning. Winds north to northwesterly 15 to 25 km/h turning westerly 25 to 35 km/h early in the morning. Overnight temperatures falling to around 11 with daytime temperatures reaching around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots increasing to 20 to 25 knots in the middle of the day. Winds reaching up to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Partly cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • 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

    14 °C

  • Highest 8 October, 2026

    25.1 °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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